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


Genus Blattella

Cockroach - Blattella germanica Blattella germanica? - Blattella germanica - female Face  - Blattella asahinai Unidentified Female Cockroach with Egg Case (Blattella) - Blattella vaga - female Blattella germanica Which one? - Blattella vaga Blatella nymph - Blattella germanica Female, German Cockroach and ootheca? - Blattella germanica - female
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Blattodea (Cockroaches and Termites)
Superfamily Blaberoidea
Family Ectobiidae
Subfamily Blattellinae
Genus Blattella
Explanation of Names
Blattella Caudell 1903
'little Blatta'
3 spp. (all adventive) in our area, >50 spp. total(1)
among our spp.,
The German Cockroach (B. germanica) is by far the most common:
The Asian Cockroach (B. asahinai) has a more slender body and more grey tones to its wing color. The pronotum colors more contrasting than in B. germanica, and the lateral edges of the abdomen are pale, although this is often obscured by the wings:

The Field Cockroach (B. vaga) is not afraid of light and flies readily, unlike the German Cockroach. They look very similar, but a view of the face will reveal a dark area between the eyes and mouthparts that is not present in the German Cockroach: