Solva marginata, also known as the drab wood-soldierfly, is a species of soldier fly in the family Xylomyidae, the "wood soldier flies".[1]
The body is mostly blackish. The tip of the thorax has some bright yellow markings. The abdomen has pale, narrow bands, and bright yellow markings. It has short, multi-segmented antennae, and looks similar to the sawfly.[1]
Austria, Belgium, China, Denmark, England, France, Germany, Mongolia, Netherlands, Poland, Russia, Sweden, Ukraine.This species is widespread in the United Kingdom, but considered scarce and uncommon. It is found mostly in specific local areas in southeast England, East Anglia and East Midlands.[1]
This fly is associated with the poplar tree.[2] The larvae live under bark, feeding on rotting wood.[1]