Olive Hill Adult Learning Center and Library
Session 2008-048

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Transcript

Connected on 2008-07-25 09:00:00 from Olive Hill, KY, US

• 8:17 am
• Bugscope Teamgud
• 8:24 am
• Bugscope Team1.8
• 8:40 am

• Bugscope TeamHello! Welcome to Bugscope!

• Bugscope TeamWe are working on the presets.
• 8:46 am
• Bugscope TeamYou're getting a preview...

• Teacheryes
• Bugscope TeamWhen we do presets we have another window open and might be slow to answer. But things are moving along.

• Bugscope TeamAs soon as the presets are done we will unlock the session and you will be able to drive
• Teacherok
• 8:52 am

• 8:57 am
• Bugscope Teamwe got a slow start this morning because one of the samples was kind of juicy and took awhile to pump down -- everything is in a vacuum here

• Bugscope Teamalright! we are done setting up and have unlocked the 'scope
• Bugscope Teamplease feel free to drvie, try things out, look around, ask questions...
• Bugscope Teamthat would be 'drive'

• Bugscope Teamthere are ocelli seen here
• Bugscope Teamwhich are simple eyes
• Bugscope Team(the ocelli are the bumps in the corner)
• Teacherthank you
• Bugscope Teamthere are three ocelli, singular ocellus
• Bugscope Teamthey help the flying insect, in this case a fruit fly, navigate
• 9:02 am
• Bugscope Teamthe compound eyes -- we see one to the right here -- have hundreds of facets called ommatidia
• Bugscope Teamsometimes we will see a compound eye that has cracked open, and in some of those cases we see that the inside of the eye appears to be crystalline; those are really individual lenses
• Bugscope Teamlet us know if you need help driving or if you are having any trouble
• Teacherokay we are starting now
• Bugscope Teamgreat!
• Bugscope Teamyou can choose from among the presets, but you can also drive wherever you would like
• Bugscope Teamyou are controlling a scanning electron microscope. it puts a finely focussed beam of electrons across the sample, wherever you choose to look, and the beam travels repeatedly across the area we see
• 9:08 am
• Bugscope Teamthe electron beam 'scans' across the sample and makes what are then called secondary electrons come from the surface

• Bugscope Teamthey are captured using a secondary electron detector (surprise?), and the signal from that detector is what we are looking at
• Bugscope Teamthis is a fruit fly haltere
• Teacherleg?
• Bugscope Teamthere may also be a leg in the image
• Bugscope Teamabove the haltere
• Bugscope Teamit is an evolved set of wings which beat opposite the pair of wings of the fly
• Bugscope TeamA haltere is a reduced hind wing
• Bugscope Teamdoh!
• Bugscope Teamthe haltere is a modified, over eons, hindwing
• Bugscope Teamgiving stability acting as a gyroscope
• Bugscope Teamas Cate and Annie said

• Bugscope Teamusually we see the spiracle next to the haltere very clearly, but this one was occluded for some reason
• Bugscope Teamthis is kind of an old fruit fly we had

• Bugscope Teamthis is an odd-looking claw on a strange little hopper like insect I found at my house
• 9:13 am
• Teacherin the grasshopper family?

• Bugscope Teamcute little guy

• Bugscope Teamthis is one of our favorite things to find
• Bugscope Teamsome mites here on the earwig
• Bugscope Teama tiny colony of mites on the body of the earwig
• Bugscope Teammites can usually be found on earwigs (pincer bugs)

• Bugscope Teamleafhoppers are Cicadellidae, and grasshoppers are Orthoptera

• Bugscope Teamthe mites are blind, and they stay with the earwig

• Bugscope Teamsometimes we see them on Annie's kind of insects -- the longhorned beetles

• 9:19 am
• Teacherdo they eat from the host ?
• Bugscope TeamNo one really knows what the mites do. They do not seem to harm the host insect. Most entomologists think that the mites feed on dirt and oils on the hosts body...so in a way they may actually benefit the host.
• Bugscope Teamthe head is tucked in where we can't see it

• Bugscope Teamthis is the claw from a shriveled baby praying mantis

• Bugscope Teamthere is another mantis on the stub that looks better

• Bugscope Teamsad, huh

• Bugscope Teamhere if you try click to center you could move to the left, if you want
• Bugscope Teamthe samples we are imaging are coated with several nanometers of gold-palladium to make them conductive
• Teacherhow long will we have access to the site?
  Bugscope Teamyou will be able to get to your session page anytime you want, as scot says-- "forever"
• 9:25 am
• Bugscope Teamthe images you collect and the chat will be up 'forever'
• Bugscope Teamit should be available forever on the web
• Bugscope Teamyour session page is at: http://bugscope.beckman.uiuc.edu/members/2008-048/
• Teacherwe are only in 20 min sessions and want to have access later, thank you so much they have loved it!!
• Teachercan we stay on and look more to have more info saved?
• Bugscope TeamOh... Yes please stay on and collect images.
• Bugscope Teamwe have 'til 11 your time

• Bugscope Teamthat is a much better looking head
• Teacherawesome!
• 9:31 am

• Teacheris this the mouth?
• Bugscope TeamI think here we are at the tip of the abdomen
• Bugscope Teamusually we mount critters so the head is to the north, although we didn't do that with the spider today

• TeacherThat is good to know--I am going to try to use your site with my middle school students this fall!

• 9:36 am

• Bugscope Teamjust re-apply -- now you know how to do it
• Bugscope Teameasy...
• TeacherI will-this was relatively painless:)

• Teacherantennaes at the top?
• Bugscope Teamlonghorned beetle!!!
• Bugscope Teamyay
• Teacherused to sense things??
• Bugscope Teamattenuated antennae in this case
• 9:41 am
• Teacherwhich means...
• Bugscope Teamthey were so long Cate had to cut them shorter
• Bugscope Teamto fit on the stub
• Bugscope Teamshe left a full antenna next to the beetle, to the right

• Bugscope Teama lot of insects seem to use their antennae at least as much as their eyes to gather information from their surroundings

• Bugscope Teamsome ants don't even bother to have eyes

• TeacherCool
• Bugscope TeamLonghorned beetles are so named because they have extremely long antenna proportional to their bodies. They use their antenna to sense sound, to smell, to taste--and to fight and push with.
• Bugscope Teamand some of the ants that do have eyes are nearly blind

• Bugscope TeamOne longhorned beetle can sting with its antennae
• Bugscope TeamAnnie is this a typical Cerambycid head? Like do you recognize it right away?

• Bugscope Teamyup

• Bugscope Teamthey have been finding Emerald Ash Borers down around here now
• Bugscope TeamReally?!
• Bugscope TeamThat is bad.
• Bugscope Teamyeah they are closing in on us
• Teacherwhat is the average life span of insects or do they vary greatly?
  Bugscope Teamthe lifespan of insects varies greatly. it can be anywhere from a day to a year or two
• Bugscope TeamI will catch as many as I can for bugscope
• Bugscope Teamwe could say that it varies
• Bugscope Teamoften one season is average?
• 9:47 am
• Bugscope Teami think 1 season is average
• Teacherdo you have any samples of a cicada? The kids would really be interested in that
• Bugscope TeamSome insects will live one year (season), some insects have multiple generations in a single season, some insects live for many many years, such as periodical cicadas

• Bugscope Teamwe rarely look at cicadas because they are so big
• Bugscope Teamthe stub the samples are mounted on is 1.75 inches in diameter
• TeacherHow much larger is the average cicadas compared to an average mantis
• Bugscope Teambut sometimes we get small cicadas, or we will look only at parts of them
• 9:52 am
• Bugscope TeamThe best specimens for Bugscope are small insects and arthropods. With a larger specimen, like a cicada or a full grown mantis you can really only see a parts---which is cool, but seems to be hard to understand when taken out of context
• Bugscope Teamit seems like an average cicada is at least 1.5 inches long, but wide; and an adult mantis will be much longer but less wide, of course
• Bugscope TeamA full grown mantis is 3-4 inches long, depending on the species
• Bugscope TeamSome are larger (full grown adult female Chinese mantises can be 5-6 inches long)
• Bugscope Teamwhoa
• Bugscope Teamwhen I was in Okinawa we had them perched on the side of the house all of the time, and they would watch you as you walked in the door
• Teachercreepy
• Bugscope Teamthey would tily their heads like inquisitive dogs do sometimes
• Bugscope Teamyeah they have those little pinpoints in their eyes
• Bugscope Teamtilt
• Bugscope Teamlook like little aliens
• Bugscope Teamtheir heads
• Bugscope TeamMy friend swore that she was being stalked by a mantis once...this is a friend that is terrified of insects
• Bugscope Teamwhen they can fly as well it can be frightening
• Teacherare any of you afraid of insects?
• Bugscope TeamI like them better this way...
• Bugscope TeamI guess I am afraid of millipedes
• Bugscope Teami'm ok as long as they are dead...
• Bugscope Teamafter you do this for awhile you get used to them -- you know what they look like up close
• Bugscope TeamI am not afraid of insects...I don't like the ones that sting or bite or give me a rash, but I wouldn't say I am afraid of them.
• 9:57 am
• Bugscope TeamI wish we had a horsefly so we could show you their slashing mouthparts
• Bugscope TeamI don't like to pick up the ones that have been running around in rotten meat or dung
• Teacherdo you guys have any advice for searching for poisonous bugs
• Bugscope TeamI am afraid of millipedes even after they are dead...
• Bugscope TeamAnnie might.
• Bugscope TeamScott, I will see if I can get a horse fly for you all...they come to me
• Bugscope Teamthe thing about black widow spiders, for example, is that they seem to be territorial, and they will stay in one place in your house, like under the fridge
• Bugscope TeamWell, there are not very many bugs that are overly poisonous. There are caterpillars that have stinging hairs and beetles that will spray a burning chemical on you. And then there are stinging insects like wasps and bees.
• Bugscope Teama lot of insects have defenses not against people in particular but against ants
• Bugscope TeamThere are many insects that would be poisonous to you if you ate a bunch of them, like monarch butterflies and ladybugs....but you wouldn't want to eat them any way.
• Teacheris eating other insects like chocolate covered ants (it happens) actually dangerous
  Bugscope TeamI think you could probably eat lots of ants and not get sick.
• Bugscope TeamExcept in individuals with several allergies, most insect stings or bites hurt for a while, but they won't cause death.
• Bugscope Teamsome aphids have a sticky sap-like exudate that hardens after it gets into the air, and it will harden onto an ant, for example
• Bugscope Teamgood protein
• 10:03 am
• Bugscope TeamEven if you ate a bunch of poisonous insects you would just throw up, not die.
• Bugscope Teamwe see bacteria on insects but usually it does not proliferate until after they die
• Bugscope Teamhorned toads have a formic acid requirement in their diets and need to eat ants
• Bugscope TeamThe Chumash Indians used to flavor their food with dried ants.
• Bugscope TeamMarti do you want to drive around a little more?
• Teacherno thank you the kids loved it
• Bugscope TeamGreat!