Species Insects & ArthropodsSnakefly

Snakefly

Agulla adnixa

UncommonInsect & Arthropod
Illustration of Snakefly (Agulla adnixa)

The Snakefly (Agulla adnixa) is a slender, elongated insect with a distinctively long 'neck' (prothorax) and transparent wings, found primarily in western North American conifer forests. Females have a long ovipositor used to lay eggs under bark. It is a predator of bark beetle larvae and other insects under bark. Snakeflies represent an ancient insect lineage with fossil relatives over 250 million years old.

Habitat
Conifer forests with mature bark and dead wood
Diet
Adults and larvae: bark beetles, mites, and other small invertebrates under bark
How common
Uncommon

Recent Snakefly sightings near you

Live, research-grade observations from iNaturalist. Allow location to center the map on you.

Spot a Snakefly? Identify it instantly.

Point Huck at any plant or animal and get an instant ID, rarity, and field notes - building your personal nature collection as you go.

Get Huck

Get an alert when a Snakefly is spotted

Pick a park, state, or city and we’ll email you when one turns up there. One check a day, only when there’s something new.

Free. Unsubscribe from any email. See our Privacy Policy.

Love insects & arthropods? Get Huck field notes

Spotting tips, new species, and the best of what people are finding in the wild - straight to your inbox.

By subscribing you agree to receive Huck emails. No spam, unsubscribe anytime. See our Privacy Policy.

More insects & arthropods

Snowy Tree Cricket
Snowy Tree Cricket
Oecanthus fultoni
Southern Black Widow
Southern Black Widow
Latrodectus mactans
Southern Dogface
Southern Dogface
Zerene cesonia
Southern Green Stink Bug
Southern Green Stink Bug
Nezara viridula
Southern Mole Cricket
Southern Mole Cricket
Scapteriscus borellii
Southern Two-striped Walkingstick
Southern Two-striped Walkingstick
Anisomorpha buprestoides
Southern Yellowjacket
Southern Yellowjacket
Vespula squamosa
Spear-marked Black Moth
Spear-marked Black Moth
Rheumaptera hastata