Paracapnia angulata

Hanson, 1961

angulate snowfly

Paracapnia angulata is a in the . The occurs in headwater streams across eastern North America, with documented in Appalachian streams affected by acid precipitation. Research indicates it tolerates a wide pH range (4.5–7.5) and can achieve high in acidic conditions due to increased abundance and , despite lower individual growth rates. serve as for steelhead trout.

Small winter stonefly, Paracapnia angulata (31991564216) by Bob Henricks from Charlottesville, United States. Used under a CC BY-SA 2.0 license.Small winter stonefly, Paracapnia angulata (31840180422) by Bob Henricks from Charlottesville, United States. Used under a CC BY-SA 2.0 license.Small winter stonefly, Paracapnia angulata (31871364501) by Bob Henricks from Charlottesville, United States. Used under a CC BY-SA 2.0 license.

Pronunciation

How to pronounce Paracapnia angulata: /ˌpærəˈkæpniə æŋˈɡjuːlətə/

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Images

Habitat

Headwater streams; documented in Appalachian streams with pH ranging from 4.5 to 7.5, including acidic streams impacted by acid precipitation

Distribution

North America: documented in Arkansas, Connecticut, Colorado, Delaware, Georgia, and West Virginia

Seasonality

Winter activity period (consistent with '' )

Ecological Role

item for steelhead trout; contributes to in stream , with highest documented production in acidic streams where the achieves greater abundance and

Tags

Sources and further reading