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

Upcoming Events

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

National Moth Week was July 23-31, 2022! See moth submissions.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Previous events


Species Parcoblatta pennsylvanica - Pennsylvania Wood Cockroach

reddish brown 2 - Parcoblatta pennsylvanica Parcoblatta - Parcoblatta pennsylvanica Wood Cockroach - Parcoblatta pennsylvanica A cockroach. ID, please. - Parcoblatta pennsylvanica found over the summer - Parcoblatta pennsylvanica - female P.pennsylvanica Nymphs - Parcoblatta pennsylvanica - male Black wood cockroach - Parcoblatta pennsylvanica Wood Roach? - Parcoblatta pennsylvanica
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Blattodea (Cockroaches and Termites)
Superfamily Blaberoidea
Family Ectobiidae
Subfamily Blattellinae
Genus Parcoblatta (Wood Cockroaches)
Species pennsylvanica (Pennsylvania Wood Cockroach)
Explanation of Names
Parcoblatta pennsylvanica (De Geer 1773)
Can only be positively differentiated from P. divisa by looking under the wings of the adult male. In both species, the structure on the "median segment" just beyond the thorax is a ridge with an overhanging, concave area. In P. pennsylvanica there is a similar ridge on the first abdominal segment as well, whereas there are no unusual structures on the first abdominal segment of P. divisa These two species have significant range overlap. P. pennsylvanica (both sexes) tends to be darker than P. divisa. In females, the dark color contrasts more strikingly with the pale margins of the pronotum (not a reliable character!).
e. NA (QC-ON to GA-TX) (the similar P. divisa, PA-LA)
Life Cycle
Oothecae are deposited by females in moist areas

Tiny nymphs hatch out of the oothecae, and go through multiple instars of development

Adult males and females both have wings, but only males are capable of flight.
Adult males can reach 4 cm long, making this our longest indigenous Ectobiid.
Internet References
Fact sheet[cite:612026]