Exam 2--1999 Entomology 105--Insects and People

2.gametes; 50%; zygote


4. An interbreeding group of individuals that is reproductively isolated from other such groups

5. intraspecific chemical signal


7.a. pyrethrum, tobacco (nicotine), neem
b. Paris Green, arsenic
c. DDT, parathion, malathion, heptachlor, dieldrin



10.a. monitor pest levels
b. attracticide (attract pest to poison bait); disrupt mating

11. c
12. Increase in concentration of a chemical up a food chain.



15.a. biological control (natural enemies) - pathogens, parasitoids, predators
b. pheromones; sterile male release

16. Fire ants can strip insulation off wires causing short circuits and fires.

17. the Brazil-Paraguay border




21. a. morphometrics - use of precise measurements of morphological features
b. DNA analysis


23. Warwick Kerr

24. True



27. Morrill Land Grant Act; Hatch Act

28. T.J. Burrill


30.a. first use of biocontrol
b. promoted inorganic chemical control; first entomological organization
invented spray nozzle

31.a. honey bee
b. monarch butterfly

32. Charlotte Hornet, Chicago Sting, University of Richmond Spiders, Savannah Sand Gnats, Salt Lake City Buzz, Georgia Yellowjackets

33. cicadas, witchety grubs, psyllids

34. high fecundity or reproduction rate; often first animals to colonize; some insects observed constructing homes or "societies"; some insects emerge from filth

35. honey bee comb


37. a. minute size is a technical challenge
b. aesthetic beauty

38. True

39.a. Death's Head Moth
b. The Great Masturbator; Myself at the Age of Ten as the Grasshopper Child

40. beetles used as ornaments; butterfly wings; Amazonians use dragonfly wings as nose plugs

41. Spiders are insects; Crickets are chummy little fellows, rather than pests.


43. Food Insecticide Fungicide and Rodenticide Act

44. ferae naturae

45.a. nuisance or stinging
b. zoning ordinance violations; trespassing if they go on property

46.a. pesticide drift killing bees
b. theft of honey, swarms or equipment

47. a. tremolo - rapid playing of string simulates buzzing
b. bottle slide on guitar - simulates humming or buzzing

48. Ballad of the Boll Weevil; Boll Weevil Song

49. Crabby Day; King Bee

50. False




54.a. reduction in appendages (usually two less)
b. mouthparts as tools; anthropomorphism (human features); adversarial relationship with humans

55. 1954


57. a. traveling matte or blue screen - Beginning of the End
b. models or puppets - Them, Monster from Green Hell

58. A cable mite is an irritation caused by exposure to fiberglass, glass wool, or other particulate matter that gets under the skin and causes the sensation of being infested by arthropods.

59. entomophobia

60. a. bugs jump or change color; infestation lasts several months or years
b. infest strange household items (toothpaste)



63. a person who supplies and manipulates insects in the movies

64.a. bait or pet feed shops
b. biocontrol; scientific supply shops; butterfly release;


66. genetic engineering



69. mountains outside Mexico; also along the central coast of California

70. Biocontrol agents are frequently deliberately introduced to control pest species or weeds.

71. cabbageworm; cockroach; beetle; fly

72. a. tracheal respiratory system might not work
b. molting would be a problem; limbs would collapse under weight

73. a. Discover b. National Geographic; Omni; Scientific American; Popular Science

74. 1995 Nobel Prize for Medicine - research on Drosophila melanogaster

75.a. E.O. Wilson b. Tom Eisner

76. World Food Prize

77.a. genus b. species c. L. - Linnaeus, the author d. written in Latin, a foreign language

78.c (and rising)

79. universally understood; provides information about insect;
common names vary with region; same for different life stages


81. a. no antenna
b. two tagmata (abdomen and cephalothorax); chelicerate mouthparts

82. three; one; three

83. immatures entirely aquatic
- Ephemeroptera, Odonata (also Trichoptera, Plecoptera)

contain species that are eusocial
- Hymenoptera, Isoptera, Homoptera (also Thysanoptera)

contain species that are entirely parasitic in the adult stage
- Diptera, Coleoptera, Lepidoptera, Siphonaptera (also Stresiptera)

contain gall forming plant-feeders
- Homoptera, Diptera, Hymenoptera

-Hymenoptera, Diptera, Siphonaptera, Coleoptera, Lepidoptera)

- Ephemeroptera, Orthoptera, Odonata, Dictyoptera, Phthiraptera, Isoptera

species associated with dung
- Diptera, Coleoptera, Dictyoptera, Lepidoptera (dung feeding sloth moths!)

species associated with carrion
- Diptera, Coleoptera, Hymenoptera, Lepidoptera, Dictyoptera

contain stored product pests
- Diptera, Coleoptera, Lepidoptera, Dictyoptera

contain parasitoids
- Diptera, Hymenoptera (also Coleoptera to a limited extent)

84. The shedding of the old exoskeleton (specifically).

85. imaginal discs

86. b


88. holometabolous

89. "killer bees" - these bees do not want to hunt humans down and kill them, only defend their colonies


91. a. male
b. male
c. female
d. female
e. female


93.a. overlap of generations
b. cooperative brood care
c. reproductive division of labor

94.a. dehydrate it
b. break sucrose into simple sugars with invertase





99. clover and bumblebee; fig and wasps; chocolate and midges; almonds and honeybees

100. reduced toxins; increased nutritive value; increase water content

101. d

102.a. overcrowding
b. declining food quality

103. Bombyx mori


105.a. shellac b. cochineal dye

106.a. a devastating pest of grape roots in the wine industry
b. source of tannins for ink
c. Homoptera

107. reduced dispersal capability; small size; tolerance of toxins; tolerance of dry conditions

108. keratin


110. This beetle was the first insect deliberately imported (from Australia) for biological control of cottony cushion scale.

111. Homopterans, among many other things.


113. Cryptic species, because aposematic species are often (though not always) advertising toxicity.

114. The exoskeleton of insects contain similar proteins to the exoskeletons of shellfish and dust mites. Since proteins often serve as allergens, cross sensitivity is a good possibility.


116. Batesian

117. The deliberate medical use of maggots to clear a wound of necrotic (dead) tissue.

118. Spanishfly (not a true fly, but a beetle), Lytta vesicatoria; Coleoptera

119. Prey switching behavior is when a predator focuses on the suitable prey species that is most abundant at the time. Fishermen should try to "match the hatch", or use mimics of the prey of the moment.

120. Ephemeroptera

121. Segregation

122. mutation

123. make disease vectors refractory (unable to carry disease organism); make biocontrol agents (predators, parasitoids) resistant to pesticides

124. a. follicle mite, body lice, heel fly
b. human bot fly, screwworm, maggots in general
c. mosquitoes, flea, bedbugs

125. a. St. Louis encephalitis, La Crosse fever, West Nile virus
b. Culex pipiens, Aedes triseriatus

126. a.2.; b.4.; c.3.; d.1.

127. a.2; b.1; c.4.; d.3


129. Introduction of a non-economic insect to use up the resources of an economic pest.

130. To identify suspects or victims from blood in blood feeding mosquitoes; To identify which population the carrion insects came from

131.c. lots of them!