Upper Midwest Stem Insect Survey

Stem borer (Diptera: Dolichopodidae) in Elymus

Record Details

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Record no.:0207, 0211, 0635
Feeding guild:Stem borer
Taxonomy:Diptera: Dolichopodidae: Thrypticus sp.
Stages observed:trace, larva, pupa, adult
Distribution observed:IA
Hosts in Elymus:E. repens (quackgrass); undetermined E. sp. (wild rye); tentative ID; E. virginicus (Virginia wild rye)

For information and photos on this insect, see Host associations, feeding traces, larval morphology, and other observations on the life histories of culm borer flies in the genus Thrypticus (Diptera: Dolichopodidae) from the Upper Midwest, USA.

Page created: March 16, 2026. Last update: none