Istocheta aldrichi is a species of fly in the family Tachinidae.

Originally from Japan, it has been introduced in North America in 1922 as a biocontrol to combat the Japanese beetle (Popillia japonica).

Larvae pupate inside the host beetle after hatching from an egg laid on the beetle's pronotum.

[3][4][5] Canada, United States, Japan, Korean Peninsula, Russia, Taiwan.

This article related to members of the fly tribe Blondeliini is a stub.