Cordulegaster obliqua

(Say, 1840)

Arrowhead spiketail

Cordulegaster obliqua, commonly known as the arrowhead spiketail, is a in the Cordulegastridae. It occurs in North America, where emerge in early summer near small rivers and streams. The larvae inhabit stream environments, including intermittent streams, and can survive up to five years before . The species holds a stable and is classified as Least Concern by the IUCN.

Cordulegaster obliqua by the Smithsonian. Used under a CC0 license.Cordulegaster obliqua by the Smithsonian. Used under a CC0 license.Arrowhead Spiketail - Cordulegaster obliqua, Friendsville, Maryland - 27860849975 by Judy Gallagher. Used under a CC BY 2.0 license.

Pronunciation

How to pronounce Cordulegaster obliqua: /ˌkɔːrdjʊlɪˈɡæstər əˈbliːkwə/

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Images

Habitat

Clearings near small rivers and streams. Larvae occur in stream environments, including intermittent streams that experience periodic drying.

Distribution

North America. Specific records include Vermont, United States.

Seasonality

emerge in early summer.

Life Cycle

Larvae may live up to 5 years before emerging as . Development occurs in aquatic stream .

More Details

Conservation Status

IUCN Red List status: Least Concern (). Status reviewed in 2017. is stable with no immediate threats to survival.

Subspecies

Two are recognized: Cordulegaster obliqua fasciata Rambur, 1842 and Cordulegaster obliqua obliqua (Say, 1839).

Sources and further reading