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Common Insects and Their Management

This comprehensive guide outlines effective management strategies for various common garden insects, including grasshoppers, thrips, elm leaf beetles, box elder bugs, and more. Key management techniques include utilizing natural enemies, cultural control methods, physical barriers, and chemical controls tailored to each pest. Noteworthy strategies encompass maintaining green borders, using reflective mulches, and allowing some damage to tolerate pest populations. Understanding effective pesticide options, including neem and carbaryl, is crucial for managing insect populations while minimizing ecological impact.

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Common Insects and Their Management

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  1. Common Insects and Their Management Jeff Schalau Associate Agent, Ag. & Nat. Res. University of Arizona Cooperative Extension Yavapai County

  2. Grasshoppers

  3. Grasshopper Management • Natural Enemies • Poultry • Cultural Control • Maintain green border • Physical barriers • Chemical Control • Baits and sprays containing carbaryl • Nolo Bait (Nosema locustae) not effective

  4. Thrips

  5. Thrips Management • Natural Enemies • Minute Pirate Bug, predaceous mites • Cultural Control • Control weeds, high pressure hose, remove old flowers, row covers, reflective mulch, be patient • Chemical Control • Neem, systemics (Orthene, Merit) on non-edible crops

  6. Elm Leaf Beetle

  7. Elm Leaf Beetle Management • Natural Enemies • Black Tachnid Fly (marginally effective) • Cultural Control • Tolerate some damage • Chemical Control • Bark banding with carbaryl • Bt var. tenebionis • Neem • Systemics

  8. Box Elder Bug

  9. Box Elder Bug Management • Natural Enemies • None known • Cultural Control • Eliminate host trees • Screen windows, caulk, weatherstrip • Chemical Control • Not recommended-nuisance insect

  10. Cypress Bark Beetle

  11. Cypress Bark Beetle Management • Natural Enemies • ??? • Cultural Control • Irrigate susceptible species to maintain vigor • Chemical Control • Trunk sprays containing carbaryl

  12. Pitch Moth

  13. Pitch Moth Management • Natural Enemies • None known • Cultural Control • Irrigate susceptible species to maintain vigor • Phyisical control • Chemical Control • None

  14. Spider Mite

  15. Spider Mite Management • Natural Enemies • Predatory mites, minute pirate bugs, lacewings, bigeyed bugs • Cultural Control • Avoid dust build up with high pressure hose • Chemical Control • Soaps/oils, miticides in extreme cases

  16. Blister Beetles

  17. Blister Beetle Management • Natural Enemies • None (but they eat grasshopper eggs) • Cultural Control • Physical barriers • Chemical Control • Carbaryl, malathion, stomach poisons

  18. Agave Snout Weevil

  19. Agave Snout Weevil Management • Natural Enemies • None known • Cultural Control • Remove and destroy infested plants • Chemical Control • Put in mescal bottles

  20. Flea Beetles

  21. Flea Beetle Management • Natural Enemies • Parasitic wasps • Cultural Control • Control weeds • Row covers on vegetables • Chemical Control • Carbaryl • Malathion • Acephate

  22. Corn Citrus Grasshoppers

  23. Grass Hopper Management • Natural Enemies • Birds, Guineas, Chickens • Nosema locustae • Cultural Control • Physical Barriers (screens, row covers) • Chemical Control • Carbaryl • Neem • Acephate for ornamentals

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