Entomology 105                                                                        Name__________________

April 3, 2003


1. In which of the following orders is carnivory ALWAYS present?

a. Hemiptera

b. Coleoptera

c. Odonata

d. Hymenoptera


2. What is the proper common name of the carnivorous insects in the order Dictyoptera?

a. praying mantis

b. preying mantis

c. aphidlion


3. Which of the following families contain primarily species that attack sedentary prey?

a. Syrphidae

b. Chrysopidae

c. Coccinellidae

d. All of the above


4. In which of the following orders are parasitoids frequently found?

a. Hemiptera

b. Odonata

c. Hymenoptera

d. Plecoptera


5. What is the historical significance of the vedalia beetle, Rodolia cardinalis?

a. it caused massive devastation to French vineyards in the 19th century

b. it was used in the first successful biological control program in the United States

c. its predaceous habits inspired a style of Kung Fu martial art

d. it was an important source of dye for the Aztecs in pre-Columbian Mexico.


6. In what order is polyembryony commonly found?

a. Hemiptera

b. Odonata

c. Hymenoptera

d. Plecoptera


7.In addition to venoms, parasitoid wasps often inject what into their hosts to arrest development?

a. anticoagulant

b. anesthetics

c. antibiotics

d. viruses



8. All classes of vertebrates include some insectivorous species.

a. True

b. False


9.  Entomophagy means

a. belonging to the Class Insecta

b. the study of insects

c. eating insects

d. being infested with insects


10. Australopithecus robustus used bone toools to dig into termite mounds

a. 500,000 years ago

b. 1 million years ago

c. 5 million years ago

d. 50 million years ago


11.  Which of the following statements is false?

a. insects are a good source of dietary protein

b. insects are rich in minerals

c.  insects are low in cholesterol

d. insects are high in vitamins


12. Who sets food action defect levels that determine the number of permissible insect parts in food?


b. FDA

c. FTC

d. NIH


13.What enzymes allow some primates to digest insect exoskeletons?

a. chitinase

b. keratinase

c. cellulase

d. coenzyme Q10


14. Insects form a significant part of the human diet only in places where large game or domestic animals are rare.

a. True

b. False


15. Where are witchety grubs eaten?

a. Mexico

b. Australia

c. South Africa

d. Japan


16. What is the insect found floating in a bottle of mescal?

a. mopane worm

b. tsukudani

c. gusano de maguey

d. mang da


17. Which of the following can be classified as a secondary defense?

a. homotypism

b. crypsis

c. aposematism

d. stinging


18. Which of the following is an example of homotypism?

a. crab spiders that change color to match their background

b. bright orange-and-black monarch butterfly

c. a caterpillar that resembles a bird dropping

d. peppered moth


19. Which of the following insects is capable of reflex bleeding?

a. ladybugs

b. oil beetles

c. both a and b

d. none of the above


20. Which of the following is NOT considered aposematic?

a. orange

b. brown

c. yellow

d. red


21. In what kind of mimicry system is the model a toxic species and the mimic a palatable species?
a. Beltian

b. Batesian

c. Muellerian

d. Browerian


22. What are the active components of a bombardier beetle’s reactor gland?

a. isobutyric acid

b. aristolochic acid

c. quinones

d. cardiac glycosides


23. True or false: Cardiac glycosides in milkweed bugs are sequestered from the hostplant.

a. True

b. False


24. What is the technical term for “playing possum”?

a. thanatosis

b. thanatophobia

c. thanatology

d. thanatopsis


25. If you believed in the doctrine of signatures, which beetke might you prescribe for measles?

a. green tiger beetle

b. 7-spotted lady beetle

c. elephant dung beetle

d. bombardier beetle


26. To what order does the Spanishfly Lytta vesicatoria belong?

a. Diptera

b. Hymenoptera

c. Lepidoptera

d. Coleoptera


27. What is Cordyceps?

a. a medicinal beetle

b. a fly used in maggot therapy

c. a medicinal fungus

d. a bee used in apitherapy


28. Malariotherapy was used in the early 20th century for the treatment of

a. malaria

b. yellow fever

c. syphilis

d. arthritis


29. Bee venom is widely used in the treatment of

a. arthritis

b. diabetes

c. memory loss

d. heart disease


30. Allantoin is produced by maggots and acts as a(n)

a. vesicant

b. rubifacient

c. neurotoxin

d. antibiotic




31. If you were interested in finding an insect sourcce for sodium salts to use as a diuretic, which would you choose based on what you know about the electrolytes in hemolymph?

a. an orthopteran
b. a caterpillar


32. The active component of extracts of Spanishfly is a chemical called

a. luciferin

b. cantharidin

c. diamphidiatoxin

d. skatole


33. What is the “central dogma” of biology?

a. RNA to DNA to protein

b. protein to RNA to DNA

c. DNA to RNA to protein

d. protein to DNA to RNA


34. What is NOT a principal reason why Drosophila melanogaster is such an important organism for use in genetic studies?

a. it has a rapid life cycle

b. it feeds on relatively inexpensive food

c. it is of great economic importance to agriculture

d. it displays a great degree of phenotypic variability


35. Who is the individual most closely associated with the theory of uniformitarianism?

a. Charles Lyell  **pretty sure this is the correct answer**

b. Charles Darwin

c. Charles Addams

d. Charles Brown


36. The process by which individuals with heritable traits conferring survival produce more offspring than do individuals lacking such traits is called

a. speciation

b. the law of independent assortment

c. natural selection

d. law of filial regression


37.  One entomological phenomenon that Darwin had difficulty explaining in his book “Origin of Species” was

a. crypsis

b. mimicry

c. winglessness on islands

d. firefly lanterns




38. When was the Drosophila melanogaster genome sequenced?

a. 1999  **pretty sure**

b. 2000

c. 2001

d. 2002


39. What was the name of the geneticist who discovered that the white-eye mutation in fruit flies is a sex-linked trait?

a. Francis Galton

b. Thomas Malthus

c. Thomas Hunt Morgan  **again pretty sure**

d. Thomas Huxley


40. What does the polymerase chain reaction do?

a. amplifies DNA

b. sequences DNA

c. digests DNA

d. translates DNA into protein


41. What other insect aside from fruit flies can be genetically transformed?

a. imported red fire ant

b. yellow fever mosquito

c. honey bee

d. Japanese silkworm


42. What is a mutation?

a. group of coiled DNA strands containing genes

b. segment of DNA on a chromosome encoding a protein or RNA

c. location of a gene on a chromosome

d. change in a gene, either in DNA sequence or location


43. What does the rat-tailed maggot use for obtaining oxygen?

a. physical gill

b. tracheal gill

c. siphon

d. diffusion


44. Which of the following orders do not have any aquatic representatives?

a. Lepidoptera

b. Diptera

c. Coleoptera

d. None of the above


45. True or false: The gas present in greatest concentration in a physical gill is oxygen.

a. True

b. False


45. In which of the following orders are all immature stages aquatic?

a. Ephemeroptera

b. Plecoptera

c. Odonata

d. All of the above


46. Why are bloodworms called bloodworms?

a. Because they are parasites of fish that live in the bloodstream

b. Because they contain hemoglobin, as does human blood

c. Because they are capable of reflex bleeding when disturbed


47. What aquatic insect relies upon diffusion for its oxygen supply?

a. diving beetle

b. glassworm

c. immature stonefly

d. immature mayfly


48. True or false: All aquatic insects are descended from terrestrial forms

a. True

b. False


49. What is unusual about the eyes of whirligig beetles?

a. They don’t have any—they rely on their sense of touch for orienting

b. They have a double set—one for looking into the air and a second for looking into the water

