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Click on a photo to see an enlargement.

 

Adult Blow fly image

P. asiovora
Male

Eating.JPG

P. rognesi
larvae attached to back of nestling bank swallow


Larvae.JPG

Protocalliphora
larvae Size range is ~3-15mm (2nd and 3rd instar)

 

LarvaOnBlue.JPG

Third instar larva with empty crop, prepupal stage

 

Mud300.JPG
Engorged Protocalliphora rognesi larvae from a bank swallow nest

 

Nest.JPG

Mountain bluebird Nest with blow fly pupae visible

Pupae.JPG

Protocalliphora occidentalis

pupae encrusted in
the bottom of a mountain bluebird nest

 

Ruler.JPG

P. asiovora
larva and pupa from magpie nest
(in mm)
ScarFace.JPG
Feeding sites on the breast of a nestling magpie from P. asiovora (bloody scabs where larvae fed)
ScarOnFace.JPG

Nestling magpie with P. asiovora larvae in ears and nares
 
     
   
 
     

Terry Whitworth, Ph.D.
Entomologist
2533 Inter Avenue
Puyallup, WA 98372
Phone 253-845-1818
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.