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Myathropa florea · žiedmusė

EN · batman hoverfly DE · Totenkopfschwebfliege, Gemeine Dolden-Schwebfliege PL · kwiatówka zmierzchnicowata

https://en.wikipedia.org/wiki/Myathropa_florea Larvae feed on bacteria in organic waterlogged detritus, often in the shallow rot holes of tree stumps.