Bird Blow Fly - Photos

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P. asiovora Male		P. rognesi larvae attached to back of nestling bank swallow
Protocalliphora larvae Size range is ~3-15mm (2nd and 3rd instar)		Third instar larva with empty crop, prepupal stage
Engorged Protocalliphora rognesi larvae from a bank swallow nest		Mountain bluebird Nest with blow fly pupae visible
Protocalliphora occidentalis pupae encrusted in the bottom of a mountain bluebird nest		P. asiovora larva and pupa from magpie nest (in mm)
Feeding sites on the breast of a nestling magpie from P. asiovora (bloody scabs where larvae fed)		Nestling magpie with P. asiovora larvae in ears and nares

Terry Whitworth, Ph.D.
Entomologist
3707 96th ST E
Tacoma, WA98446
Phone 253-531-7925
email: twhitworth@birdblowfly.com

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all content copyright © 2012 by Terry L Whitworth except as noted.

Portions of images by Joseph Berger (blowfly in header), John Triana (wren nest in title background), and Whitney Cranshaw (fly on wall), used by permission of www.insectimages.org.