ENTM 206 Exam II

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MRK
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237759
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ENTM 206 Exam II
Updated:
2013-10-10 09:51:19
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Unit IV VII VIII
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  1. Prognathous
    • mouth parts directed forward
    • preditors
  2. Opisthognathous
    • mouth parts directed back ward
    • plant/ preditors
  3. hypognathous
    • mouthparts directed ventrally
    • plant feeders
  4. Compound Eye
    • Facet- external surface of ommatidium
    • Dioptric apparatus- light gathering
    • Receptor apparatus- sensory section
  5. Function of antennae
    • olfactory
    • tactile
    • auditory
    • combination
  6. tentorium
    invagination of the body wall in the insect head
  7. spiracles
    openings of the respiratory system
  8. pleural sutures
    for support of wings
  9. sclerites
    • hard body wall plates set off by sutures or membranous areas
    • pleurites
    • sternites
    • tergites
  10. thoratic segments w/ and w/o wings
    w/o wings plueron isn't sclerotized
  11. insect leg parts
    • coxa
    • trochanter
    • femur
    • tibia
    • tarsus
    • pretarsus
  12. raptoral legs
    enlargerd coxa
  13. clasping
    • leg with femer and tibia formed into pincer-like structure
    • for holding hair
  14. Wings
    • usally entirely membranous with upper and lower membranes
    • veins from tracheal tubes
    • venation is specific
    • attached by membranous hinge
    • small sclerities assist in articulation
  15. wing coupling mechanisms
    • frenulum- large spine- in moths
    • jugum- lobe attaches to rib- rare moths
    • Hamulus- like velcro - butterflys
  16. Orthoptera
    • straight wings
    • grasshoppers, crickets, cockroaches
  17. isoptera
    • equal sized wings
    • termites
  18. coleoptera
    • sheath-winged
    • Elytoron
    • beetles and weevils
  19. hemiptera
    • half of the fore wing membranous
    • true bugs
  20. lepidoptera
    • scaly-wings
    • moths, butterflys, skippers
  21. diptera
    • only one pair of wings
    • house flys, mosquitoes
  22. direct flight musles
    • muscles attach directly to wings
    • only in dragon fly
    • damsel fly
    • may fly
  23. Indirect flight muscles
    • contract longitudinal muscles = wings down
    • contrat dorsal ventral = depress notum and wings up
  24. why not three wings?
    because not enough from for muscles in pro-thorax region
  25. median intromittent organ
    • copulartory organ
    • male repro
    • the aedegus
  26. clasping organs
    • parameres
    • male repro
  27. ovilpositor
    • 1st valvifer from 8th body segment
    • 3rd and 2nd on 9th body segment
    • used as egg guides
  28. females w/o ovipositor
    • terminal segments can telescope
    • or simply dropped from abdomen
  29. cerci
    • tactile organs on the 11th segment
    • for balance
    • to swim
  30. prolegs
    occurring in most lepidoptera and some hymenoptera larvae
  31. styli
    appear to be vestigal legs on thysanura
  32. eversible vesicles
    thought to be used to regulate salt
  33. Stomodaeum (fore-gut)
    • Mouth (functional then true)
    • pharynx
    • Esophagus
    • Crop (lateral folds to expand)
    • proventriculus (gastric mill)
    • cardiac valve (stomotal valve)
  34. Mesenteron (mid-gut)
    • Grastric Caeca
    • ventriculi
  35. malpighian tubules
    • attach where hind-gut starts
    • like kidneies
  36. proctodaeum
    • hind intestine
    • pyloric valve
    • anterior intstine
    • rectum (rectal pads)
    • anus
  37. insects need...
    • Vitamin C and B
    • cholesterol
  38. filter chamber
    • in mesenteron of some insects
    • water moves from mid-gut to hind gut
  39. peritrophic membrane
    • around the food in mid-gut
    • protects mesenteron
    • enzymes in and food out
  40. Structures that make up the circulatory system
    • Dorsal system
    • heart of Ostia (gap) and valves and chambers
    • Aorta
  41. Dorsal sinus
    • heart region
    • alary muscles that hold up heart
  42. Accessory pulsating organs
    • Ventral diaphragm- at base of organs
    • Pulsatile organs
  43. Hemolymph
    • liquid plasma
    • hemocytes
  44. Function of plasma
    • Transport nutirents
    • transport hormones
    • hydrolic system
    • Aids in extrection
    • Carries very little 02
  45. Function of Hemocytes
    • Wound healing
    • Phagocytosis
    • Encapsulation
  46. Principal sites for food storage
    • Fat body
    • Mid-intestine epithelium
    • other tissues (muscles)
  47. Excretory Organs
    • Mipighian tubules (cryptonephiridia)
    • Fat body
    • Nephrocytes (kidney cells)
    • Glands
    • Cuticle
    • Yellow because Uric acid
  48. Malphighian Tubules
    • seperates ions, salt, and water from uric acid in urine
    • cyrpotonephridia- when end is imbedded in rectum to get more I,S,W out

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