Arctic Chironomid Midge vs Narcissus Bulb Fly

Side-by-side species comparison

Attribute Arctic Chironomid Midge Narcissus Bulb Fly
Scientific Name Diamesa mendotae Merodon equestris
Order Diptera Diptera
Family Chironomidae Syrphidae
Size 3-6 mm 10-15 mm
Habitat Rivers & Streams Underground
Diet Detritivores Nectar Feeders
Regions Arctic Canada, Alaska, Greenland, Scandinavia, alpine regions worldwide Europe, North America (introduced), Oceania (introduced)
Conservation Least Concern Least Concern

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.

Narcissus Bulb Fly

A bumble bee-mimicking hoverfly that comes in multiple color forms matching different bumblebee species. Its larvae bore into and destroy daffodil and narcissus bulbs.

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Did You Know?

It exists in multiple color forms, each mimicking a different bumblebee species found in the same habitat.