Tooth Cave Ground Beetle vs American Hoverfly

Side-by-side species comparison

Attribute Tooth Cave Ground Beetle American Hoverfly
Scientific Name Rhadine persephone Eupeodes americanus
Order Coleoptera Diptera
Family Carabidae Syrphidae
Size 0.5-0.7 cm 8-11 mm
Habitat Caves Farmland
Diet Predators Predators
Regions United States North America
Conservation Endangered Least Concern

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.

American Hoverfly

A widespread North American hoverfly with yellow and black markings. Larvae are voracious aphid predators in crop fields.

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Did You Know?

A single larva can consume several hundred aphids before pupating.