Broad Scarlet vs Tooth Cave Ground Beetle

Side-by-side species comparison

Attribute Broad Scarlet Tooth Cave Ground Beetle
Scientific Name Crocothemis servilia Rhadine persephone
Order Odonata Coleoptera
Family Libellulidae Carabidae
Size 38-45mm 0.5-0.7 cm
Habitat Ponds & Lakes Caves
Diet Predators Predators
Regions Asia, Oceania United States
Conservation Least Concern Endangered

Broad Scarlet

A robust dragonfly where males are brilliant scarlet-red with a broad flattened abdomen. Females are olive-brown. It is one of the most common dragonflies across tropical Asia.

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Did You Know?

It is one of the first dragonflies to colonize new water bodies, sometimes arriving within days of a pond being dug.

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.