Criorhina ranunculi · žiedmusė
- Large Bear Hoverfly
- Große Pelzschwebfliege
https://en.wikipedia.org/wiki/Criorhina_ranunculi The larvae develop in the damp rotting roots and low heart-rot of mature trees (perhaps especially oaks), and females can sometimes be seen investigating the bases of such trees to oviposit or resting on tree trunks.
det. Erikas Lutovinovas 2383