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‘Good Bugs’ Out In Fields (07/27/17)

While scouting, it is easy to find many ‘good bugs’ in fields, especially fields with aphid infestations.

Good Bugs’ Out In Fields

While scouting, it is easy to find many ‘good bugs’ in fields, especially fields with aphid infestations. Here’s some highlights on ‘good bugs’ seen. Match up the numbers with names.

  • Lacewing larva – Predator, look like an alligator with mandibles, <1 inch, pink to brown
  • Syrphid fly larva – Predator, sluglike larvae, about ¾ inch long, yellow, green or brown
  • Lady beetle larva – Predator, black with orange/red spots, body often has spines
  • Ambush bug – Predator, large raptorial forelegs for grapping prey in flowers/plants
  • Parasitoid – Parasitized dead aphid called ‘mummy’ from tiny beneficial wasps, looks like a balloon, green, brown to black mummies

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Janet J. Knodel

Extension Entomologist

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