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Exam (Mark the correct bubble ( X ) 70 % is passing for 1 Hr. CEU )
Part of On-Line Tim Braun Pesticide Seminar (928) 726-8958 e-mail tbraun783@aol.com
1. The 3rd and fourth instars of the Sweerpotatoe Whitefly nymph have ( ) yellowish scale like
bodies. ( ) red eyespots. ( ) white scale like bodies with pink eyespots.
2. Field Crickets feed ( ) at night ( ) at night and during the day. ( ) from dusk to dawn.
3. When Rove beetles are excited they elevate their abdomens taking on the appearance of
( ) Stink bugs. ( ) Ground beetles. ( ) scorpions.
4. Wireworms can last for several years in the soil in their ( ) beetle adult stage.
( ) hibernating pupal stage. ( ) beetle larval stage.
5. If the average number of wireworm larvae collected in all bait stations located in the field average
( ) one ( ) two ( ) three or more per bait station, the economic threshold has been exceeded and
treatment is justified.
6. Cutworm adults will also lay their eggs on any ( ) clods of dirt sticking up in the field.
( ) form of organic matter. ( ) cement chunks or drip line tubes.
7. The beet army worm moth has grayish brown forewings and a ( ) pale spot in the mid front
margin ( ) black spot in the mid front margin. ( ) pale brown spot in the mid front margin.
8. The young beet armyworm larvae will spin a web over them on the underside of the leaf
( ) after they have fed for awhile. ( ) when they first start feeding. ( ) when they pupate.
9. The Salt Marsh Caterpillar larvae are ( ) 1 inch ( ) 2 inces ( ) 3 inches long with yellowish
brown bodies covered with red and black hair.
10. As the leafminor larvae mine through the leaf they leave a trail of ( ) clear epidermal tunnels
( ) feeding paths ( ) their fecal matter that forms easily identifiable lines throughout the leaf.
11. The cabbage looper moth lays single dome shaped eggs on the ( ) top of leaves.
( ) tender terminal leaves. ( ) under side of leaves.
12. Thrips eggs are laid ( ) on plant tissue ( ) on new plant leaves ( ) in plant tissue
and hatch in 2 to 7 days.
13. Researchers say that if 3-5 thrips are found on a plant there are probably ( ) 3 times as many
( ) 4 times as many ( ) 5 times as many hidden in the folds in the leaves.
14. Usually this damage is evident after the thrips population ( ) is doing economic damage and
control is required. ( ) has reached its peak and does not require treatment. ( ) has ruined
the crop and treatment is too late.
15. Adjoining fields with crops that are near maturity or have been harvested ( ) are good insect
trap fields that can be treated. ( ) a source of seedling insects. ( ) should be monitored for
insects.
16. Alfalfa can be rotated with other crops to reduce ( ) seed corn maggots. ( ) wireworm
infestations. ( ) sugar beet army worm infestations.
17. Waiting for soils to warm up has always been an excellent ( ) way to getting seedling plants
growing. ( ) cultural control of seedling insect damage. ( ) form of biological control.
18. There are several predators that work on cabbage looper these include ( ) lacewing and big eye
bugs. ( ) Lady beetles and assassin bugs. ( ) the wasps and a nuclear poluhidrosis virus.
19. Adding insecticides to the sprinkler system or applying pesticides by air after the water is shut off
on irrigated fields are control methods used ( ) on cutworms. ( ) on beetles and cricket.
( ) on salt marsh caterpillars.
20. Admire is very sensitive to ultra-violet light and has a half life of ( ) two hours ( ) four hours
( ) 6 hours in direct sunlight. Your Signature_________________________Date___________