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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 Periplaneta fuliginosa - Smoky Brown Cockroach

Cockroach - Periplaneta fuliginosa Periplaneta  - Periplaneta fuliginosa - female Roach - Periplaneta fuliginosa Smoky Brown Cockroach - Periplaneta fuliginosa Periplaneta fuliginosa - male Periplaneta fuliginosa - female Black body with 2 white stripes - Periplaneta fuliginosa Smoky Brown Cockroach Nymph - Lateral Dorsal  - Periplaneta fuliginosa
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Blattodea (Cockroaches and Termites)
Superfamily Blattoidea
Family Blattidae
Genus Periplaneta
Species fuliginosa (Smoky Brown Cockroach)
Explanation of Names
Periplaneta fuliginosa (Serville 1839)
These large, dark brown cockroaches are most easily distinguished from the other species of Periplaneta found in the US by the lack of any pattern on the pronotum. Other characteristics that differentiate this species from the others of this genus can be found on the Periplaneta page.
Late instar nymphs can be very difficult to differentiate from some specimens of Oriental Cockroach, particularly older specimens that have developed a dark brown hue rather than the typical pure black coloration.
so US
Life Cycle
Ootheca are dark brown, larger than the American Cockroach ootheca, and more similar to the ootheca of the Australian and Brown Cockroaches. They can be differentiated from the two species by the presence of a blunt point on one side of the ootheca.
Early instars are black insects with characteristic white markings on the distal antenae, proximal antennae, thorax and abdomen: