Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

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

TaxonomyBrowse
Info
ImagesLinksBooksData

Genus Blatta

What is it? - Blatta orientalis Ecdysis - Blatta orientalis Cockroach with ootheca - Blatta orientalis - female Help identify this strange bug! - Blatta orientalis - female Odd-looking roach - Blatta orientalis Wood Roach Sp. - Blatta orientalis Presidential cockroach - Blatta orientalis - male Florida Woods Cockroach? - Blatta orientalis
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Blattodea (Cockroaches and Termites)
Superfamily Blattoidea
Family Blattidae
Genus Blatta
Identification
Only two species from this genus are found in North America. The most common is the Oriental Cockroach (Blatta orientalis). As adults, the male has wings that cover about 2/3 of the abdomen:


The Oriental Cockroach adult females have very small wings that do not touch in the middle:


The Turkistan cockroach (Blatta lateralis) adult females can be easily differentiated by the presence of white stripes along the side of the thorax:


The males do not look much like Oriental Cockroach males, but also have the lateral white stripes:


A species that is often confused with the Oriental Cockroach is the Florida Woods Cockroach (Eurycotis floridana), which has very small wings (like Oriental Cockroach females) but these wings touch in the middle of the back: