Ent 462 Name ________________________2 June 2008Final Exam - 2008Multiple Guess. Select the BEST answer that completes the sentence or answers the question. Remember that your first guess is usually the best! Actually, there are probably only two answers thatmay fit, so you have to decide which of these two is best. Good Luck!____ 1. I’ve been invited to give a talk on turfgrass insects in Spain this fall. Which of the followingpests will I not have to talk about? A. white grubs; B. European crane flies; C. billbugs; D. annual bluegrass weevil.____ 2. A friend called you complaining that they had some "caterpillars" eating the leaves of their oaktree. They wanted to know if they would turn into butterflies or moths, but you stated that theymay also transform into: A. wasp-like insects; B. beetles; C. caddisflies; D. flies.____ 3. Some leaves from a rhododendron were sent to you to identify a pest problem. The leaf edgeshad several slightly irregular notches on them. From this damage, you can state that the pest ismost likely: A. a butterfly larva; B. a weevil adult of some sort; C. a skeletonizer; D. a sawflylarva.____ 4. The mimosa webworm is called this because the larvae feed on mimosa and honeylocust andthey: A. make a nest of silk which included leaves; B. form a sheet web over the bark; C. build a tent of silk at the base of the tree; D. make orb webs, like some spiders.____ 5. While walking in the park, you noticed that one of the oak trees had many of its leaves rolledinto cylinders and inside each cylinder was a tiny green caterpillar-like insect. From thisdescription, you would look in a book on tree insect pests under "oak" and: A. "borer"; B. "leafminer"; C. "defoliators"; D. "leafroller."____ 6. A pine tree suddenly turned brown and had some large, ROUND, emergence holes in the trunk. From this, you can likely deduce that the cause of the tree death was: A. roundheaded borers; B.a flatheaded borer of some sort; C. mass attack by bark beetles; D. none of these, the emergenceholes are from an insect that feeds in the heartwood!____ 7. In order to accurately identify a skeletonizer to species, you would need to know: A. details ofthe skeletonizing (e.g., fine, coarse, upper or lower surface); B. time of year that the damageoccurred; C. plant species; D. all of these!____ 8. We often tell people to pull off bagworm bags and step on them. This kind of control techniquewould fall into: A. cultural control; B. chemical control; C. biological control; D. bio-basedcontrol.____ 9. A “typical” aphid is: A. ovoviviparous; B. parthenogenic; C. oviparous &bisexual; D. all ofthese during different times of the year!Name ____________________________10. Bacillus thuringiensis (BT) products are often called "biological controls." However, they arereally: A. an insect pathogen; B. biobased products; C. no different than a synthetic insecticide; D. parasitoids. ____11. The lower leaves of a plant were covered with a dark gray-black, velvet-like material. This wasmost likely caused by: A. a phloem feeding insect; B. leafminers; C. a fungal pathogen; D. anyone of these.____12. The 4.25-inch diameter cup changer is a convenient tool for sampling billbug larvae and whitegrub larvae. You can easily calculate the number of larvae using this tool by: A. loading yourcalculator with the BugDoc conversion program; B. taking the average and moving the decimalpoint one place to the right (e.g., times 10); C. multiplying by 9 and dividing by 5; D. adding 2.____13. The vast majority of insect and mite galls are: A. caused by sucking pests; B. caused bychewing pests; C. caused by "good" parasites; D. potentially lethal and need controls.____14. We often recommend spraying a surface insecticide when Vanhoutte spirea is in bloom to killblack turfgrass ataenius adults before they lay eggs. This method of application uses: A. plantsequential development; B. phenology; C. IPM sampling and monitoring; D. degree-dayaccumulations.____15. Bluegrass billbugs lay their eggs by: A. scattering them in the thatch; B. attaching them to leafblades; C. chewing a hole in grass stems, then squeezing an egg into the hole; D. digging intothe soil where it is moist.____16. Billbugs cause their most significant damage to cool-season turf when: A. a drought occurs inearly June through early July; B. we have a dryer than normal winter: C. we have good soilmoisture in June and July, at egg laying time; D. we don’t mow off the seed heads in May.____17. Probably the best cultural control technique to manage the bluegrass billbug, sod webwormsand the hairy chinch bug is: A. use entomopathogenic nematodes; B. overseed or useendophytic grasses; C. irrigate on a daily basis; D. core aerify and top dress every spring.____18. Bluegrass billbugs and hairy chinch bugs generally overwinter in the turf. Which of thefollowing insects also generally overwinters in the turf? A. hunting billbugs; B. annualbluegrass weevil; C. sod webworm larvae; D. black turfgrass ataenius adults.____19. Annual bluegrass weevil adults were recently found to be resistant to Talstar (a pyrethroid) inparts of New England. This is most likely because: A. Talstar was applied multiple times in asingle season; B. weevils often become resistant; C. the larvae are difficult to reach with asurface application; D. Talstar has a very long residual action.____20. Finding tarspots on the underside of a plant leaf suggests: A. lace bug attack; B. plant bugattack; C. an attack by thrips; D. all of these.Name ____________________________21. Once leaf mines turn brown, which type of insecticide should be used? A. translaminarsystemic; B. translocated systemic; C. contact poisons; D. wait until the next generation!____22. The main predictor of white grub increases and decreases for any given year is: A. mildwinters; B. early springs that are a bit dryer than normal; C. length of mild summertemperatures; D. soil moisture in late June into early August.____23. Small mounds of Japanese beetle adults were observed each afternoon in a home lawn fornearly a week. These are caused by: A. pheromones; B. wet spots; C. thatchy areas of the lawn; D. doggy urine spots.____24. Green June beetle grubs are easily identified by their raster pattern, but they can also beidentified by their: A. dark color; B. hairy head capsules; C. large size; D. unique mode oflocomotion.____25. A home owner decided to expand their flower garden by digging up an area of their turf in