Connected on 2013-01-22 10:00:00
from Cook, Illinois, United States
- 8:59 am
- Bugscope Teamwe are making the presets for today's Bugscope session, which starts at 10 central time.
- 9:07 am
- 9:13 am
- 9:19 am
- 9:25 am
- Bugscope Teamhello John!
- GuestHello, just taking a quick look around. We make a video for our teachers each week with interesting curricular websites
- Bugscope Teamsuper cool. let me know when you have questions, or email me if you would like: sjrobin@illinois.edu
- Guestthanks
- GuestI may pop back in to capture some video for the feature.
- 9:30 am
- Bugscope Teamhere you can see brochosomes from a leafhopper on the mosquito's proboscis
- Bugscope Teamthey're nanoparticles, 250 to 400 nm in diameter
- 9:37 am
- Bugscope TeamHello Mrs Pappas!
- Bugscope TeamWelcome to Bugscope!
- TeacherHello! I'm here with Dr. Clishem (Tony). He's going to help with this session since I've never done this before.
- 9:42 am
- Bugscope Teamsuper cool
- Bugscope TeamHello Tony!
- GuestHello!
- GuestUpgrades!
Bugscope Teamhaha
- TeacherHi guys. We are going to have 45 students sharing 23 laptops.
- Bugscope Teamsounds good!
- Bugscope TeamCate and I are about ready, on this end. She's recording the presets and will be up in the her office for the session.
- GuestIt's been awhile since I've joined in a session. On your end, is there new staff?
- 9:47 am
- Bugscope Teamright now it's just me (Scot, sj, SEM) and Cate. It is possible Joe will log in from Entomology.
- TeacherJust curious... Have you ever had a Skype session with students?
Bugscope Teamno way dude
- Bugscope TeamI don't know how that would work.
- Bugscope Teamwe would rather have the students see what is in the 'scope
- 9:53 am
- Bugscope Teamwe are ready to roll if you would like to try out the controls
- Bugscope TeamMrs Pappas is the Supreme Ruler
- Bugscope Teamplease let us know if you have any problems, and when you have questions
- Bugscope Teamhello Rebecca!
- Teacherwe are trying to log in to the session from all of the laptops
- Bugscope Teamyou should be able to log in as Student, and a password will not be required
- Bugscope Teamsometimes the Student designation is not available, for some reason, and it is necessary to log students in as guests
- 9:59 am
- Bugscope Teamlet us know if you need help with that as well
- 10:05 am
- TeacherWe're starting now
Bugscope Teamawesome!
- Bugscope Teamthese are the antennae of this interesting looking armored wasp
- Bugscope Teamhello Dylan and Jacob!
- Bugscope TeamWelcome to Bugscope!
- Bugscope Teamhello!
- Bugscope Teamwhoa Hello Dennis, Ali, Eric, Emily, Sonia, Dylan...
- Bugscope TeamNick, Mikala, Bobby, Isabela, Adrian, Sean...
- 10:10 am
- Bugscope TeamPhilip and Nayeli
- Bugscope Teamplease let us know when you have questions about what you're seeing, or anything else
- Bugscope TeamWeston, Isabella...
- Studentare the eyeballs on the side?
Bugscope Teamyes they are! those are compound eyes, with many ommatidia -- the individual facets
- Bugscope Teamfruit flies like this have setae in between the eye facets
- Bugscope Teamthose setae are supposed to convey information about wind speed and direction
- TeacherWhat are those little hairs we see?
Bugscope Teamthey are setae, which are insect hairs. These particular kinds of setae are helpful in telling the fly the direction of the air currents
- 10:15 am
- Bugscope Teamflying insects almost always have more complex-appearing eyes than insects that do not fly. some large wasps can have as many as 17,000 ommatidia per eye
- TeacherWhat are the setae made of?
Bugscope Teamthey are made of chitin, like the exoskeleton
- Bugscope Teamchitin is similar to what our fingernails are made of
- Bugscope Teamcompound eyes allow insects to see more of what is around them at one time -- that is, they have very good peripheral vision
- StudentWhy are there so many sections
Bugscope Teamthose are all individual facets of the compound eye. We call the facets ommatidia.
- Bugscope Teamalso, with so many facets (the ommatidia), they update quickly and thus help the insects register motion much more quickly that they could with eyes like ours
- TeacherHow many facets are on the fruitfly eye?
