IMG_3481

IMG_3481

Observation - IMG_3481 - UK and Ireland. Description: (Parasitic?) wasp/fly? Using its tongue to create a gel-like covering over the mud cap of a mason bee nest. 10mm with small but distinct yellow patches at the base of its wings and leg joints. Very faint stripes on its abdomen

(Parasitic?) wasp/fly? Using its tongue to create a gel-like covering over the mud cap of a mason bee nest. 10mm with small but distinct yellow patches at the base of its wings and leg joints. Very faint stripes on its abdomen