Sphegina rufiventris

Loew, 1863

Black-horned Pufftail

Sphegina rufiventris is a common syrphid fly found in the northeastern United States. are commonly observed on flowers, where they feed on nectar and pollen. The species is notable for its ability to hover nearly motionless in , a trait shared with other hoverflies. Larvae develop in specialized microhabitats, specifically accumulations of decaying sap under bark in moist environments.

Sphegina rufiventris 1 by Ben Armstrong. Used under a CC BY 4.0 license.

Pronunciation

How to pronounce Sphegina rufiventris: //sfɛˈɡiː.nə ˌruː.fɪˈvɛn.trɪs//

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Habitat

occur in flowering . Larvae inhabit accumulations of decaying sap under bark, typically in damp, shaded woodland and in partially submerged wood in streams and pools.

Distribution

Northeastern United States. Documented from Vermont.

Diet

feed on nectar and pollen from flowers.

Life Cycle

Larvae develop in decaying sap accumulations under bark in wet situations. Specific details of , pupal, and timing are not documented.

Behavior

hover nearly motionless in . They are commonly found on flowers.

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Sources and further reading