Bugscope Teamprobably several hundred per eye; we are not sure
- Bugscope Teamyou can see that this ant has a compound eye as well, and she also has ocelli on the top of her head
- Bugscope Teamthree tiny bumps on top of her head
- Bugscope Teamants are related to bees and wasps
- Bugscope Teammany ants do not have nearly as many ommatidia in their eyes
- Studentis the eyeball in the center of the ant
Bugscope Teamyes! You can see they are a bit smaller than the fruitfly's
- 10:20 am
- Bugscope Teamsometimes you can easily count them -- for example there could be 12 to 20
- Bugscope Teamsome ants do not have eyes at all.
- StudentAre there setae on the top of the ant?
Bugscope Teamyes there are!
- Bugscope Teaminsects and similar arthropods have setae sticking through the cuticle -- the exoskeleton -- to help them sense their environment
- TeacherWhy is there a split in the middle of the face with antennae coming out?
Bugscope Teamthat is a groove that holds the antenna, where the ball and socket joint is
- Studentwhat do the antennae do?
Bugscope Teamthey read chemical signals from other ants
- StudentWhy do you cover the insects with gold.
Bugscope Teamwe want them to be conductive, so we coat them with an alloy of gold and palladium using a sputter coater; they have about 20 nm of Au/Pd on them
- StudentCan some ants fly?
Bugscope Teamthe male ants fly, and the queens can fly for a while; most ants are female and do not fly
- 10:25 am
- Studenthow long do you think an ant could live up too?
Bugscope Teamsome could likely live for a year or so in the right environment
- StudentWhy are there antenae
Bugscope Teamwhen they spend so much time underground, they rely more on their antenna instead of their eyes on getting around and communicating
- Studentwhat are the layers on the antennae?
Bugscope Teamthe antenna is segmented so it can fold and also so it can be pointed in any direction the ant wants
- TeacherDo you use gold powder to prepare the specimen? What is that like?
Bugscope Teamwe use a machine that makes a plasma of the gold-palladium, which is basically a nano-sized rain onto the sample. It is kind of cool
- TeacherCould you please give Adrian the control of the microscope?
Bugscope Teamadrian has control!
- Studentthank you scotj
Bugscope Teamsure!
- StudentThanks scot
- Bugscope Teamhere we see the ball and socket joint, but there is dried fluid covering some of it
- Studentit is not taking my commands
Bugscope TeamAdrian has control now.
- Bugscope Teamif you look at the righthand screen, the person with a star in front of his or her name has control
- StudentWhy do ants have six legs?
- Studentwhat are the lines on ants head
- Studentdoes an ant have ears?
Bugscope Teamno. they can sense sound using their mechanosensory setae
- Studentwhat are the long hairs on the right
- 10:30 am
- StudentCan they hear?
Bugscope Teamyes they can -- sound is vibration in the air
- Studentwhat are those things that look like little scales or hairs?
- Studentdo ants tast with there feet like butterflys
Bugscope TeamI don't think they have chemosensory setae on their feet, but there are many species, and some could
- Studenthow many legs do ants have
Bugscope Teaminsects all have six legs, a head, a thorax, an abdomen, and two antennae; so ants have six legs
- TeacherPLEASE RETURN CONTROLS TO MS. PAPPAS .
- Studenthow strong are ants
- Studentthank you scot
- Studentj
- StudentWhy does an ants body look like it is in 3 different parts?
Bugscope Teamthere is the head, the thorax, and the abdomen, with other smaller parts we don't see as clearly
- Studenthow do they taste
Bugscope TeamAnts use the antennae, and also palps around their mouth to taste. A lot of times you'll see them touching/wiping their antennae with their front legs, that's their way of grooming themselves, cleaning their antennae.
- Studenthow strong are ants
Bugscope Teamants can lift 20 times their weight
- Studentdo they have teeth
Bugscope Teamthey do have teeth the way we do, but their mandibles -- their jaws -- may have minerals in them that harden them
- 10:35 am
- TeacherIs this what the mosquito uses to sting you with?
Bugscope Teamthe sharp part -- the fascicle -- is inside that shaft
- StudentDo ants have 5 senses like humans?
Bugscope Teamthey do have the senses we do. They can hear, smell/taste, feel, and see. There are some ants that don't have eyes so they can't see. None of their senses work quite the same way as our senses do
- Bugscope Teamthe fascicle has four cutting parts -- the stylets, or lancets, and it has a siphon tube that the blood goes into and saliva comes out of, and it has another part of unknown (to me) purpose.
- Studenthow many bones do mosquitos have?
Bugscope Teamthey have an exoskeleton -- their skeleton is on the outside -- so they do not have bones
- Studenthow big could ants get
Bugscope Teamants can be very large. army ants can be up to 4cm long.
