Hardin County High School
Session 2011-108

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Transcript

Connected on 2012-01-17 12:30:00 from Hardin, Tennessee, United States

• 11:38 am
• Bugscope Teamwaiting on vacuum to pump down
• 11:48 am
• Bugscope Teammaking presets now

• 11:54 am

• 12:00 pm

• 12:05 pm

• 12:11 pm

• Bugscope TeamHello Mrs Young!
• Bugscope Teamlet us know if you have any questions
• Bugscope Teamwe are set up for today's Bugscope session
• 12:16 pm
• Bugscope Teamthis is the compound eye of a tiny ant
• Bugscope TeamMrs Young can you see this?
• 12:23 pm
• Guestyes, Sorry I was trying to adjust my screen
• GuestI have a class of 2nd graders here with me
• Bugscope Teamlet us know when you have questions; we are waiting for today's school to connect, from Tennessee.

• GuestWe will, Thank you

• Bugscope Teamin the meantime we will drive around a bit for you
• Bugscope Teamthese are the ant's mandibles -- its jaws
• Bugscope Teamthey open from side to side like a gate, not the way our jaws open, up and down

• Bugscope Teamand they have lots of tiny hairs on them, called 'setae' (see-tee).
• 12:28 pm
• Bugscope Teammany of the larger setae are touch sensitive, like cat or rat whiskers

• Bugscope Teamsee the compound eye with all of the individual lenses? they're called 'ommatidia.'
• 12:34 pm
• Bugscope Teamthe tiny pore is called an 'anterior tentorial pit,' and it is an extension of the cuticle -- the exoskeleton -- that reaches inside of the head.
• Bugscope TeamI'm not sure, do you know scot? They are very tiny and they don't have very big heads so I am pretty sure they aren't leafcutters
• GuestWe would like to know what type of ant this is
  Bugscope Teamit's a tiny black ant from Texas, from San Antonio, but I don't think it is a fire ant. It came from my brother's house. I am sorry I don't know what kind it is.

• 12:40 pm
• Bugscope Teamour class has not logged in yet...
• Bugscope Teamwe just moved to a new insect for you to look at. have you ever seen one of these before? they're very small

• Bugscope Teamcan you see the antennae?
• Bugscope Teamit has a conical head

• Guestso cool (class reaction)
• Bugscope Teamlet's go look at one of the antennae

• Bugscope Teamsee what's under the antenna?
• Bugscope Teamremember the bumpy compound eye of the ant?

• Guestyes

• Bugscope Teamthis is a leafhopper, and it has compound eyes as well, made of tiny facets
• Bugscope Teamits compound eyes are streamlined into the shape of its conical head, and we are looking at one now, beneath the antenna

• Bugscope Teamthis is where the antenna fits into the head

• 12:45 pm
• Bugscope Teamand now we're looking over the antenna, which is in the foreground, to the compound eye

• Bugscope Teamthe individual facets of the compound eye are called ommatidia, and they have something on them
• Bugscope Teamnow we're a little bit closer
• Bugscope Teamyou can start to see the little round things that are on the ommatidia
• Bugscope Teamlots of little balls that are called brochosomes all over this leafhopper
• Bugscope Teamthe brochosomes are very tiny
• Guestwhat
• Bugscope Teamthey are smaller than bacteria
• Guestqhzt do they do?
  Bugscope Teamthey are thought to keep their eggs from being too dry
• Bugscope Teamleafhoppers are said to be the only insects that produce brochosomes, although we sometimes find them on insects that have bumped into them
• Bugscope Teamleafhoppers spread them on their bodies, on purpose
• 12:50 pm
• Bugscope Teamthey look like little whiffle balls, and they are on the nanoscale, smaller than millimeters, or micrometers; they are usually about 450 nanometers in diameter
• Bugscope Teamthis is the leafhopper's proboscis -- the extension of its mouth
• Bugscope Teamit has a sharp tip that penetrates leaves so the leafhopper can drink the liquid from them
• Bugscope Teamlet's go llook at one of the claws
• Bugscope Teamthis is the tip of one of the leafhopper's six legs, where its claws are
• Bugscope Teamthey are kind of hard to see...
• Bugscope Teamleafhoppers are a type of true bug, which is a type of insect that have a proboscis they use to drink either plant sap or insect blood from. Cicadas are also a true bug
• Bugscope Teamwow
• 12:56 pm
• Bugscope Teamlook what we found at the end of the legs!

• Guestmore bacteria
• GuestQuestion- What kind of plant do they"drink"
  Bugscope Teamthey are found on lots of different plants -- they are plant pests
• Bugscope Teamguess where we are now...
• Bugscope Teamthese are the fangs of a small spider
• Bugscope Teamnow you can see it better
• Bugscope Teamit'
• Bugscope Teamoops
• Bugscope Teamits eyes are on the other side of its head so we cannot see them
• Bugscope Teamthese are spinnerets, which produce web, at the tip of the abdomen, which is what the big round part of the spider is called
• 1:02 pm

• Bugscope Teamthis is a flying aphid, which is also a plant pest

• Bugscope Teamsee this little trapdoor?
• Bugscope Teamit has lots of scales in it, from a moth that came out of it
• Bugscope Teamthis is a Mexican jumping bean
• Bugscope Teamit won't be jumping any more because the moth has hatched
• 1:08 pm
• Bugscope Teamthis is one of the moth's scales
• Bugscope Teamup way close
• Bugscope Teamscales get color from pigment granules, which aren't here, and structural forms
• Bugscope Teamdo you have any questions so far?
• Bugscope Teamthe structures in a scale will refract the light differently, giving us certain colors

• Bugscope Teamthis is a cricket palp, which is a mouthpart that can taste or move around food. Here are the 'taste buds'
• 1:15 pm

• Bugscope Teamthis is a stinger belonging to a cicada killer wasp. It is a HUGE stinger, but it would have to be to go after cicadas
• Bugscope TeamMrs Young are you still with us?
• Bugscope Teamwe're going to shut down
• Bugscope TeamThank you!
• GuestWe had a fire drill!
• Guestthank you all!
• Bugscope TeamOh wow!
• Bugscope TeamThank You for joining us today!
• Bugscope Teamhttp://bugscope.beckman.illinois.edu/members/2011-108
• GuestWe loved it! My school will be logged in again on the 24th
• Bugscope TeamCool! See you then!
• 1:21 pm
• Bugscope TeamBye!
• Guestbye