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Entomology 401

Entomology 401. Identifying Friends and Foes. Insect biodiversity accounts for a large proportion of all biodiversity on the planet, with over 1,000,000 insect species described. Pests.

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Entomology 401

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  1. Entomology 401 Identifying Friends and Foes

  2. Insect biodiversity accounts for a large proportion of all biodiversity on the planet, with over 1,000,000 insect species described.

  3. Pests Any living organisms which are detrimental, troublesome, noxious, destructive, a nuisance to either plants or animals, human or human concerns, livestock, human structures, wild ecosystems, etc. • Beneficials • Food production • In the United States alone, pollination by bees accounts for over US$9 billion of economic revenue  • Ecological services • Products: honey, shellac, dyes, silk • E.g. Honey bee, silk worm • Predators: Minute pirate bug, Assassin bug, Damsel bug, Green lacewing, Ladybug

  4. Herbivores: Feeds upon living plant material Predator: An animal that feeds upon other animals (prey) that are either smaller or weaker than itself

  5. Those with chewing mouthparts: simply chew up and swallow their victims Herbivores: grasshopper, green clover worm, army worm, etc. Predators: ladybugs, ground beetles, preying mantis, etc. • Those with piercing sucking mouthparts: stick the mouthpart into prey and suck out the body content Herbivores: redbanded stink bug, aphids, white flies Predators: assassin bug, lacewing larvae, syrphid larvae

  6. Chewing Pests

  7. Coleoptera (head)

  8. Cotton Boll Worm

  9. Grasshopper

  10. Boll Damage Adult Boll Weevil Feeding

  11. Cabbage Looper

  12. Tiger beetles http://www.realmonstrosities.com/2012/01/tiger-beetle.html

  13. Hymenoptera : Formicidae

  14. Ladybug

  15. Dragon Fly

  16. Piercing-Sucking & Rasping Pests

  17. Hemiptera (piercing and sucking mouthparts)

  18. Order Hemiptera

  19. Whiteflies Thrips Spider Mites

  20. http://www.youtube.com/watch?v=49dQtrLxkYo

  21. Stink Bugs Lygus Bugs

  22. Damsel bug

  23. Robber fly • They have extremely sharp eyesight and can fly at high speed, catching other insects in mid air. • They have stabbing mouthparts (proboscis) which inject a powerful neurotoxic venom and digestive juices into the victim, liquifying its innards, which the fly sucks afterwards.

  24. Robber Fly

  25. Assassin bug

  26. Bigeyed Bug Nymph Minute Pirate Bug

  27. Predatory stink bugs

  28. Green Lacewing

  29. Mantodea : Mantidae Stagmomantis sp. Tenodera sp. Gonatista sp

  30. Mantodea (thorax) raptorial foreleg

  31. Hymenoptera : Braconidae

  32. Hymenopteran Parasitoids Platygastrid wasp

  33. Parasitoid Eggs

  34. Hymenoptera (biology/ecology)

  35. Syrphid Fly

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