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For Insects, Spiders & Their Kin
For the United States & Canada
Photo#334437
Microstylum morosum - female

Microstylum morosum - Female
Caney Mountain Conservation Area, Long Bald Natural Area, Ozark County, Missouri, USA
July 26, 2009
Size: ~35-40mm
Extremely wary, rarely allowing me to approach within 12 feet no matter how cautiously and slowly I moved. I followed her repeated long, loping escape flights until I was able to get a few shots and she disappeared for good. A new state record for Missouri.

Full story at at my website: North America's largest robber fly. ID confirmed by Herschel Raney and Eric Fisher (thanks!).

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Microstylum morosum - female Microstylum morosum - female