- Studentthnk you
- Bugscope Teaminsects and similar arthropods are invertebrates, which means they do not have a backbone. but really they do not have bones at all
- StudentWhat are those potato chip looking things
Bugscope Teamthose are scales
- TeacherHow does the claw help the fly?
Bugscope Teamthe claws function kind of like tiny hands
Bugscope Teamclaws help the insects hold onto things
- Bugscope Teamscales are modified setae as well, and they are found on butterflies, moths, mosquitoes, and silverfish, plus few other odd insects
- TeacherHow do flies reproduce?
Bugscope Teamthey breed and then lay fertilized eggs, sometimes in dung
- 10:42 am
- Studentwhich is bigger the cricket claw or the fly claw
- TeacherHow are flies able to stick to and climb up the side of a wall?
Bugscope Teamthey have tenent setae, which are featured in some of the presets; the tenent setae are attached to the pulvillus, and there is at least one (it is like a pad full of Velcro) on each arm or attached to each claw
- Studentis it true that the bigger the cricket is the more noise makes?
- StudentWhy does the cricket claw only have two sections?
Bugscope Teamone thing we see right away it that it does not have a pulvillus, like a fly, and it cannot stick to ceilings or walls nearly as easily
- Studentwhats your favorite color
Bugscope Teamdark blue
- StudentHow many claws does a fly have?
Bugscope Team6 pairs. one pair for each leg.
- StudentHow long are the hairs on the claws?
Bugscope Teamit really depends; if we go close again let's look at the scalebar on the lower left and compare
- Studentthank you joe
- Studenthow long are the claws
Bugscope Teamusually depends on the specimen. not too long
- Studentwhy does the head look like a thumb
Bugscope TeamI think it is just a coincidence here
- StudentHow smart are they
Bugscope Teamthey do not seem to be smart as much as following a kind of program; the program is affected by chemical odors in many cases
Bugscope Teamas smart as they are hungry?
Bugscope Teamhaha Like me.
- Studenthow big is a wasps brain
Bugscope Teamit is very small; with flying insects much of the brain seems to be devoted to visual processing
- StudentWhat are those long things coming out of its head?
Bugscope Teamthose were the antennae, I believe
- Studentis this the wing of a wasp
Bugscope Teamyes it is just out of focus
- Studentwhat is the wing made out of?
Bugscope Teamit is made of chitin like the exoskeleton
- 10:47 am
- Studentok thank you sem
- Studenthow many eyes do they have
Bugscope Teamnumber of eyes depends on the insect species. most have 2 compound eyes, which give them low resolution vision, and also anywhere from 0-3 simple eyes, which detect light and dark, and so act more as quick motion sensors.
- Studentis that blood
- Bugscope Teamthis stinger is also spiral and unfortunately we see that it has some dried fluid on it
- Studentis that the stinger
Bugscope Teamyes that's the stinger
- Bugscope Teamnow we can see that it is more than a millimeter long
- Bugscope Teamthis is a long stinger -- you can tell somewhat when you compare it to the scalebar on the left
Bugscope TeamThe wasp's stingers are modified ovipositors (a tube for depositing eggs). Since only the queen has to lay eggs, the female workers have evolved to associate the ovipositor with poison glands instead.
- Studentthx...
- Studenthow long is the stinger
Bugscope Teamlooks like it is about a millimeter
- StudentTHANK YOU
- Studentthank you
- StudentThanks brah
- Studentthank you!!!
- Studentt
- StudentThank you!
- StudentThank you!!!
- StudentTHANK YOU!!!!!!!
- Student:)
- StudentTHANK YOU!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- Studentthank you
- Bugscope Team500 microns is the same as 500 micrometers, which is a half a millimeter
- Studentthank you!!!!!!!!!!!!
- StudentTHANK YOU!
- StudentThank you!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- Studentthanks so much
- Bugscope TeamThank you, Everyone!
- Studentthank you @(-_-)@ monkey
- Bugscope Teamthank you. I hope you all had fun!
- Bugscope TeamThanks!
- StudentThanks Brah
Bugscope Teamhaha Thank you, Nayeli!
- Studentthank you bro
Bugscope TeamThank you, Nick!
- StudentThank you for leting us use the microscope hope you have a good day bye
- StudentTHANKS i love you
Bugscope Teamsweet
- Studentbye
Bugscope TeamBye!
- 10:54 am
- GuestThanks everyone . . . It was good to be able to do this again with you.
