And now, an excerpt from my second mid-term exam for the BIO 453L class. Good luck!


8. Australia was able control its infamous bush fly problem by importing several species of:
a. Dung beetle
b. Robber fly
c. Orb-weaving spider
d. Green lacewing

9. In your new job as a forensic entomologist, you receive a sample of insects collected by police from a body discovered in a park. The sample contains mostly beetles in the family Dermestidae and moths in the family Tineidae. It is autumn and the weather has been cool. Would you estimate the PMI (=time of death) to be:
a. Within a day.
b. Within 2-3 days.
c. Between 4 days and 2 weeks.
d. More than 2 weeks.

10. Which insect order is indispensable, as cacao’s required pollinator, to the production of chocolate?

a. Diptera
b. Hymenoptera
c. Lepidoptera
d. Coleoptera
e. Odonata

11. Which insect order is indispensable, as the obligate inquiline pollinator, to the production of figs?
a. Diptera
b. Hymenoptera
c. Lepidoptera
d. Coleoptera
e. Odonata

12. Which order has the highest proportion of herbivorous species?
a. Hymenoptera
b. Diptera
c. Odonata
d. Lepidoptera

13. A harmless fly mimicking a stinging bee encounters an assassin bug. At first, the fly plays dead, but the assassin bug attacks anyways. The fly manages to confuse and elude the assassin bug by spinning around unpredictably. The following best describes the series of defenses the fly used (3 pts):
a. Batesian mimicry; thanatosis; protean display
b. Crypsis; protean display; osmeterial eversion
c. Muellerian mimicry; thanatosis; endosymbiosis
d. Muellerian mimicry; osmeterial eversion; thanatosis
e. Batesian mimicry; protean display; cantharophily

14. Which cells are involved in the encapsulation response of the insect immune system?
a. plasmocytes
b. granulocytes
c. defensins
d. imaginals

15. What is the most likely function of the long tails on the hindwings of Luna moths?
a. crypsis
b. homotypism
c. thanatosis
d. acoustic deflection

16. Which of the following groupings of insects encompasses a single evolutionary origin of social behavior?
a. ants, paper wasps
b. ants, termites
c. paper wasps, yellow jackets
d. honey bees, halictid bees
e. ants, velvet ants