Surinam cockroach

Scientific Name: Pycnoscelus surinamensis

Order & Family: Order: Blattodea; Family: Blaberidae

Size: Typically 18-25 mm (0.7-1.0 inch) in length.

Surinam cockroach

Natural Habitat

Commonly found in humid, tropical environments, often in gardens, under logs, or in mulch and leaf litter.

Diet & Feeding

Omnivorous; feeds on decaying organic matter, plant materials, and sometimes can be a minor pest to greenhouse plants.

Behavior Patterns

Nocurnal insects that are burrowing in nature; this species is notable because populations in many areas are parthenogenetic, meaning females reproduce without males.

Risks & Benefits

Generally considered a nuisance pest in gardens and greenhouses; no significant health risks to humans, though they can carry parasitic worms like the eye-worm (Oxyspirura mansoni) which affects poultry.

Identified on: 5/13/2026