Rhinoceros Cockroach vs Thin-neck Cave Beetle

Side-by-side species comparison

Attribute Rhinoceros Cockroach Thin-neck Cave Beetle
Scientific Name Macropanesthia rothi Pseudanophthalmus parvicollis
Order Blattodea Coleoptera
Family Blaberidae Carabidae
Size 50-60mm 4-5 mm
Habitat Grasslands Caves
Diet Detritivores Detritivores
Regions Oceania United States
Conservation Least Concern Endangered

Rhinoceros Cockroach

A large burrowing cockroach related to the giant burrowing cockroach but with a more northern distribution. It is wingless and lives in deep soil burrows. It feeds on leaf litter pulled underground.

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Did You Know?

It digs permanent burrows up to a meter deep and emerges only at night to drag fallen leaves underground.

Thin-neck Cave Beetle

A narrowly endemic cave beetle with a distinctively slender pronotum. It inhabits caves in the Appalachian karst region.

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Did You Know?

Its narrow neck (pronotum) helps it squeeze through tiny fissures in cave rock.