Entomology 462 Name (please print)______________________Fall Quarter 2005Mid-term Exam (form 1)Multiple Guess - Select the BEST answer that answers the question or completes the sentence. Thereare usually two answers that don’t fit at all, one that is close to the correct answer and then the correctanswer. Ask Questions! (Also, remember that your first guess is often the best choice if you have toguess.) (2 points each)____ 1. What is unique about the life cycles of mayflies, stoneflies, and dragonflies? A. None aretrue flies; B. all have naiads; C. all have larval stages even though they have incompletelife cycles; D. none feed as adults.____ 2. Which of the following arthropod groups has mandibles? A. spiders; B. horseshoe crabs; C. millipedes; D. mosquitoes.____ 3. Which of the following is a valid species name (form)? A. Macracanthorhynchushirudinaceus; B. M. hirudinaceus; C. Macrocephala Shetlari; D. Microcephala spinosus. ____ 4. Which of the following is not a typical arthropod phylum characteristic? A. bilateralsymmetry; B. possess antennae; C. ventral nerve cord; D. segmented appendages.____ 5. You were shown a European upright hornbeam that had this raised ridge of its normallysmooth bark running back and forth, even around the trunk. The owner thought that thiswas normal for hornbean, but you suspect: A. sinuous vascular disease; B. borer activity(gouty growth); C. galls; D. serpentine leafminers that got lost.____ 6. According to your instructor, most ornamental plant pests can be correctly identified by:A. the damage they leave behind; B. identifying the host plant; C. knowing the time ofyear that the damage occurred; D. all of these together.____ 7. In applying classic IPM principles to urban landscape pests, the main problemencountered is: A. the very large number of plants involved; B. people’s aesthetic valuesof their trees, shrubs and turf; C. monitoring is almost impossible; D. trees, shrubs and turfcost so much more that field crops, therefore, the cost of control never exceeds the valueof the “crop.”____ 8. The primary form of insect nitrogenous waste is uric acid, most likely because: A. urea ishighly toxic; B. ammonia is highly toxic; C. uric acid is essentially water insoluble therebyhelping insects conserve water; D. it is essential for making yellow and brown exoskeletalpigments.____ 9. Which of the following is not normally shed when an insect molts? A. Malphigian tubules;B. foregut lining; C. hindgut lining; D. major tracheal trunk linings.____ 10. Daddy-long-legs are often mistaken for spiders. Daddy-long-legs: A. don’t havepedipalps; B. have the cephalothorax broadly joined to the abdomen; C. always have muchlonger legs that spiders; D. have small chelate pedipalps.Page 2 Name (please print)__________________________ 11. Millipedes normally have: A. diplosegments; B. two pairs of antennae; C. a fang-leg justbehind the head; D. cerci.____ 12. If you were to get bit by a brown recluse spider, you would most likely suffer: A. a short,but painful death!; B. from having a sore caused by the spider’s necrotoxins; C. crampingand muscle spasms from the spider’s neurotoxins; D. absolutely nothing!____ 13. The main reason why most plant care scientists are adopting the concept of Plant HealthCare is: A. that it is the plant that is important; B. to reduce the amount of pesticide usedto maintain urban plants; C. biological control is too difficult to implement; D. to dosomething different!____ 14. Armored scales are especially difficult to control with most pesticides because: A. theyhave an exposed crawler stage present for a short period of time; B. the adults feed onlybetween cells; C. all stages feed within the phloem where the insecticides don’t flow; D. feeding only occurs for a week or two during the season.____ 15. In the cockroach dissection, there were many shiny white tubes running throughout thebody. These tubes, the trachea look like they would easily tangle or pinch off, therebyrestricting air flow. This is not the case because: A. the trachea are lined with an extrarigid form of endoskeleton material; B. there are spiral thickenings, the taenidia, thatprohibit kinking of the tubes; C. the tubes actually run straight from the spiracles to thetissues and don’t actually cross or get bent around; D. none of these, the tubes often getcut off, but there are more tubes to supply the tissues.____ 16. Insect compound eyes generally see: A. a “mosaic image” designed to detect motion; B. all the colors of the human visual spectrum, plus UV and infrared; C. surprisinglyprecise images; D. mainly UV.____ 17. Female katydids are often observed waving their front legs back and forth in a kind ofstrange Tai Chi exercise! They are actually: A. trying to hear males singing in the trees;B. strengthening their leg muscles for mating; C. using this as camouflage; D. strokingtheir heads to make noises.____ 18. While in South Carolina this last week, I saw many pairs of live oak leaves stuck togetherwith silk and each of these paired leaves were obviously skeletonized from within. This islikely the work of: A. a leafroller; B. a leaf folder; C. a webworm; D. a leaftier.____ 19. A cool season spider mite is best controlled: A. in mid-summer when the damage ispresent and aestivating eggs are vulnerable; B. in the spring and fall when temperaturesare between 40 and 70°F; C. whenever sampling shows that the mites are active; D. never!Because biological controls, predators, will always get the mites under control.____ 20. In order to emphasize the importance of thorough coverage of a borer protectantinsecticide, your instructor uses the term: A. prophylactic; B. drench; C. soak; D. “sprayuntil they drop!”Page 3 Name (please print)__________________________ 21. While many caterpillars and sawflies are defoliators, it is important to know which you aredealing with, primarily because: A. they have different life cycles; B. sawflies transform inpupae off of the plant and caterpillars usually remain on the plant; C. some caterpillarschange into endangered butterflies; D. many pesticides kill only one of these groups.____ 22. A new extension agent called to have two scales identified that were intermixed on thesame plant. One was oystershell-shaped and the other one was smaller, thin and white. From this description: A. these are likely the same scale, only female and male forms; B. you would immediately recommend destroying the plants!; C.