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Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

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TaxonomyBrowse
Info
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Genus Trichogramma

Tiny Wasp - Trichogramma - female Are these wasps? Trichogrammatidae? - Trichogramma Are these wasps? Trichogrammatidae? - Trichogramma Trichogrammatid - Trichogramma - female Tiny Wasp - Trichogramma Wasp - Trichogramma Wasp - Trichogramma Trichogramma sp. - Trichogramma - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Parasitica" (parasitic Apocrita))
Superfamily Chalcidoidea (Chalcidoid Wasps)
Family Trichogrammatidae
Genus Trichogramma
Numbers
66 spp. in our area, >220 worldwide(1)
Food
Endoparasitoids of insect eggs. Over 200 species of moths. Among them some pests: the rice and corn stem borer, cabbageworm, tomato hornworm,Heliotis and Helicoverpa species, codling moth, cutworm, armyworm, webworm, cabbage looper, fruit worms, and sugarcane borer.
Life Cycle
Female examines the host's eggs by antennal drumming. Then perforates them with her ovipositor and lays an egg. She usually stays on or near the host eggs
Remarks
member of the subfam. Trichogrammatinae that includes ~80 spp. in 13 genera in our area and TBA spp. in ~40 genera worldwide(1)
Trichogramma ostriniae has been introduced as a biocontrol of Asian corn borer, Ostrinia furnacalis.
Trichogramma evanescens has been introduced as biocontrol of the cabbage butterfly Pieris rapae.
Internet References