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Trichogrammatid from alderfly egg - Trichogramma - female

Trichogrammatid from alderfly egg - Trichogramma - Female
Belchertown, Hampshire County, Massachusetts, USA
June 21, 2011
Size: 0.33 mm
I'm guessing this is Trichogramma semblidis. More photos and info here.

Comment from John D. Pinto: "It is not possible to give a definite ID to this wasp. T. semblidis - as suggested - may be correct since that species has been previously taken from Sialis eggs. However, we have minimal knowledge of host range for many species of Trichogramma - and there are others besides semblidis occurring in aquatic habitats. One requires slide-mounted males to be sure of species."

Moved from Trichogrammatidae.

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