Entomology 4015: 2005 Midterm ExamANSWERSEntomology 4015: 2005 Midterm ExamAnswers provided at the end.1. Coleoptera means:a. fringed wingsb. covered wingsc. veined wingsd. even wings2. Arthropoda means:a. insectsb. insects + shrimpc. jointed appendagesd. three appendages3. What does Marcos Kogan mean by damage threshold?a. crop experiences insect feedingb. crop experiences lowest damage levels which can lead to economic lossc. crop experiences leaf damaged. crop experiences damage levels that require spraying4. What is the best definition of a biorational insecticide?a. has a high REIb. protects workersc. conserves beneficial insectsd. all of the above5. How many noticable body segments does a mite have?a. oneb. twoc. threed. two and four legs6. What is classical biocontrol?a. augmentationb. conservationc. importationd. purchasing insects from an insectary7. How do you determine if thrips are vectoring a disease?a. look at them under a microscope b. use a test strip on the thripsc. use a test strip on the plantd. catch thrips in blue sticky traps8. What two groups have chewing mouthparts?a. aphids and mitesb. cicadas and beetlesc. sawflies and mothsd. flies and mealybugs9. What antennae characterize shore flies?a. filliformb. aristatec. geniculated. clubbed10. What antennae characterize ants?a. filliformb. aristatec. geniculated. clubbed11. Which mites produce webbing?a. cyclamen and broad mitesb. broad and spider mitesc. Lewis mited. spider mites12. Which one has chelicerae?a. aphidsb. fungus gnatsc. mitesd. mealybugs13. Halteres are used for what?a. making noiseb. balancec. breathingd. signaling14. Which are used for detecting tospoviruses?a. blue sticky cardsb. petunia flowersc. petunia foliaged. squashing thrips and viewing under a microscope15. Releasing the parasitoid wasp, Encarsia formosa, to suppress populations of the greenhouse whitefly is what type of biocontrol?a. conservation biocontrolb. augmentation biocontrolc. suppression bioconrold. importation biocontrol16. Which of the following lady beetles is a primary biocontrol agent of mealybug?a Delphastus pusilusb. Hippodamia covergensc. Cryptolaemus montrouzierid. Stethorus punctum17. Which of the following lady beetles is a generalist feeder?a Delphastus pusilusb. Hippodamia convergensc. Cryptolaemus montrouzierid. Stethorus punctum18. Which lady beetle attacks cottony cushion scale?a. twice stabbed lady beetleb. asian lady beetlec. vadalia beetled. pink lady beetle19. The pursuit of a biocontrol agent for cottony cushion scale is an example of what typeof biocontrol?a. augmentationb. conservationc. importationd. purchasing insects from an insectary20. Which of the following bioontrols attack fungus gnats and thrips pupae in soil?a. Phytoseiulus persimilis b. Neoseiulus californicusc. Rhyzobius lophanthaed. Hypoaspis miles21. Which major character separates soft and armored scales?a. number of legsb. production of honeydewc. production of malesd. parthenogenesis22. Which of the following is an armored scale found in greenhouse?a. hemispherical scaleb. brown scalec. fern scaled. cottony cushion scale23. Order Lepidoptera means:a. two wingsb. joined by hamulic. hairy wingsd. scaly wings24. What best describes Hymenoptera wings?a. fringed wingsb. covered wingsc. veined wingsd. wings joined by hamuli 25. In the Order Neuroptera most species are:a. pollinatorsb. herbivoresc. parasitoidsd. predators26. Orders with incomplete metamorphosis are: a. Homoptera, Thysanopterab. Homoptera, Coleopterac. Homoptera, Neuropterad. Homoptera, Hymenoptera27. Order with sponging mouthparts:a. Homopterab. Coleopterac. Neuropterad. Diptera28. Potato slices are used to monitor for which pest?a. earwigsb. shore fliesc. fungus gnatsd. nematodes29. Millipedes are in which class?a. Chilopodab. Diplopodac. Insecta/Hexapodad. Arachnida30. Earwigs are in which order?a. Homopterab. Thysanopterac. Dermapterad. Diptera31. Raptorial front legs are used for?a. walkingb. runningc. swimmingd. grasping32. What insect below is not a member of the order Orthoptera?a. mole cricketb. grasshopperc. lacewingd. katydid33. Wings in the Neoptera different from wings in the Paleoptera because?a. Neopterous wings have many veinsb. Neopterous wings have few veinsc. Neopterous wings can foldd. Neopterous wings do not fold34. Order Hemiptera means half wings because:a. wings are half the sizeb. wings are uniform in texturec. wings are membranous where attached to the body and thickened at the other endd. wings are thickened where attached to the body and mebranous at the other end35. Which group has alternation of generations between summer and winter hosts?a. mealybugsb. mitesc. aphidsd. scales36. In class, we defined IPM repeatedly as:a. scoutingb. decision making process c. thresholdsd. commodity management37. Which of the following is NOT an IPM tactic:a. scoutingb. scheduled spraysc. biorational pesticidesd. conventional pesticides38. What are nymphs?a. juvenile stage in complete metamorphosisb. juvenile stage in incomplete metamorphosisc. egg staged. winged stage39. Imidacloprid belongs to which class of insecticide?a. pyrethroidb. carbamatec. cholorinated hydrocarbond. chloronicotinyl40. Imidacloprid is used in many different commodities, greenhouse, trees, turf, herbaceous plants because of what major property?a. it is easy to sprayb. it is very toxic c. it has a low REId. it is systemic41. A miticide that is also a biorational has what properties?a. broad spectrumb. has a high REIc. kills eggsd. does not kill predatory insects and mites42. How is an IGR different than a conventional insecticide?a. kills adultsb. disrupts moltingc. is systemicd. is a pyrethroid43. What best describes resistance management in greenhouse?a. plant resistance or tolerance to insectsb. prevent insect tolerance and low mortality to one pesticidec. prevent insect tolerance and low mortality to a class of pesticided. all of the above44. When is it appropriate to use biocontrol in greenhouse?a. when pest populations are highb. with conventional insecticidesc. when pest populations are low and damage is lowd. when pest populations are low and virus is present in the pest45. Shore flies feed on: a. plant roots in potsb. leavesc. algaed. flowers46. Are minute pirate bugs (Orius):a. predators as adults; herbivores as nymphsb. predators as adults; predators as nymphsc. parasitoidsd. parasites47. In what group do adults and immature stages have different types of mouthparts?a. aphids