Premaphotos / Lesser bee fly (Bombylius minor) female hovers and flicks her tiny white egg into the open burrow of a Bee-killer wasp (Philanthus triangulum), UK
01193835
Premaphotos / Square-spot drone fly, a hover fly (Eristalis nemorum) emitting a shrill whine with his wings as he hovers in courtship over a female, UK
01185067
Premaphotos / Square-spot drone fly, a hover fly (Eristalis nemorum) male emitting a shrill whine with its wings as it hovers in courtship over a female, UK
01185031
Premaphotos / Square-spot drone fly, a hover fly (Eristalis nemorum) emitting a shrill whine with his wings as he hovers in courtship over a female, UK
