Blera eoa explained

Blera eoa is a species of hoverfly normally associated with pine trees in Northern Sweden and Siberia. It is very similar to Blera fallax, except that its abdomen is all black.^{[1] [2]}

The larvae, typical rat-tailed maggots, normally develop in damp rot holes of felled or felled pine trees.^[1]

Distribution

Russia, Sweden.

Notes and References

1. Book: Van Veen, M.P. . Hoverflies of Northwest Europe, Identification Keys to the Syrphidae . hardback . 2004 . KNNV Publishing . Utrecht . 90-5011-199-8 . 254 .
2. Pettersson. Roger B.. Bartsch. Hans D.. 2001. Blera eoa (Stackelberg, 1928), en ny stubb-blomfluga för Europa (Diptera, Syrphidae). Natur i Norr, Umeå. 20. 91–96. Institutionen för ekologi, miljö och geovetenskap. sv. PDF Adobe Acrobat.