Central American Glowworm Beetle vs Pacific Seashore Rove Beetle

Side-by-side species comparison

Attribute Central American Glowworm Beetle Pacific Seashore Rove Beetle
Scientific Name Phengodes hidalgoensis Cafius canescens
Order Coleoptera Coleoptera
Family Phengodidae Staphylinidae
Size 10-15 mm 5-7 mm
Habitat Mountains Beaches & Coastal
Diet Predators Predators
Regions North America, Mexico Pacific coast of North America, Hawaii
Conservation Least Concern Least Concern

Central American Glowworm Beetle

A Mexican glowworm beetle with males possessing large feathery antennae and short elytra. The larviform females produce greenish-yellow bioluminescence from lateral light organs.

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Did You Know?

Phengodidae are found only in the New World, from southern Canada to South America, making them a uniquely American family.

Pacific Seashore Rove Beetle

A small, grayish-pubescent rove beetle found along the Pacific coast of the Americas under kelp and seaweed deposits. It is an important predator of seaweed fly larvae on beaches.

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Did You Know?

This species has colonized the remote Hawaiian Islands, likely arriving on floating mats of kelp and seaweed across the Pacific Ocean.