Deer Ked vs Common Web Spinner

Side-by-side species comparison

Attribute Deer Ked Common Web Spinner
Scientific Name Lipoptena cervi Embia major
Order Diptera Embioptera
Family Hippoboscidae Embiidae
Size 5-7 mm 10.0-15.0 mm
Habitat Woodlands Woodlands
Diet Blood Feeders Gall Makers
Regions Europe, Asia, introduced to North America Europe, Africa
Conservation Least Concern Not Evaluated

Deer Ked

A flattened, reddish-brown blood-sucking fly that sheds its wings upon finding a deer host. It clings tenaciously to the hair with strong claws and feeds on blood throughout its life.

💡

Did You Know?

After landing on a host, it breaks off its own wings permanently, spending the rest of its life as a wingless ectoparasite.

Common Web Spinner

A dark brown web spinner that constructs silk galleries on tree bark and under stones. Males are winged while females are always wingless.

💡

Did You Know?

Web spinners produce silk from glands in their enlarged front feet, the only insects to spin silk with their tarsi.