c. They contain blue pigment, which allows them to see well in water


50. True or false: Aquatic insect pheromones are highly volatile

a. True

b. False


51. What is the title of the classic flyfishing treatise written by Izaak Walton in 1653?

a. A Treatyse of Fysshing with an Angle

b. The Compleat Angler

c. Flyfisher’s Entomology

d. A River Runs Thruogh It


52 Which of the following orders isn’t likely to be popular with flytying fishermen?

a. Ephemeroptera

b. Phthiraptera

c. Plecoptera

d. Trichoptera


53. Beetles aren’t popular with flytying fishermen.

a. True

b. False


54. What is a humpback?

a. a mayfly adult

b. a mayfly subimago

c. a mayfly nymph

d. a mayfly egg


55. A salmonfly is a species in the order

a. Plecoptera

b. Diptera

c. Lepidoptera

d. Coleoptera


56. Which of the following does NOT refer to a type of trout?

a. cutthroat

b. steelhead

c. drumhead

d. rainbow


57. What is meant by a “gentlemen’s hatch”?

a. an emergence of adults that takes place in a quiet stream

b. an emergence of adults that takes place between 10 am and 4 pm

c. an emergence of nymphs from eggs in late May

d. an emergence of nymphs from eggs in late September


58. What important contribution did Dame Juliana Berners make to flyfishing ?

a. she invented the “royal coachman”

b. she wrote “A Treatyse of Fysshing with an Angle”

c. she invented the fly rod

d. she pioneered the concept of “catch and release”


59. An example of an insect involved in canthariasis is

a. human bot fly

b. dung beetle

c. urticating caterpillar

d. face fly


60. Like predators, parasites tend to infest a broad range of host species.

a. True

b. False


61. An example of an order consisting entirely of species that are ectoparasitic as immatures and adults includes

a. Siphonaptera

b. Phthiraptera

c. Hemiptera


62. Which of the following is a protelean parasite?

a.  horse fly

b. cat flea

c. body louse

d. cattle grub


63. Which body fluids serve as food for vertebrate parasites?

a. blood

b. tears

c. mucus

d. all of the above


64. Mycetomes are most often found in species that are parasitic in all life stages.

a. True

b. False


65. Which of the following is NOT  characteristic of ectoparasitic insects?

a. thick cuticle

b. flattening of body

c. reduced sensory appendages

d. aposematic coloration


66. Where would you expect to find the human parasite Dermatobia hominis?

a. in the osquitoe of facial hair

b. in the intestinal tract

c. under the skin

d. in the nasal passages


67. To what family do mosquitoes belong?

a. Ceratopogonidae

b. Chironomidae

c. Muscidae

d. Culicidae


68. Which mosquito life stages feed on blood?

a. female adults

b. male adults

c. larvae

d. all of the above


69. What is the principal vector for yellow fever?

a. Anopheles mosquitoes

b. Aedes  mosquitoes

c. Culex mosquitoes

d. Toxorhynchites mosquitoes


70. How many mouthparts make up a mosquito proboscis?

a. 4

b. 6

c. 8

d. 12


71. What chemical cues do mosquitoes use to find their hosts?

a. lactic acid in sweat

b. carbon dioxide in exhaled breath

c. both a and b

d. nobody knows how mosquitoes find their hosts


72. Once you get yellow fever, you can never catch it again.

a. True

b. False


73. The man who headed the US Army Medical team that investigated the causes of yellow fever transmission was

a. Benjamin Rush

b. Carlos Finlay

c. Max Theiler

d. Walter Reed


74. Yellow fever is caused by a

a. virus

b. rickettsia

c. bacterium

d. nematode


75. The man responsible for developing the first effective yellow fever vaccine was

a. Benjamin Rush

b. Carlos Finlay

c. Max Theiler

d. Walter Reed


76. West Nile virus is typically transmitted between osquitoes and

a. humans

b. birds

c. rodents

d. reptiles






77.  The principal symptom to which yellow fever owes its name is

a. dizziness

b. vomiting black material

c. jaundice

d. mental disturbance that leads to phobic behavior


78. You see a mosquito land on your arm.  It has very long legs and spots on its wings and it feeds with its abdomen elevated above its head.  Most likely, to what genus does this mosquito belong?

