Tooth Cave Ground Beetle vs Black Periplaneta Cockroach

Side-by-side species comparison

Attribute Tooth Cave Ground Beetle Black Periplaneta Cockroach
Scientific Name Rhadine persephone Periplaneta atra
Order Coleoptera Blattodea
Family Carabidae Blattidae
Size 0.5-0.7 cm 25-35 mm
Habitat Caves Caves
Diet Predators Herbivores
Regions United States West and Central Africa
Conservation Endangered Not Evaluated

Tooth Cave Ground Beetle

A tiny eyeless ground beetle found only in a few limestone caves near Austin, Texas. It is a specialized predator of other cave invertebrates.

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Did You Know?

It is completely blind and has never been found outside of the total darkness of cave systems.

Black Periplaneta Cockroach

A dark black cockroach from tropical Africa with a shiny exoskeleton. It is less commonly encountered than its cosmopolitan relatives.

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Did You Know?

Its uniformly jet-black coloring distinguishes it from all other Periplaneta species.