Hales Corners Lutheran Middle School
Session 2011-100

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Transcript

Connected on 2011-11-21 09:45:00 from Milwaukee, Wisconsin, United States

• 9:09 am
• Bugscope Teamsample is being coated right now and will be here soon
• Bugscope Teamand sample is now in 'scope and pumping down
• 9:20 am
• Bugscope Teamgood morning, MYP
• Guestgood morning
• Bugscope Teamour school today connects in 25 minutes, so I will be racing a bit to get the presets done
• Bugscope Teamright now I'm waiting for the vacuum, which is close to being ready
• Guestok
• Bugscope Teamtoday's school sent us a praying mantis, and I added a few other critters
• Guestcool!
• Bugscope Teamso that's the deal today -- be prepared to answer Q's about praying mantises
• GuestOK!
• Guestwooah
• GuestThat looks cool!
• 9:27 am

• 9:32 am

• 9:38 am

• 9:43 am

• Bugscope TeamGood Morning, Mrs Horn!
• Bugscope TeamWelcome to Bugscope!
• TeacherHi there !

• Bugscope Teamwe are still making presets but are ready when you are

• Bugscope Teamplease let us know when you would like to drive, and whenever you have questions
• Bugscope Teamthe praying mantis you sent is right in the middle

• 9:48 am
• Teacheri still have kids coming in to class - they were dismissed late :(
• Bugscope Teamgood for us -- we can find a few more cool things to look at

• TeacherWe are almost there.....
  Bugscope TeamSweet!
• TeacherThe majority of us are logged on - what are we looking at?
• 9:53 am
• Bugscope Teamthe praying mantis head is so large we cannot see it all at once

• Bugscope Teamnow we can see one of its compound eyes
• Guestcool
• Guestidk

• Studentwhat is that dot on the eye
  Bugscope Teamif you go up close I think you will find it is some kind of dirt

• Guestdirt

• Studentwhat is the like grey pattern like lines that we see

• StudentOh thats makes more sense thanks

• Bugscope TeamNow we can see the individual ommatidia.
• Guestthat is one big mantis
• StudentWow!!
• StudentThat's cool!
• Student:D
• Studentabout how many lenses are there
  Bugscope Teamthere are said to be as many as 10,000 ommatidia -- the individual lenses -- per eye
• Studentwhat kind of microscope do you use? to see this

• StudentWhat is ommitidia?
  Bugscope Teamthe facets of the eye, what we think of as lenses, are called ommatidia. singular is ommatidium
• Studentwhat kind of microscope do you use? to see this
  Bugscope Teamthis is a scanning electron microscope

• Teachertrying to get down to mouthparts
• Studentcool
• StudentCan it show up in color?
• Studenthow far can it magnifi

• GuestNICE!

• Studenthow many people are in your lab right now
• Studentcan it show in color or jus black and white
• 9:58 am
• Studentwhats is this µm
  Bugscope Teamthat stands for micrometer, which we also call a 'micron,' -- it's a thousandth of a millimeter, or a millionth of a meter

• Studentthis is really cool

• Studentsorry can it show in color
  Bugscope Teamwe are looking at the insects using electrons, and the images come back as signal, in black and white, called also grayscale, so there is no color
• Studentoh that's OK so it's like the v-rays you get when you brake a leg right
  Bugscope Teamyes in a way that is correct
• Studentso cool

• Studentit's like an x ray right
  Bugscope Teamthis kind of imaging actually produces x-rays, and we can use those x-rays to tell us what elements the sample is compose of

• GuestHE'S WATCHING YOU!
• StudentThe mouth
• Studentnow what are we seeing
  Bugscope Teamthis is the mouth of the praying mantis
• Studentit would be cool to do this every day
  Bugscope Teamit is really fun
• Studentwhats the thing on the nose
  Bugscope Teamthere is some dirt there
• Studentdo you have to where special clothes in the lab?
• Bugscope Teamthe mouthparts are kind of confusing

• Studentwould this work on a persons hand
  Bugscope Teamit would have to be inside the vacuum chamber, and very dry
• Studentoh ok
• Studentdo you have to where special clothes in the lab
• StudentCool
• StudentBryan asked before if you do the lab with anyone else?
  Bugscope Teamsorry not to have caught that -- there are other people in the lab who train people to use other types of microscopes
• Studentwhy are there 10 legs on a Caterpillar but 6 on a butterfly
• Guestwhy is there ten legs on a Caterpillar but only six on a butterfly?

• Studentdo you have to where special clothes in the lab
• Studentare there scales on the mantis
  Bugscope Teamonly from other insects it has eaten
• Studentlike this praying mantis, there is a lot of dirt on it, but how do they get it off of themselves or do they just leave it?
• Studenthow do you clean the microscope

• Studentcoooooool
• Teacherso could you tell me about the homoptera/hemiptera orders? I read that they were joining homoptera with hemiptera
  Bugscope TeamMrs Horn I did not know that -- I am sure there will be some controversy.
• Studentdo you have to where special clothes in the lab
• Studenthow long is it
• Studentdoes it have a Tongue??
  Bugscope Teamnot like a bee -- I have never seen one

• Studentwhy is there 10 legs on a caterpillar but only 6 on a butterfly
• 10:03 am
• Studenthow do you clean the microscope

• StudentDo bugs have scales
  Bugscope Teambutterflies, moths, mosquitoes, silverfish, and very few other insects have scales
• Studentdo you have to where special clothes in the la
  Bugscope Teamsometimes we wear labcoats if we are working with chemicals
• Studentthere are 17 people in our class

• Studentdid you have a bug project in colage
  Bugscope TeamI took a class on bugs in college, but I have learned more since then doing this
• Studento
• StudentWe did this bug project where we had to find 10 bugs and classify there orders and one that I found was a cicada. I saw that you have not heard about the homoptera/hemiptera orders but on some of the websites I found, it could be either. Do you know which?
• StudentCan Bugs get pimples
• Studentwhere are all the other people or what are they doing
  Bugscope Teamthey're training people or working on other equipment themselves

• Studentdo you have live bug there to
• Studentwhat are we looking at
• Studenthow do you clean the microscope
  Bugscope Teamwith air, with ethanol; sometimes parts have to be soaked in ethanol or another solvent
• Studentwhy are there 10 legs on a Caterpillar but only 6 on a butterfly????????
• Studentwhat
• StudentSo r u still in college or r u like a professor or something
  Bugscope TeamI run the Microscopy Suite here at the Beckman Institute. I have a degree in English and Biology
• StudentIs this one of the leg appendages?
• Studentwhat what is ethanol
• Studentwhat are we looking at
• StudentHow long on average do bugs live
  Bugscope Teamfrom days to sometimes years. probably the average is 6 weeks
• Studentwhere did you go to get your degree
• Studentwhy are some insects fuzzy
• StudentDoes it have hairs on its body
  Bugscope Teamyes they do -- we are supposed to call them 'setae'
• Studenthow long is it
  Bugscope Teamthis was more than 10 cm long
• Guestwhy are there 10 legs on a caterpillar but 6 on a butterfly?
• StudentCan bugs get hair
  Bugscope Teamthe setae (hairs) are sensory, for touch, smell, and hot/cold
• Studentcan they harm people
• Studentwhat what is ethanol
  Bugscope Teamalcohol with two carbons
• StudentCan bugs get pimples

• Studentwhy are there 10 legs on a Caterpillar but 6 only on a butterfly
• StudentIs 10 cm really big or average?
  Bugscope TeamI think it's average for a praying mantis in this climate
• Studentwhat is this
• 10:08 am
• GuestWHAT IS THAT?
• Studentwhat are those black things
• Studentwhy are some insects fuzzy
• StudentLike this praying mantis, there is a lot of dirt on it, but how do they get it off of them? Or do they just leave it?
  Bugscope Teammany insects have projections on their limbs that help them wipe dirt off of themselves and their antennae
• Studentwhat what is ethanol
• Student where did you go to get your degree
  Bugscope TeamUniversity of Kansas, finally in 1983
• Studentwhat are the black dot on the wing
• Studentwhy are some insects fuzzy
• Studentoh
• StudentDo bugs creep you out sometimes?
• Studentwhat what is ethanol
• GuestWHAT IS THE BLACK SPOTS
  Bugscope Teamthose are holes in this scale, from a Monarch butterfly
• StudentWhy are there holes with things in them
• Studentwhat what is ethanol

• Studenthow long is it
  Bugscope Teamthis is about 100 microns, about a 10th of a millimeter

• Studentwhat what is ethanol
  Bugscope Teamit is a liquid that is purified alcohol; beer, for example is often 3% or 5 or 6% ethanol
• Studentare these scales

• Studentit looks like shingles
• Studentit looks like teeth
• Studentwhat are the black dots on the wings
• Studentdid you like science
• Studenthow are the wings connected
  Bugscope Teamthere are flexible wing joints
• StudentWhat are the lines/ holes
  Bugscope Teamthe lines and holes are the latticework of the scale, which is very much like a feather
• Studentwhy are there so many little holes on these?
  Bugscope Teamthe holes make the scale that much lighter
• Guesthow do they fly with all the holes in the wings
  Bugscope Teamthose holes are super small, so it is not a problem

• Studentwhat is the most interesting but you have come across
  Bugscope TeamI like ticks, weevils, leafhoppers...

• Studentwhats a weevils
• StudentHow old is this Butterfly?
  Bugscope Teamit was probably about 2 or 3 months old

• Studentnevermind
• StudentIn what order does a cicada belong?
• Studentwhat is this
  Bugscope Teamthis is a silverfish, and I accidentally mounted its head down
• StudentWhy does it have like hair
• Guestwhat is this

• Studentits fine'
• 10:13 am
• Studentcan all bugs live without wings?
  Bugscope Teammany can. I am not sure we could say that all can, since some have to fly to be able to mate
• StudentIs it an insect
  Bugscope Teamyes it is
• StudentDo these eat other insects
• TeacherI think it's great to see the underside of it
  Bugscope Teamyou can see the scales, which make it look silver to us.
• Studentwhy do they call it a silverfish
• StudentWow!!!!!!
• Studentwhats a weevils
  Bugscope Teamit is sometimes called a 'snout beetle,' and they are often plant or grain pests

• Studentsweet
• Studentwhere do you find a weevils

• Studentoh cool
• StudentInteresting!
• StudentHow come there are so many scales on it?
• StudentWhy is it feathery
• StudentY is a ''silverFISH'' a insect
  Bugscope Teamprobably its name reflects ;) that it looks kind of like a fish, with that silver color
• StudentI meant to say y is a the silverfish the neame of an insect?
  Bugscope Teamjust one of those things...
• StudentWhat order does a cicada belong to?
• Studentcool
• Studentdo all hairs do different things with different insects

• Studentdo the hairs sense wind
• Studentdo all hairs do different things with different insects
• StudentWOW!!!!

• StudentITS BODY IS FEATHERY, RIGHT
• Guestwhat do the hairs do?
  Bugscope Teamhairs are mechanosensory, like cat or rat whiskers; chemosensory, so the insect can use them to pick up scents in the air; and also thermosensory, for sensing hot and cold

• Studentwhoa what was that?

• Studentit almost looks fake.......... gross
• Guesthow long have you had this moth, it looks dirty

• Studentwow

• StudentDo moths pollenate
• Studentdo all hairs do different things with different insects
  Bugscope Teamyes they have different purposes, but sometimes they are the same, depending...
• Studenthow many lenses are there here?
• Studentwhats chemosensory

• Studentdo they get cofused with all the lenses
• Studentwhats the difference between these hairs are mechanosensory, like cat or rat whiskers; chemosensory, so the insect can use them to pick up scents in the air; and also thermosensory, for sensing hot and cold

• Studento
• StudentWhy is it so feathery/ what do they do
  Bugscope Teamthe scales actually help insect escape from spider webs -- the scales come off so easily, as you know from stroking a butterfly's wings
• Studentso how do lady buts and flys stick on walls

• StudentWas this model made after a golfball
• Studentwhats the difference between these hairs are mechanosensory, like cat or rat whiskers; chemosensory, so the insect can use them to pick up scents in the air; and also thermosensory, for sensing hot and cold
• Studentcool
• 10:19 am

• Studenthi
• StudentIt's crazy to think that this is an eye! It looks like a bee hive! Awesome vocabulary!
  Bugscope Teamthey help insects process motion, like something coming to smack them, very quickly, and the shape also means that they have very good peripheral vision
• Studentwhats the difference between these hairs are mechanosensory, like cat or rat whiskers; chemosensory, so the insect can use them to pick up scents in the air; and also thermosensory, for sensing hot and cold
• Studenthow long does it take them to learn to fly with those eyes
• Guestcan you only look at bugs with this
• StudentWould the bug get confused with all the eyes pointing in differnet ways
• Studentwhats the difference between these hairs are mechanosensory, like cat or rat whiskers; chemosensory, so the insect can use them to pick up scents in the air; and also thermosensory, for sensing hot and cold
• Studentis its head like a owls head
• Studenthow many lenses are there
• Studentdo you think it looks an owl
• Studento
• Studentwhats the difference between these hairs are mechanosensory, like cat or rat whiskers; chemosensory, so the insect can use them to pick up scents in the air; and also thermosensory, for sensing hot and cold
  Bugscope Teamsometimes we cannot tell, exactly

• Studenthow does it eat

• StudentI learned that they have hairs on there back to escape and sense danger, but do there eyes help to?
• Student:)

• Student:D
• Studentwow
• Studentit looks like dirt

• Studentit looks like saw dust
• Studentwhat is a caddisfly larva
• Studentwhat is this one?
• Studentdoes it have a nose
  Bugscope Teammost insects do not have what we would think of as a nose -- they sense smell with their setae, and they breathe through spiracles, which are pores connected to tracheae on the inside
• Studenthow do you know what end of a centipede or millipede it the front
• Studenthow do you know what end of a centipede or millipede it the front
• Studentwhat is a caddisfly larva
• StudentCool vocabulary!!

• Studentis this its skin
  Bugscope Teamthey don't really have skin -- they have an exoskeleton, which is why they need to have sensory hairs that stick through the exoskeleton, which is like a shell
• Studentwhat is this
• Studentthey look like teeth or something
• StudentDo they use it like a crab
• Student0
• StudentDo centipedes and millipedes have eyes/ears
  Bugscope Teamthey have eyes, and for ears they use setae that sense vibration, which is what sound is.
• Studentis that a broken claw
• Studentis this a claw
• Studentit looks like venus fly trap is it similer
• GuestWHAT IS THIS
  Bugscope Teamthese are the raptorial limbs of the praying mantis -- what it uses to grab and secure its prey
• Studentis there a broken claw?
• Studentwhat is a caddisfly larva
• Studenthow do you know what end of a centipede or millipede it the fron
  Bugscope Teamyou can tell when you get up close; you can see the eyes, and the antennae, and the fangs on a centipede
• Studentis that a broken claw
  Bugscope Teamyes it is
• StudentDo the compound eyes gave people the idea of a golfball design
• Studentit looks like a venus fly trap
• Studentwhat do these do
• Teacherplease don't reply to michael
• 10:24 am
• Studentwhat is a caddisfly larva
  Bugscope Teamit is the aquatic stage of the caddisfly; it lives in streams
• Teacheror ewert
• Studentplease reply to garrett
• Studentcool
• Studentis it a claw
• Teacherjust kiddin
  Bugscope TeamI am sorry I cannot keep up with everyone today
• StudentI know
• Studentwhat is that little spot?
  Bugscope Teamthere is a flake of dirt or something there
• Studenthow is the claw broken?
• Teacheri know we have a lot of questions for you - you are doing a great job!
• Studentdon't worry were a big class
• Studenthow long have you been doing this
  Bugscope Teambugscope is about 13 years old, and I helped start it
• Studentthis was fun
• Studentthank you
• Studentwow
• TeacherWe need to go - believe it or not - time flies....
• GuestTHANKS!
• StudentCan they grow the claw back
  Bugscope Teamonly if they were going to molt, and once they have wings they are adults and do not molt
• Studenthow long did it take to build it
• StudentThanks
• StudentThanks
• Guesti thought we were only supose to be talking about science? "MRS.HORN"
• Guestthank you for your time it was really cool
• Guestthx
• StudentTHANK YOU!!(:]
• Studentthank you
• Studentwhat order does a cicada belong to?
  Bugscope Teamthey are hemipterans
• Studentbud am bu ch
• StudentThank you
• GuestbYE SJ!
• Studentthank you so much I had so much fun I have to go now TTFN TTYL
• StudentThat is really cool! Thanks for all your hard work and trying to keep us with our questions! It was great! I wish I could do it again! Go BugScope! Thanks Again:)
• Bugscope TeamThank You All!
• StudentTHANK YOU!!!!!!!!!!!!
• GuestbYE
• Bugscope TeamBye!
• GuestTHANK YOU!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
• Bugscope TeamThank You, Jamie!
• Teacherwe will be back this afternoon
  Bugscope Teamgreat! see you then!
• Studentcool! THANK YOU!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! this was SOOOOOOOOOO fun!!!!!!!!!!!!!!!!
  Bugscope Teamsweet
• StudentTHAT WAS AWESOME! THANKS
  Bugscope TeamThank you, Bryan
• Bugscope TeamThank you to everyone, and I am sorry -- I know I missed a lot of Q's.
• Bugscope Teamwe will have the same sample this afternoon, but I will try to find more presets, change things a bit
• 10:29 am
• Bugscope Teamalright -- over and out for now
• 1:15 pm

• Bugscope Teamwe are back and setting up new presets for this afternoon
• 1:20 pm

• Guesthi
• Bugscope TeamHello Again!
• GuestWhat are you doing?
• Bugscope TeamI'm making new presets, I guess as you can read below...

• Guesta new group coming in?
  Bugscope Teamyes from 2 to 2:45
• Guestcool!
• Bugscope Teamso we have a little while; it's like 1:20 here

• 1:25 pm

• Guestok

• Bugscope Teamwill you be able to stay on for that?
• 1:30 pm
• GuestI won't.
• GuestOur school has a session later on though! :D
• Bugscope Teamtotally cool
• GuestIn june though. A long time from here.
• Bugscope Teamha well I expect you'll be once or twice ;) before then

• Guestyeah. some people are going to be on as RMS, MYP, or RMSMYP, or something like that.
• Bugscope Teamlike I'm on as sj, SEM, Scot, and Scott
• Guestyeah.

• Bugscope TeamCate will be back to help around Dec. 5
• GuestGetting used to the controls
  Bugscope Teamyeah you shouldn't have any problem
• 1:36 pm

• GuestI have been to like 3 now
• Bugscope Teamwe have usually two per week
• Guestyeah. I've notticed
• Bugscope Teamthis preset didn't stick last time

• Guest?
• Bugscope Teamwhen we make presets, sometimes they don't get entered properly, so they end up acting like bad links
• Guestoh.
• Bugscope Teamthis is a worthless bee -- it's covered with some kind of film and you cannot recognize it. this morning I thought it was missing its head.
• 1:41 pm
• Guestthanks for the explination
  Bugscope Teamit should be straightforward -- all we're doing is typing a name and hitting 'enter,' but sometimes they just don't work
• Guestlol

• 1:46 pm

• Bugscope TeamJapanese beetle flashing gang signs...

• 1:53 pm
• Guestnice

• Bugscope Teamthese are always interesting to me
• Guestthey look soooooooooooooooooo cool!
  Bugscope TeamI agree.

• 1:58 pm
• Guestwoah! what is that?
  Bugscope Teamit's the larval form of a caddisfly -- they're predators in streams
• Bugscope Teamthey're also good indicators of the quality of the water in a stream.
• Bugscope Teamthey're more creepy and impressive if you see one head-on
• Bugscope Teamwe are ready!
• 2:04 pm
• Bugscope TeamGood afternoon, Mrs Horn!
• Bugscope TeamI redid the presets, so they will be a little different than this morning.
• TeacherHey there- getting ready to go in just a minute
  Bugscope Teamtotally cool
• Bugscope TeamHello Everyone!
• Bugscope TeamPlease let us know when you have questions!
• Guestthis is really cool
• Bugscope Teamthis is one of the forelegs of the praying mantis -- they call them 'raptorial legs'
• 2:09 pm

• Guestwhat are the spikes on their legs?

• GuestCan those pointy things on their "hands" hurt you?
  Bugscope Teamthey might sting a bit, but it's likely the praying mantis is more scared of you
• GuestWhat do they use their legs/hands w/ pinches for?
• Guestwhy is it called raptorial legs?
  Bugscope Teamraptorial means 'predatory,' i.e., that it feeds on other insects; and with insects raptorial often refers to the grasping legs
• GuestWhat exactly is a praying mantise? I've never seen one before
  Bugscope Teamthey are long skinny insects that have very good eyes and those frightening grasping arms
• GuestWhy does a praying mantis "pray"?
  Bugscope Teamit's because it looks kind of devout, like it might be praying
• Teacherhow do you think the leg barb was missing
  Bugscope Teammaybe when it caught something large!
• TeacherI'm having problems controlling the microscope - do I have control of it?
  Bugscope Teamyou should have control. can you try a preset?
• Guestwhat insects does it feed on?
  Bugscope Teamalmost anything smaller than it

• GuestNever mind about my can it kill you question
• GuestCan a praying mantise kill you?
  Bugscope Teamno I'm pretty sure they cannot really hurt you

• Guestdo they have sharp teeth
  Bugscope Teamthey have sharp piercing mandibles, but we cannot see them well here

• Guesthow bog do they grow to be and do they go through complete or incomplete metamorphasis
• GuestDo they live in the Water?

• 2:14 pm

• GuestWhat kind of eye does this insect have?
• Guest How big is the head in real life without a mircoscope?
  Bugscope Teamit's maybe a half centimeter across
• GuestWhat are the lumps on the eye?
• Guestwhat is the black dot?
  Bugscope Teamit's a place where the electrons are not coming back out of the sample -- it may be a grease spot or something
• Guestis the praying mantis's eye conpuond
• Guesthow many lenses does it have?
  Bugscope TeamI read that they can have 10,000 per compound eye
• GuestHow big are they usually?
  Bugscope Teamthey can be 5 inches long in the Tropics
• GuestWhat are the puffed up spots on the eyes?
  Bugscope Teamthe hexagons, if that is what you mean, are the ommatidia -- the individual eye facets
• Guestwhat are the bumps on its eyes
  Bugscope Teamsome of that is dirt, Krista, and Courtney
• Guestwhat are those crumbly things by the eye?\
  Bugscope Teamit's mostly dirt

• Bugscope Teamthis part of the eye is collapsed
• Guestwhat eats a praying mantis
  Bugscope Teamprobably birds, bats, rats if they can
• 2:19 pm
• Guestwhat the bumps on his eyess
  Bugscope Teamsome of the bumpy appearance was damage to the eye

• GuestSo would a praying mantis eat another praying mantis?

• GuestWhat are the little hairs for?
• GuestWhy does it not show color on the picture?
  Bugscope Teamwe are collecting these images using high-energy electrons, and when they hit the sample, secondary electrons, which are super small, come back from the surface. we collect those secondary electrons as grayscale -- black and white -- signal
• Guestare his claws sharp
• Guestis that dirt
  Bugscope Teamsome of it is dirt and some is probably dried saliva

• Guestis that fur?
  Bugscope Teamit's a lot of tiny hairs, called 'setae,' that help the insect feel and taste its food
• Guesthow many teeth does a praying mantis have
  Bugscope Teamthey don't really have teeth, but they have two power mandibles that cut into their prey

• Guestwhats that?
  Bugscope Teamthat last thing was a yellowjacket almost completely covered with some kind of film

• Guestwhat is under the bug
  Bugscope Teamdoublestick carbon tape

• Guesthow big are the eyes?
• GuestCan the fruit fly see all around it's body?
• Guestwhats the hairs on his head
• Bugscope Teamwhen we collect images using electrons, we get much more detail than we would if we were using light
• Guestpointy**
• 2:24 pm
• Guestwhat are those popinty thingies?
  Bugscope Teamthose are bristles (also called setae) that help the fly sense when something is touching it, or the wind is blowing on it. the long ones help it sense the position of its head

• Guestwhy do bugs have hair
• Guesthow many lenses does it have on its eyes?
  Bugscope Teamprobably 4 or 500 per eye

• Guestare the eyes the largest part of its body
• Guestwhats in the backround
  Bugscope Teamsome of that is silver paint, and the pockmarked areas are bubbles in the carbon tape
• Guesthow big is it
• Guestis that hair
  Bugscope Teamit's kind of like hair

• Guestwhat is that
• Guestwhat are those openings?
• Guestcooooooooooool
• Bugscope Teaminsects do not have skin like we do -- they have an exoskeleton, which is like if you were wearing armor. so the setae stick through to help the insect sense its environment
• Guesthow long are the wings normally
  Bugscope Teamthey are different according to species but can be as long as the insect -- 3 or 4 inches, sometimes longer
• Guestwhat are these holes?
  Bugscope Teamthose are spaces in the scales that make them lighter
• Guestwhat are the lines
  Bugscope Teamthose are ridges that refract light in what are called structural colors
• Teachersorry *entomology
• Guesthow much food do flies eat in a day\
• GuestDo all insects have hair on them? Is it like skin?
  Bugscope Teamthe hair is what helps them feel things, so it acts like nerve endings but can sense smell as well
• Teacherare those tiny holes on the scales?
  Bugscope Teamyes they are!
• Guestthis is kinda cool
• GuestIf those are hole in the wing how big are they?
  Bugscope Teamthey are small -- like about the size of bacteria
• GuestDo they have to same insides as us humans, like stomach, lungs, ect.?
  Bugscope Teamthey are comparable but in a way more primitive
• Guestwhy do they need holes in the wings
  Bugscope Teamit makes them lighter -- the scales are comparable to feathers

