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Information, insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

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Genus Blattella

German or Brown-banded? - Blattella germanica Unknown cockroach and nymph. - Blattella germanica German Cockroach nymph? - Blattella germanica Cockroach - Blattella vaga German Cockroach? - Blattella germanica Field Cockroach? - Blattella vaga - female Blattella vaga cockroach - Blattella germanica
Classification
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'
Numbers
3 spp. (all adventive) in our area, >50 spp. total(1)
Identification
among our spp.,
B. germanica:

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:

B. vaga, unlike B. germanica, is not afraid of light, flies readily, and has dark frons: