Agnetina annulipes
(Hagen, 1861)
southern stone
Agnetina annulipes, commonly known as the southern stone, is a of in the Perlidae. It is one of the larger stonefly species in eastern North America. The species was originally described as Perla annulipes by Hagen in 1861 before being transferred to the Agnetina. It is primarily found in the southeastern United States.
Pronunciation
How to pronounce Agnetina annulipes: /æɡˈniːtɪnə ænˈjuːlɪˌpiːz/
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Identification
As a member of the Perlidae , Agnetina annulipes possesses the characteristic robust body and distinct wing venation typical of common stoneflies. Within the Agnetina, identification to level requires examination of specific morphological features such as genital structures. The specific epithet 'annulipes' refers to ringed legs, which may be a diagnostic feature. Separation from other Agnetina species and related perlid genera such as Acroneuria and Perlinodes necessitates detailed examination of male and female terminalia.
Images
Distribution
United States: Alabama, Florida, Georgia, Indiana, Louisiana. The has a southeastern distribution within North America.
Similar Taxa
- AcroneuriaLarge perlid stoneflies with similar overall ; distinguished by differences in genital structure and wing venation patterns.
- PerlinodesRelated perlid with overlapping distribution; requires detailed morphological examination for separation.
- Other Agnetina speciesCongeneric share the same -level characteristics; species-level identification relies on subtle differences in terminalia and leg patterning.
More Details
Taxonomic History
Originally described by Hagen in 1861 under the basionym Perla annulipes, this was later transferred to the Agnetina, which currently contains approximately 10 species distributed primarily in North America and Asia.