Sierracapnia palomar ( 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 : 112-114

Sierracapnia palomar ( Nelson and Baumann 1987)

( Figs. 13-16 )

Sierracapnia palomar ( Nelson and Baumann 1987):498 .

Holotype ♂ ( USNM). Type locality: California, San Diego Co., Fry Creek, Palomar Mountains .

Material Examined. USA, California: Riverside Co., North Fork San Jacinto River, Hwy 243, below Dark Canyon Campground , 19-I-1985, R.W. Baumann & C.R. Nelson, 5♂, 3♀ ( BYUC) . San Diego Co., Fry Creek, Palomar Mountain Road , Fry Creek Campground , 18-I-1985, R.W. Baumann & C.R. Nelson, 4♂, 1♀ ( USNM, BYUC) ; Fry Creek, Rd. S-6, Fry Creek Campground , 11-I-2012, B.C. Kondratieff, D. Murányi, J.B. Sandberg & C.R. Nelson, 2♂ ( CSUC) .

Additional Specimens ( Nelson et al. 2012). California: Riverside Co., San Jacinto Mountains, Fuller Mill Creek , Hwy 243, Fuller Mill Creek Picnic Area , N 33.79893° W 116.74905°, 1561 m, 10- I-2012, CRN 10113 , C.R. Nelson, J.B. Sandberg, D. Murányi & B.C. Kondratieff, 3♂ . San Bernardino Co., San Gabriel Mountains, Mount Baldy Road , San Antonio Creek , at San Antonio Falls , N 34.27313° W 117.63637°, 1942 m, 8-I-2012, CRN 10102 , C.R. Nelson, J.B. Sandberg, D. Murányi & B.C. Kondratieff, 2♂ ; San Bernardino Mountains, Snow Fork , Hwy 18, 3 miles west of Big Bear Lake, N 34.24503° W 117.02787°, 2185 m, 9-I-2012, CRN 10109 , C.R. Nelson, J.B. Sandberg, D. Murányi & B.C. Kondratieff, 1♂. San Diego Co., Palomar Mountain, Fry Creek, Fry Creek Campground , Road S-6, N 33.34466° W 116.88013°, 1462 m, 11-I- 2012, CRN 10119 , C.R. Nelson, J.B. Sandberg, D. Murányi & B.C. Kondratieff, 19♂, 1♀ ; Palomar Mountain, Iron Springs Creek , Road S-6, N 33.33277° W 116.87142°, 1467 m, 11-I-2012, CRN 10120 , C.R. Nelson, J.B. Sandberg, D. Murányi & B.C. Kondratieff, 1♂ .

Male. Tergum 7 knob narrow and slightly notched, knob width 13-17% of segment 7 width ( Figs. 15, 16 ). Tergum 9 with rounded knobs located near mid segment ( Figs. 13-15 ). Epiproct in dorsal view narrow and linear, maximum width 13-15% of epiproct length; maximum width occurs posterior of mid epiproct; apex wedge-shaped or narrowly rounded; dorsal membrane light colored and confined to a small area between the epiproct apex and dorsolateral horn tips; dorsal median groove extends full epiproct length ( Figs. 13-15 ). Epiproct in lateral view generally linear, with slight reverse curve dorsally and shallow keel ventrally; maximum depth 12-14% of length; maximum depth occurs anterior of mid epiproct; neck narrow ( Figs. 14, 15 ). Epiproct dorsolateral horns appressed to main dorsal surface; horn length 15- 17% of epiproct length; horn tips extend forward to 92-95% of epiproct length ( Figs. 13-15 ; Table 1 ).

Female. Subgenital plate heavily sclerotized and dark, covering most of sternum 8 and extending onto sternum 7 (Fig. 237, Nelson and Baumann 1989).

Distribution. Sierracapnia palomar has been collected in the San Bernardino, San Gabriel, San Jacinto and Palomar mountains of southern California ( Nelson et al. 2012) ( Fig. 39 ).

Figures

Figs. 13-16. Sierracapnia palomar. Male: 13. Headwaters North Fork San Jacinto River, California. Genitalia, dorsal, epiproct and knobs on tergum 9. 14. Headwaters North Fork San Jacinto River, California. Genitalia, lateral, epiproct and knob on tergum 9. 15. Fry Creek, California. Terminalia, lateral, epiproct, knob on tergum 7 and knob on tergum 9. 16. Fry Creek, California. Knob on tergum 7, dorsolateral.

Fig. 39. Distributional map of Sierracapnia spp.: barberi (red), hornigi (purple), mono (dark green), palomar (light blue), washoe (yellow), and yosemite (dark blue).