Life history observations of Thrypticus (Diptera: Dolichopodidae)

As part of his investigations into endophagous insects in the Upper Midwest, USA, JvdL has encountered Thrypticus (Diptera: Dolichopodidae) in association with several grasses (Poaceae). The report linked to below contains a summary of these findings. Larvae of various ages are documented with photos and notes, along with the feeding sign they leave behind in culms of their hostplants. Pupae or pupal exuviae and adults from some hosts are shown as well. An annotated list of known hostplants for the genus is also provided.

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