Cowpea Weevil vs Pale-bordered Field Cockroach

Side-by-side species comparison

Attribute Cowpea Weevil Pale-bordered Field Cockroach
Scientific Name Callosobruchus maculatus Pseudomops septentrionalis
Order Coleoptera Blattodea
Family Chrysomelidae Ectobiidae
Size 2-4 mm 10-15mm
Habitat Farmland Farmland
Diet Seed Feeders Herbivores
Regions Africa (native), pantropical, cosmopolitan North America
Conservation Least Concern Least Concern

Cowpea Weevil

A small, reddish-brown to dark beetle with mottled elytra and a prominent pygidium bearing two dark spots. It is one of the most destructive pests of stored cowpeas and other pulses.

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Did You Know?

Females glue their eggs directly onto the surface of bean seeds, and the larvae bore into the seed immediately upon hatching.

Pale-bordered Field Cockroach

A small outdoor cockroach with a distinctive pale border around its dark pronotum. It is an active daytime flier unlike most cockroaches. It feeds on pollen and decomposing vegetation.

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Did You Know?

Unlike most cockroaches, it is diurnal and can be seen actively flying in sunny fields during the day.