Connected on 2015-02-05 18:30:00 from Alameda County, California, United States
- Teacher just getting ready for class :) will start chat after 4:30 pm
- Bugscope Team cool please let me know if you get a chance if you can control the 'scope
- Bugscope Team I can't tell if I have the control setting activated correctly.
- Teacher I can try now :)
Bugscope Team k please just try one of the presets
- Teacher going fo rthe ant
- Teacher clikced on ANT
- Teacher clicked
- Bugscope Team try now
Bugscope Team got it
- Teacher works
- Bugscope Team the settings are for some reason, after years, hard to figure out in this one place
- Bugscope Team Thank you!
- Bugscope Team back in like 4 minutes
- Bugscope Team k I am back
- Teacher introducing the plan and the scope...
- Bugscope Team sweet
- Bugscope Team this is a rolypoly, which is actually a crustacean
- Bugscope Team Hi Kim!
- Guest Hello!
Bugscope Team please let us know when you have questions for us
- Bugscope Team Hi!
- Teacher Here we go...
- Bugscope Team yay!
- Bugscope Team this is a closeup of an ant's mandibles
- Bugscope Team the ant is facing the right
- Bugscope Team the mandibles (jaws) are serrated to help them cut things
- Bugscope Team and you can see a bunch of sensory setae on the mandibles that let the ant know when something is touching it there
- Bugscope Team now we can see her compound eyes
- Bugscope Team and her antennae
- Bugscope Team the background is doublestick carbon tape
- Bugscope Team most ants are females that we see
- Bugscope Team setae are the things that resemble hairs
- Bugscope Team all the workers are female
- Teacher how do we know it is female? What are setae?
- Bugscope Team setae are important to insects, which do not have skin
- Bugscope Team male reproductives can sometimes look drastically different than their female counterparts.
- Bugscope Team instead of having skin and an internal skeleton with bones like we do, insects have an exoskeleton, like a shell, or like armor
- Bugscope Team they do not have bones either
- Bugscope Team see where the wing halves are laced together?
- Guest In what way do they look different?
Bugscope Team often they have wings
Bugscope Team they will have a smaller head and longer antennae
- Bugscope Team bees and wasps have four wings -- two on each side
- Bugscope Team when they are not flying their wings fold nicely so they can get into small spaces
- Bugscope Team but when they fly they hook the fore- and hindwings together on each side
- Bugscope Team this is the bee's head; it looks like it has giant buck teeth, but those are parts of the labrum, which covers and protects the glossa, which is what the tongue is called
- Bugscope Team you can see the right compound eye on the left
- Teacher hi. we are a group of students looking at the bee. what position is it in?
Bugscope Team looks like you're looking at the bee lying on its side
Bugscope Team the eye there is on the upper left, and the tube above that is the antenna
Bugscope Team the thing below the head is one of its legs (the bottom left of the image)
Bugscope Team the smooth part of the background is silver paint Cate put on to help ground the bee
- Teacher what are the hair filaments called and used for?
Bugscope Team they're called setae, and in bees they may be branched; they are often mechanosensory; in this case they may also help with thermoregulation
- Bugscope Team this is cool
- Bugscope Team this is a pair of wings on one side
- Bugscope Team now just one wing -- the tiny spines are microsetae
- Bugscope Team the blackened places are where liquids, like some kind of goo, are stuck to the wing
- Teacher what do the microsetae do? what is its purpose?
Bugscope Team microsetae are super small hairs that do not have a sensory function; in this case one of the things they do is prevent the wings, when they are wet, from sticking to a flat surface
- Teacher hello we are a new group
Bugscope Team hello!
- Bugscope Team spider head
- Bugscope Team see the eyes? the spider is facing the right
- Bugscope Team the head and thorax in spiders are fused into a cephalothorax, which is hardened
- Teacher are the eyes connected?
Bugscope Team yes some of the eyes are connected
- Bugscope Team the abdomen, in spiders, is not hardened, and it usually shrivels up when it dries
- Bugscope Team this is probably a female spider, judging from seeing a narrow palp in front of its head
- Teacher how many body sections do spiders have?
