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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 Pycnoscelus surinamensis - Surinam Cockroach

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Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Blattodea (Cockroaches and Termites)
Superfamily Blaberoidea
Family Blaberidae
Genus Pycnoscelus
Species surinamensis (Surinam Cockroach)
Other Common Names
Surinam roach
Adults to about 20mm.
Adults with pale leading edge on the dark brown to black pronotum. Wings olive-green to brown, entirely cover the abdomen:

Nymphs are typically dark brown in coloration and have no noticeable patterns or markings on the exoskeleton. The nymphs are also easily recognizable compared to some other Blaberid nymphs, due to the smooth appearance of the head, thorax and upper abdomen segments, and rough, matte appearance of the last few abdominal segments. However, it is worth noting that Panchlora nivea nymphs also have a similar appearance:
Reported in Texas, Louisiana and Florida. Native to humid tropics worldwide, and elsewhere in the US may also be a pest of greenhouses and other indoor areas where tropical plants are grown .
Reproduces through parthenogenesis in the US, where no males are found. It has two sexes in some parts of the world (Europe and Indo-Malaysia), though. Unlike many roaches, the egg capsule is retained inside the female's abdomen until young are ready to emerge: