Canada Darner vs Dry Fork Valley Cave Beetle

Side-by-side species comparison

Attribute Canada Darner Dry Fork Valley Cave Beetle
Scientific Name Aeshna canadensis Pseudanophthalmus montanus
Order Odonata Coleoptera
Family Aeshnidae Carabidae
Size 62-72 mm 4-5 mm
Habitat Ponds & Lakes Caves
Diet Omnivores Omnivores
Regions North America United States
Conservation Least Concern Endangered

Canada Darner

A common large darner of northeastern North America with blue and green markings. Its notched thoracic stripes help distinguish it from similar species.

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Did You Know?

Its thoracic side stripes have a distinctive notch that separates it from the very similar Lake Darner.

Dry Fork Valley Cave Beetle

A cave-obligate beetle from the Dry Fork Valley region of West Virginia. Like all members of its genus, it is completely eyeless.

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Did You Know?

It can only survive in the constant-temperature deep zones of caves.