Bugscope Team a cephalothorax, an abdomen, eight legs, and two palps, or pedipalps
- Bugscope Team they also have two chelicers, or chelicerae, which is what the jaw-like elements are
- Bugscope Team at the (perfect timing!) tip of the chelicers we see the fangs
- Guest Does the spider have setae? since he has eight eyes does he need the extras sensory function?
Bugscope Team yup, spiders also have lots of sensory hairs (setae), they are there since they won't be able to sense things they can't see otherwise, or even sense themselves
- Bugscope Team when Cate made this sample for us she broke some of the legs away so we could see the face
- Bugscope Team those were plumose setae near the spinnerettes
- Bugscope Team these a stiffer less cool looking setae on a leg
- Bugscope Team oops I killed my browser
- Bugscope Team lost all of the chat, going to the other computer
- Teacher are the legs kind of similar to crab legs?
Bugscope Team I'
Bugscope Team the legs are not that much like crustacean legs; one thing spiders can do with their legs is autotomize them, which means they can make them drop off if they sense venom moving into them
- Teacher we were asking about the parts of the legs
Bugscope Team thank you
- Teacher how many parts to the legs?
Bugscope Team 8?
Bugscope Team coxa, trochanter, femur, patella, tibia, tarsus, and claws
Bugscope Team man i hope i didn't miss anything
Bugscope Team so they have one tarsus, or tarsomere, compared to insects?
Bugscope Team i want to say one. but i'm not super familiar with spider morphology
- Bugscope Team lot of dirt on the cephalothorax
- Bugscope Team sometimes spiders see quite well but usually not, I think; the sensory setae are thus very important
- Bugscope Team these are ommatidia, the individual facets of the compound eye
- Teacher why are the legs attached to the cephalorax and not the abdomen in a spider?
Bugscope Team the abdomen is soft, not much support; but insect limbs are attached to the thorax as well
- Bugscope Team this the where the spinnerettes are
- Bugscope Team the spinnerettes are turned in toward each other as a result of drying after death
- Teacher I'm assuming they have stomachs? If so where would it be?
Bugscope Team the abdomen
- Teacher what are hamuli?
Bugscope Team they hook the wings together so that the wing beats are in sync
- Bugscope Team spiders inject venom into their prey that dissolves the prey's internal organs, and they then suck it all out like a milkshake
- Bugscope Team oh wow, this is a really good shot of the hamuli
Bugscope Team haha Yeah I was stoked
- Bugscope Team clips
- Bugscope Team you can see the specimen stub inside the vacuum chamber
- Bugscope Team it is off to one side now
- Teacher what is a wing clip? what does it do?
Bugscope Team the hamuli are the little clips that hold the fore- and hindwings together when a bee or wasp flies
- Teacher Is this ant missing a leg?
Bugscope Team yes it is!
- Teacher I knew it!
- Bugscope Team it is maybe hard to tell, but the ants are super tiny and it is tricky to handle them
- Bugscope Team sometimes we put ethanol on a small paintbrush and use that to pick up tiny ants like those
- Teacher What is covering the setae? Pollen? water?
Bugscope Team it's mostly just dust; if we found pollen we would show you
- Bugscope Team that ball-like thing is pollen
- Bugscope Team under the branched setae
- Teacher Also, why do insect eyes look like metal? (metallic)
Bugscope Team the shape and the orientation of each facet with respect to the others does that
- Teacher Do bees have hair or setae on their eye?
Bugscope Team yes
Bugscope Team we call the hair setae, and they are often found on bee compound eyes
- Teacher Is this the roly poly's mouth?
Bugscope Team yes it is!
- Teacher we are about to log off. thank you very much!
- Bugscope Team the tiny flat strands of fibrous material are fungal hyphae
- Bugscope Team Thank you, Everyone!
- Teacher scott, go to yoga
Bugscope Team haha
- Bugscope Team bye!
- Guest Bye!
- Bugscope Team BYe
- Bugscope Team bye!
- Bugscope Team over and out