Summer Fishfly vs Spring Fishfly

Side-by-side species comparison

Attribute Summer Fishfly Spring Fishfly
Scientific Name Chauliodes pectinicornis Chauliodes rastricornis
Order Megaloptera Megaloptera
Family Corydalidae Corydalidae
Size 25-40 mm 25-35 mm
Habitat Rivers & Streams Rivers & Streams
Diet Omnivores Omnivores
Regions North America North America
Conservation Least Concern Least Concern

Summer Fishfly

A medium-sized fishfly emerging in summer with distinctive dark-veined wings and feathery antennae. Larvae develop in muddy stream bottoms.

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Did You Know?

Unlike dobsonfly larvae that prefer fast-flowing water, summer fishfly larvae thrive in slow muddy pools and swamps.

Spring Fishfly

A medium-sized fishfly with pectinate antennae found in eastern North America. Adults are attracted to lights near rivers and streams during spring.

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Did You Know?

Spring fishflies can be distinguished from dobsonflies by their feathery, comb-like antennae and smaller body size.