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Entomology Exam 1
Reproduction, Physiology, Sensation
29
Biology
Undergraduate 3
03/11/2010

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Term
Aquatic habitat
Definition
hemiptera (water scorpion, back-swimmer, waterstrider)
coleoptera (tube from caudal end, whirling beetle)
Term
Dorsal plate
Definition
tergal
Term
Ventral plate
Definition
sternal
Term
Side plates
Definition
pleural
Term
Leg from axial -->
Definition
coxa, trochanter, femur, tibia, tarsus, claws
Term
Levator
Definition
tibia up
Term
Depressor
Definition
tibia down
Term
3 leg functions
Definition
front-back: tractor, suport, propulsion
Term
Wing evolution hypotheses
Definition
water up: wings for sailing speed
tree down: climbed, wider thorax
Term
Unusual amount of wings...
Definition
Diptera lost 2nd pair
ancient odonata 3 pairs, difficult to control
anoplura lost them
collembola, thysanura
Term
active flying
Definition
energy requiring though ectotherms, must warmup wings
Term
Flight mechanisms: Direct!
Definition
each wing movement controlled by contraction: good control and navigation, slower and energy consuming
Term
Flight mechanisms: Indirect!
Definition
One muscle contraction ~10 wingbeats, 1/10 energy of direct
Term
Foregut
Definition
mouth (m + m) salivarium, pharynx, crop, gizzard, caecum
Term
Midgut
Definition
peritrophic membrane! Malpigian tubulus, acid production
Term
Hindgut
Definition
pylorus, ileum and colon, rectum, rectal pads, anus
Term
Male reproductory system
Definition
2 testis, phallus gland, accessory gland, vas deferens, ejaculatory duct
Term
Female reproductory organs
Definition
ovaries, ovaricles with terminal filaments, spermatheca, ovipositor, spermathecal gland
Term
Respiration
Definition
trachea -->tracheoles (1-cell thick) diffusion of gases
Term
Food web (animal/plant) (solid/liquid)
Definition
plant/solid: phytophage...see handout!
Term
Sperm transfer: Apterigotans
Definition
Never had wings: leave spermatophore on ground. eg. thysanura ambushes females
Term
Sperm transfer: copulation
Definition
~penis, vagina: male has claspers to stay fixed, spermatheca stores or bursa copulatrix direct fert
Term
phalloblaster
Definition
automated to extend AEDEAGUS, inflate female genitals
Term
Sexual signals
Definition
pheromones, sounds, fights, UV color + patterns, light, "gifts" with spermatophore attached
Term
Crickets + sound
Definition
scraper and file, 15% satellite males
Term
Exopterygote hormones
Definition
molting, juvenile hormones: corpora allatum, corpus cardiacum
Term
Advantages of insects!
Definition
image forming eyes, fly!
Term
male-female determination
Definition
female xx, male xy or x-, some parthenogenetic, viviperous (no males), polyembryony, social insects
Term
Aedeagus
Definition
male penis, lock + key, to prevent gene flow
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