Capnia

Stewart, Kenneth W., Drake, Eugene F. & Stark, Bill P., 2011, Larvae Of Five Species Of The Winter Stonefly Genus Capnia (Plecoptera: Capniidae) From California, U. S. A., Illiesia 7 (18), pp. 167-181 : 178

publication ID

https://doi.org/10.5281/zenodo.4760235

DOI

https://doi.org/10.5281/zenodo.4763861

persistent identifier

https://treatment.plazi.org/id/99668795-AE09-8005-FF0C-1DD68196723B

treatment provided by

Felipe

scientific name

Capnia
status

 

Provisional Key to Mature Male Larvae of Five California Capnia Species

1 Tergum 10 with 0.7-0.8 mm tubular posterior extension; developing tubular epiproct visible in pharate individuals ( Figs. 15, 17 View Figs , 34 View Figs ) ………… inyo

1’ Tergum 10 shorter than 0.5 mm, its posterior extension variably shaped ( Figs. 4, 5, 6, 8, 10, 11, 12 View Figs , 40 View Figs , 55 View Figs ) ………………………………………….. 2

2 Posterior extension of 10 th tergum subtriangular in dorsal view, with wide-based developing epiproct visible in pharate individuals ( Fig. 4 View Figs ); dorsal margin nearly straight in lateral view, with slightly upturned tip ( Fig. 8 View Figs ) ……………… coyote

2’ Posterior extension of 10 th tergum with dorsal margin sharply upturned in lateral view ( Figs. 5, 6 View Figs , 40 View Figs ), or evenly downturned ( Figs. 54-55 View Figs ), or nearly straight with slightly downturned tip ( Fig. 10 View Figs ); developing epiproct in pharate individuals variously shaped ( Figs. 5, 10, 12 View Figs ) ……………… 3

3 Base of tergum 10 extension with cross-striated surface, and in lateral view, with evenly downturned dorsal margin ( Figs. 54-55 View Figs ) ... ventura

3’ Base of tergum 10 with smooth, unstriated surface ……………………………………………………… 4

4 Tergum 10 extension sharply upturned in lateral view ( Figs. 5, 6 View Figs , 40 View Figs ) ………………………….. teresa

4’ Tergum 10 extension with dorsal margin nearly straight, but with slightly downturned tip in lateral view ……………………………….. umpqua

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Plecoptera

Family

Capniidae

Genus

Capnia