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Calendar
BugGuide Gathering
Pack Forest
Washington State
July 10-12, 2009
Details...

Photos from the 2008 gathering in Tennessee
 
Photos from the 2007 gathering in Minnesota

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Species Pollenia rudis

Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Calyptratae)
Superfamily Oestroidea
Family Calliphoridae (Blow Flies)
Genus Pollenia (Cluster flies)
Species rudis (Pollenia rudis)
Identification
Adults are slightly larger than house flies (Musca domestica), dull grey with black markings and golden-yellow hairs on thorax. The hairs are more numerous on the underside, near the legs.
Range
Life Cycle
The immature stages, eggs and larvae, are are seldom seen because they are deposited on the soil and they burrow into earthworms which they parasitize. Maggots are cream colored, elongated and wedge shaped.
Remarks
They are thought to be from Europe and that they may have found their way to America in the ballast of ships containing soil.