Cedar Tree Montessori
Session 2009-164

Application

School

Class

Project

Miscellaneous

Transcript

Connected on 2010-02-17 11:30:00 from Bellingham, WA, US

• 11:11 am
• Bugscope TeamHello!
• Bugscope TeamWelcome to Bugscope!]

• Bugscope Teamthis is the head of the horntail you sent
• Bugscope Teamyou have the ability to drive the microscope: change magnification, move to other places, change focus, select from among the presets to the right of the chat box...
• Bugscope Teamlet us know if you have any questions
• Bugscope Teamyou can see one of the eyes right now -- one of the compound eyes
• Bugscope Teamand the base of the antenna is at the top of the screen now
• Bugscope Teamthere is also a dragonfly in the microscope, plus some fruit flies and some other insects
• 11:29 am

• Bugscope Teamnow we can see the ommatidia -- the individual facets of the compound eye

• Bugscope Teamthe jaws are to the right

• TeacherHi, can you show us the tail?
• Bugscope Teamif you click on preset no. 8 you will go right there

• Bugscope Teamcool!
• Bugscope Teami clicked on preset 8 for you

• Bugscope Teamthis is the ovipositor

• Bugscope Teamwhich is what a stinger is, often

• Bugscope Teamit cuts right into wood so the horntail can lay its eggs deep into wood
• TeacherW
• Teacherwhat is stuck between the two arts of the tail?
  Bugscope TeamThat looks like a little spot of dirt or goo.
• Bugscope Teamthe pieces we see now cut separately into the wood
• Bugscope Teamthey slide next to each other to cut
• TeacherThanks
• 11:34 am
• TeacherCan we see the antennae?
• Bugscope Teamyou can see that the ovipositor has ridges that help it cut

• Bugscope Teamthat is preset 10, which we just clicked on for you

• Bugscope Teamthis is a closeup of one of the segments

• Bugscope Teamthe top antenna, on the left, curls around at the end
• Bugscope Teamthe lower antenna is missing its end
• TeacherThanks! This is really cool!
• TeacherThanks, this is really cool. Can we see the underbelly?
• Bugscope Teamthe bases of the antenna fit into the head with a ball and socket joint

• TeacherCan we see the underbelly?
• Bugscope Teamthose are little sensory pits in the antennae. we believe they are chemosensory -- they help the horntail smell scents in the air

• Bugscope Teamthis is the abdomen

• Bugscope Teamyou can see the segments of the abdomen -- the belly

• Bugscope Teamthe round things that look like they have frowns are spiracles, which are breathing holes for the insect

• 11:39 am

• Bugscope TeamJust like nostrils!

• TeacherCan we see the mouth?
• Bugscope Teamokay just a sec

• Bugscope Teamit's to the right of the head

• Bugscope Teamthose are the jaws
• Bugscope Teamthe mandibles

• Bugscope Teamthey are short and powerful for biting into wood

• Bugscope Teamthey open from side to side, unlike our jaws
• TeacherThanks, can we see the legs?
• Bugscope Teamokay we are going to take the mag down first and then drive down there

• Bugscope Teamthis was not far from the head -- it is one of the legs, and what we see are tarsi, which is what the last several segments of the limbs are called
• TeacherHow many eyes does this horntail have? Can we see all of them?
  Bugscope Teamshe has 5 eyes. 2 compound eyes and 3 simple eyes- called ocelli
• 11:44 am

• TeacherWow! Can you focus on the simple eyes?
• Bugscope Teamyou can only see the compound eye, but we can show you simple eyes on a fruit fly

• Bugscope Teamthere are two ocelli, sort of hard to see through the vestiture
• Bugscope Teamyou can't see them too well, but there's 2 bumps hidden in the hair
• Bugscope Teamwould you like to see the ocelli -- simple eyes -- on a fruit fly?
• Bugscope Teamyou can see that when we mounted the horntail on the stub we had to make choices about what we would be able to see

• Bugscope Teamthis is a fruit fly head, for comparison with the horntail

• 11:50 am
• Bugscope Teamthese are the ocelli, which form a triangle on the top of the head
• Bugscope Teamthe simple eyes on an insect are usually found on ones that fly. They are light sensitive and can use that to triangulate where they are, or if they are upside down or something. Built in GPS
• Bugscope Teamthey are simple eyes, and spider eyes look much like these but are usually larger; also, stemmata, which is what caterpillar eyes are called, are much like these

• Bugscope Teamnow we are moving to the wing of the horntail
• Bugscope Teamthis is fairly close up, and it shows how the fore- and hindwings clip together when the horntail flies
• TeacherWhat are we looking at here?
• Bugscope Teamthose little ring-like things are called hamuli, and they hook over the forewing
• Bugscope TeamThe simple eyes play a role in circadian rhythms as well, they help the insect to determine when to "sleep" and when to eat and move around. They also use the simple eyes to determine day length, which is like a built in calendar. When the days get shorter, for example, they will know that winter is coming.
• Bugscope Teamwhen wasps and bees, which have four wings, fly, they hook the their fore- and hindwings together to form two flying wings
• TeacherThanks for everything!

• 11:56 am
• Bugscope Teamfl teacher it looks like our session with Kim is over
• Bugscope Teamwould you like to drive the microscope?
• Bugscope TeamI have given you control
• Bugscope Teamfl teacher please let us know if you have questions. our session today was surprisingly short

• Bugscope Teamover and out...