• 2:29 pm
• Teacherwhy were you interested in entemology
  Bugscope Teamit is fascinating, another way of living

• Guestwierd

• Guesthow big are the holes in the scales?
  Bugscope Teamjust a few microns, or micrometers

• Guestwhy is it so flakey
• Guestif there are holes in the wings how do they fly
  Bugscope Teamthey are so small they do not make any difference, and also -- they are stacked on top of each other, so they don't really leak much air
• Guestit looks all furry why?

• Guesthow do male moths attract females
  Bugscope Teamusually it is the other way around -- the females produce pheromones, which are chemical attractants, like perfume to the males
• GuestDo all insects live a certain amount of time? How long does a praying mantis live?
  Bugscope Teamusually insects live 6 weeks to several months
• Teacherhaving a hard time getting moth head to focus - can you help get us there/
  Bugscope TeamI'll go to the 'scope and fix it.
• Guestwhy are the antennae feathered?
• Teacherwe were trying to get to the feathered antennae
  Bugscope Teamthere you go
• Teacherperfect! thanks!
• 2:35 pm
• Guestwhy is it so feathery
  Bugscope Teamthe scales actually protect butterflies, moths, mosquitoes, and silverfish from spiderwebs; the scales come off so easily that they can stick to the web while the insect slips out
• Guesthow do male moths attract females
  Bugscope Teamthey do have cool-looking antennae, and sometimes cool patterns on their wings

• Guestwhat does the hairs do to help
  Bugscope Teamsome are mechanosensory -- touch sensitive; some are chemosensory, meaning the insect call smell chemical odors with them; some are thermosensory, meaning they can sense hot/cold.

• Guestwhy is the body so hairy and the head not as much
• GuestHow big do Japaneses beetles get?
  Bugscope Teamonly about a centimeter long

• Guestwhat is that?
• GuestIt looks like it has the little hairs in its mouth
• Guesthow do insects digest things
• Bugscope TeamSicily the microscope has a vacuum chamber where the samples are, and there is an electron beam that enters that chamber and scans across the specimens, which are coated by us with super thin metal films
• GuestDo insects have tongues?
• Guesthow do male moths attract females

• Guestwhy are you interested in insects?
  Bugscope Teamthey are really more and more interesting -- they have to do the things we do. eat and protect themselves and reproduce. but they have a different way of doing it, many different ways
• 2:40 pm
• Guestwhat r those
  Bugscope Teamtjhose are tenent setae -- they are the sticky setae that help the fly walk on the ceiling, for example
• Guest?
• Teacherhow long did you have to study for entomology
  Bugscope TeamI took one class long ago. I am an electron microscopist. But I ask the entomologists questions whenever they come in. and I read up on some of this.
• Teacherhow do male moths attract female moths
  Bugscope TeamI am not sure if males produce pheromones -- usually it is the females who produce the pheromones that attract the males
• Guestbye thx!!!!!!!!!!!!!!!!!!!!!!!!1
• GuestOk! thank you very much!
• Guestwhat do they eat?
  Bugscope Teamnectar, the sugary liquid from flowers
• TeacherOur time has quickly gone too fast - thanks again!
  Bugscope TeamHomoptera are now a suborder within Hemiptera...
• Bugscope TeamThank You!
• Bugscope Teamhttp://bugscope.beckman.illinois.edu/members/2011-100
• Teacheroh - when did that happen?
  Bugscope Teamapparently someone wrote an influential paper in 1995 in which both DNA and morphology were used to show that Homoptera should be classified within Hemiptera.
• 2:45 pm
• TeacherOK - I didn't know that - my notes need to change :) Thanks so much
• Bugscope Teamso it has been going on for a while, but it was probably noted more by entomologists
• Bugscope Teamyou will find that I simplified my answer just now, a bit
• Bugscope TeamThank You to everyone! Your member page url is copied below. But it is easy to find on the Bugscope web site.