Owl Midge vs Arrowhead Spiketail

Side-by-side species comparison

Attribute Owl Midge Arrowhead Spiketail
Scientific Name Clogmia albipunctata Cordulegaster obliqua
Order Diptera Odonata
Family Psychodidae Cordulegastridae
Size 2-5 mm 70-80 mm
Habitat Underground Forests
Diet Omnivores Omnivores
Regions Cosmopolitan North America
Conservation Least Concern Least Concern

Owl Midge

A small fuzzy moth-like fly found in bathrooms and drains worldwide. Its larvae feed on gelatinous films of bacteria inside drainage pipes.

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Did You Know?

Despite living in unsanitary conditions, it is not known to transmit any diseases to humans.

Arrowhead Spiketail

A large spiketail dragonfly with arrowhead-shaped yellow markings along its dark abdomen. It is found along seepage-fed streams in eastern North American forests.

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Did You Know?

Females can insert eggs directly into hard-packed stream gravel using their spike-like ovipositor.