Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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Upcoming Events

Discussion of 2018 gathering

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington


Species Laphria grossa

Great Bee Mimic - Laphria grossa - male Great Bee Mimic - Laphria grossa - male Laphnia champlainii lunching on Typocerus deceptus - Laphria grossa Laphria thoracica - Laphria grossa Bee mimic robber fly?  - Laphria grossa Robber Fly - Laphria grossa carpenter bee mimic fly - Laphria grossa Laphria grossa
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Orthorrhapha)
Superfamily Asiloidea
Family Asilidae (Robber Flies)
Subfamily Laphriinae
Genus Laphria (Bee-like Robber Flies)
Species grossa (Laphria grossa)
Explanation of Names
Laphria grossa (Fabricius 1775)
23-35 mm(1)
a mimic of a Bombus (Psithyrus); suggested models: B. citrinus, B. vagans, B. impatiens, depending on the amount of yellow on the abdomen; in the southern portions of the range, specimens have more yellow on the abdomen and resemble B. pensylvanicus.(2)(1)
e. US (ME-FL to KS-MS) & QC(3)
deciduous forests; adults often near large stumps(1)
in NC: (May), Jun-Jul(4)
Internet References