Phthiria pulicaria

Phthiria pulicaria is a species of ' bee flies' belonging to the family Bombyliidae. It is a Palearctic species with a limited distribution in Europe

Description
A tiny beefly 4-4.5mm long. "Scutellum all black or at the utmost with a yellow spot at its tip. Frons strongly prominent. Wings with the third posterior cell rather contracted towards the wingmargin."

Biology
Found on bare patches of sand amongst short herbage near coast sand-hills.