a. Anopheles mosquitoes

b. Aedes  mosquitoes

c. Culex mosquitoes

d. Toxorhynchites mosquitoes


79. Malaria is a disease restricted to the tropical regions of the world.

a. True

b. False


80.  All species of Anopheles are vectors of malaria

a. True

b. False.


81. Plasmodium is a

a. virus

b. bacterium

c. protozoan

d. nematode


82. The ookinete stage of Plasmodium is found

a. only in the mosquito

b. only in the human

c. in both mosquito and human


83. The person credited with discovering mosquito transmission of malaria was

a. Ronald Ross

b. Charles Alphonse Laveran

c. Patrick Manson

d. Florence Nightingale


84. Where does quinine come from?

a. the bark of a South American tree

b. the soil of South American rainforests

c. it’s chemically synthesized in the laboratory

d. it’s manufactured by an insect



85. What is the principal reason for the resurgence of malaria worldwide?

a. increase in the number of mosquito species that serve as vectors

b. increase in the number of mosquitoes resistant to insecticides

c. increase in the number of peple getting preventative malaria vaccinations

d. decrease in the world supply of quinine


86. Approximately how many cases of malaria are reported every year worldwide?

a. 200,000

b. 2,000,000

c. 20,000,000

d. 200,000,000


87.  An alternative control measure for malaria is Bti; this is

a. a powerful drug that kills the pathogen

b. a powerful insecticide that is neurotoxic to adult mosquitoes

c. a microbial insecticide that kills larval mosquitoes

d. a vitamin that enhances natural resistance to malaria


88. All adult fleas are wingless

a. True

b. False


89. Larval fleas feed primarily on

a. blood

b. fur and feathers

c. skin flakes

d. excrement of adult fleas


90. Which of the following mammals is not likely to harbor fleas?

a. fox

b. rat

c. elk

d. bobcat


91. The scientific name of the Oriental rat flea is

a. Ctenocephalides felis

b. Pulex irritans

c. Xenopsylla cheopis

d. Spilopsyllus cuniculi

92, Yersinia pestis is a

a. virus

b. bacterium

c. protozoan

d. nematode



93. The form of plague characterized by huge swelling of the lymph nodes is

a. septicemic

b. bubonic

c. pneumonic

d. chronic


94. In what century did the second pendemic of plague begin?

a. 6th

b. 14th  **I think**

c. 17th

d. 19th


95. The man who first suggested that fleas were principal vectors of plague was

a. Alexandre Yersin

b. Charles Rothschild

c. P. L. Simond

d. William Crawford Gorgas


96. A nit is

a. a louse egg.

b. a mark on the skin made by a louse feeding

c. an immature louse

d. a louse dropping


97. Exanthematous typhus is caused by a

a. virus

b. rickettsia

c. protozoan

d. nematode


98. Lice inject the pathogen that causes typhus into the feeding site along with saliva.

a. True

b. False


99. Typhus is always fatal to a louse.

a. True

b. False


100. The principal vector of typhus is

a. Pediculus humanus

b. Rickettsia prowazekii

c. Phthirus pubis

d. Hematopinus suis






101. In what year was the genome of Rickettsia prowazekii sequenced?

a. 1998

b. 1999

c.  2000

d.  2001


102. Which of the following diseases is also vectored by lice?

a. Rocky Mountain spotted fever

b. dengue

c. trench fever

d. breakbone fever


103.  The person who was awarded a Nobel Prize in 1920 for describing transmission of typhus by lice was

a. Florence Nightingale

b. Hans Zinsser

c. Charles Nicolle

d.  Stanlisaus von Prowazek