robber fly (Asilus sericeus) male at Cardinal Marsh IA 854A8263

            This large robber fly with its rich brown coloration really gets your attention out in the field. Look for it in wet meadows near woodlands during June. One entomologist called this robber fly the butterflyhunter since it almost always preys on butterflies and moths. Interestingly, it ignores butterflies as long as they are sitting on flowers and feeding, but when they take flight the butterflyhunter quickly catches them and takes them down even though the butterflies are often much bigger.
   

Taken in: United States / Iowa / Vernon Springs Township / Vernon Springs (show map)

Taken on: June 18, 2023

Tags:

robber

fly

sericeus

male

Cardinal

Marsh

Winneshiek

County

Iowa

Larry

Reis « less

Camera: Canon EOS 7D Mark II, f/3.2, 1/400 sec, 100mm, ISO 400 (more info) (hide info)

Camera:	Canon EOS 7D Mark II
Aperture:	f/3.2
Exposure Time:	0.003 sec (1/400)
Focal Length:	100mm
ISO:	400
Exposure Bias:	+1 EV
Flash:	Off, Did not fire
Exposure Program:	Shutter speed priority AE
Exposure Mode:	Auto
Metering Mode:	Multi-segment
White Balance:	Manual
Color Space:	sRGB
Show full info

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