Arctic Chironomid Midge vs Giant Lacewing

Side-by-side species comparison

Attribute Arctic Chironomid Midge Giant Lacewing
Scientific Name Diamesa mendotae Polystoechotes punctata
Order Diptera Neuroptera
Family Chironomidae Ithonidae
Size 3-6 mm 40-75 mm wingspan
Habitat Rivers & Streams Rivers & Streams
Diet Detritivores Omnivores
Regions Arctic Canada, Alaska, Greenland, Scandinavia, alpine regions worldwide North America
Conservation Least Concern Endangered

Arctic Chironomid Midge

A slender, non-biting midge with long legs and feathery antennae in males. Larvae are among the first invertebrates to colonize glacial meltwater streams. Adults can be active at temperatures just above freezing.

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Did You Know?

Diamesa midges can fly and mate at temperatures as low as minus 6 degrees Celsius, making them among the most cold-tolerant flying insects.

Giant Lacewing

Once widespread across North America, it vanished from the eastern US by the 1950s. A single specimen was rediscovered in Walmart parking lot in Arkansas in 2012 after 50 years.

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Did You Know?

This giant lacewing was thought extinct in eastern North America for 50 years — until a single specimen was collected at a Walmart parking lot in Fayetteville, Arkansas in 2012.