Sierracapnia yosemite ( Nelson and Baumann 1987 ), 2015

Bottorff, Richard L. & Baumann, Richard W., 2015, Sierracapnia, A New Genus Of Capniidae (Plecoptera) From Western North America, Illiesia 11 (9), pp. 104-125 : 119-120

publication ID

https://doi.org/ 10.5281/zenodo.4757677

publication LSID

lsid:zoobank.org:pub:E0490810-CC36-4D85-9BEF-DBC91BD9F59F

DOI

https://doi.org/10.5281/zenodo.4757669

persistent identifier

https://treatment.plazi.org/id/222C879D-4350-8717-D805-FE11BEE168BA

treatment provided by

Felipe

scientific name

Sierracapnia yosemite ( Nelson and Baumann 1987 )
status

 

Sierracapnia yosemite ( Nelson and Baumann 1987) View in CoL

( Figs. 34-37 View Figs )

Sierracapnia yosemite ( Nelson and Baumann 1987): 491 View in CoL .

Holotype ♂ ( USNM). Type locality: California, Mariposa Co., Big Creek, Summerdale Campground .

Material Examined. USA, California: Mariposa Co., Big Creek, Hwy 41, Summerdale Campground above Fish Camp , 18-III-1985, R.W. Baumann & C.R. Nelson, 28♂, 11♀ ( USNM, BYUC) ; Chilnualna Creek, above Wawona , 18-III-1985, R.W. Baumann & C.R. Nelson, 1♂, 2♀ ( BYUC) ; creek at south entrance Yosemite National Park , 18-III-1985, R.W. Baumann & C.R. Nelson, 5♂, 3♀ ( BYUC) . Tuolumne Co., Middle Fork Tuolumne River, Evergreen Road , 18-III-1985, R.W. Baumann & C.R. Nelson, 31♂, 6♀ ( BYUC) ; South Fork Tuolumne River, Evergreen Lodge Road , NW Big Oak Entrance, 18-III-1985, R.W. Baumann & C.R. Nelson, 38♂, 37♀ ( BYUC) ; South Fork Tuolumne River, Hwy 120, Smoky Jack Campground , N 37°49’ W 119°43’, 22-VI-2006, R.W. Baumann & B.C. Kondratieff, 1♂ ( BYUC) GoogleMaps .

Male. Tergum 7 knob tall, thin, and narrowly divided at apex (knob height 30-35% of segment 7 height; knob width 14-15% of segment 7 width) ( Figs. 34, 37 View Figs ). Epiproct in dorsal view with uniform width along length, maximum width 18-24% of epiproct length; maximum width occurs anterior of mid epiproct; apex rounded or wedge-shaped, with a long thin posterior-projecting lobe ( Fig. 35 View Figs ); dorsal membrane light colored. Epiproct in lateral view with a shallow reverse (S-shaped) curve dorsally and deep curve ventrally; maximum depth 25-30% of length; maximum depth occurs in anterior third of epiproct; apex elongated and raised, with thin median lip that wraps around tip of eversible crest; neck narrow ( Figs. 34, 36 View Figs ). Dorsolateral horns arch high above main epiproct body, exposing membrane of eversible crest in lateral view; horn length 18-21% epiproct length; horn tips extend forward to 85-88% of epiproct length ( Fig. 36 View Figs ; Table 1 View Table 1 ).

Female. Subgenital plate heavily sclerotized and dark, plate covers entire width of sternum 8 from its posterior to anterior edge, sclerotization extends onto posterior third of sternum 7 (Fig. 257, Nelson and Baumann 1989).

Distribution. Sierracapnia yosemite inhabits the western slope of central and southern Sierra Nevada near Yosemite National Park in Mariposa and Tuolumne counties, California ( Fig. 39 View Fig ).

USNM

USA, Washington D.C., National Museum of Natural History, [formerly, United States National Museum]

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Plecoptera

Family

Capniidae

Genus

Sierracapnia

Loc

Sierracapnia yosemite ( Nelson and Baumann 1987 )

Bottorff, Richard L. & Baumann, Richard W. 2015
2015
Loc

Sierracapnia yosemite ( Nelson and Baumann 1987): 491

Sierracapnia yosemite ( Nelson and Baumann 1987): 491 .
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