Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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Calendar
BugGuide Gathering
Smoky Mountains
University of Tennessee Biological Field Station
August 8-10, 2008
Details...
 
Photos from the last gathering (Minnesota 2007)

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Genus Holcocephala

Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Orthorrhapha" (Brachycera excluding Aschiza and Schizophora))
Superfamily Asiloidea
Family Asilidae (Robber Flies)
Subfamily Trigonomiminae
Genus Holcocephala
Explanation of Names
From Greek holco a furrow, trail (1) plus Greek cephala head.
Numbers
Three species in the US. fusca, calva and abdominalis.
Size
These are small robbers, all less than 10mm.
Identification
The very widely spaced eyes almost eliminates all other genera in the US.
Range
All three species are eastern and this includes most of the eastern states.
Habitat
Grassy open areas near woods.
Season
Mid to late summer.
Food
Gnats and small flying prey.
Works Cited
1.Dictionary of Word Roots and Combining Forms
By Donald J. Borror