1. Agronomy
Insect
Study guide

2. Alfalfa weevil
Larvae have a distinct white line down the center of their backs and more subtle white lines along each side. Eat vegetative parts - chewing
larva

3. Incomplete life cycle; Pierce plants and suck out fluids
aphides

4. Armyworm larva
Complete life cycle and eat vegetative parts - chewrers

5. Assassin bug
Incomplete, predatory to other insects ( beneficial) pierce and suck out insect’s fluids

6. Bean leaf beetle
Egg – larva – adult; fruit/flower destruction by chewing

7. Blister beetle
Complete life cycle; eat fruit/flower of plant - chewing

8. Boll weevil
Complete life cycle, eats cotton buds and flowers

9. Chinch bug
Incomplete, pircing and sucking – removal of plant fluids

10. Colorado potato beetle
Incomplete, vegetative parts - chewers

11. Corn ear worm larva
Complete, fruit/ flower destruction, chewers

12. Corn rootworm larva
Complete, feed on root hairs, chewers

13. cricket
feed on organic materials, including decaying plant material, fungi, = no economic impact, incomplete

14. Cutworm larva
Complete, eat vegetative parts, chewers

15. European corn borer larva
Feed on vegetative parts, complete

16. Flea beetle
Complete, chew vegetation

17. Grain weevil
Complete, eat fruit/flower ( grain)

18. grasshopper
Incomplete, vegetative chewers

19. Green lacewing
Complete – predatory eat other insects

20. honeybee
Beneficial – no impact

21. Japanese beetle
Complete, eat vegetation

22. Lady beetle larva
Complete, predatory – eat aphids

23. Leaf skeletonizer
Complete – eat vegetative parts

24. leafhopper
Incomplete – pierce and suck plant juices

25. lygus
Incomplete – eat vegetation and immature fruit

26. Mexican bean beetle
Complete – eat vegetation

27. Pink bollworm larva
Complete eat cotton seeds

28. Salt marsh caterpillar/ wooly worm
Complete eat vegetative parts

29. scale
Complete – pirce and suck out juices

30. Spider mite
Incomplete – suck out juices

31. spittlebug
Incomplete – suck plant juces

32. Spotted cucumber beetle/ southern corn rootworm beetle
Complete and chew vegetative parts

33. stinkbug
Incomplete – eat vegetative parts

34. Tobacco/tomato hornworm larva
Complete – eat vegetative parts

35. Western corn rootworm beetle
Complete – eat corn, silk and kernels

36. Western flower thrip
Complete eat flowers and buds

37. White grub
Complete eat roots

38. whitefly
Incomplete – suck out plant juices

39. wireworm
Complete – feed on roots