Microsoma exiguum is a species of fly in the family Tachinidae. It is a parasitoid of Sitona.

Distribution

British Isles, Czech Republic, Hungary, Moldova, Poland, Romania, Slovakia, Ukraine, Finland, Sweden, Bulgaria, Croatia, Greece, Italy, Portugal, Slovenia, Spain, Turkey, Austria, Belgium, France, Germany, Netherlands, Switzerland, Japan, Iran, Israel, Palestine, Russia, Transcaucasia.