Sierracapnia, A New Genus Of Capniidae (Plecoptera) From Western North America
Author
Bottorff, Richard L.
1963 Toppewetah Street, South Lake Tahoe, California 96150, U. S. A. E-mail: richbot @ yahoo. com
richbot@yahoo.com
Author
Baumann, Richard W.
Department of Biology and Monte L. Bean Life Science Museum, Brigham Young University, Provo, Utah 84602, U. S. A. E-mail: richard _ baumann @ byu. edu
richard_baumann@byu.edu
text
Illiesia
2015
11
9
104
125
journal article
http://doi.org/10.5281/zenodo.4757677
c19d6b36-e361-4626-b48c-da9c7ff654ff
1854-0392
4757677
E0490810-CC36-4D85-9BEF-DBC91BD9F59F
Sierracapnia hornigi
(
Baumann and Sheldon 1984
)
(
Figs. 5-8
)
Sierracapnia hornigi
(
Baumann and Sheldon 1984):30
.
Holotype
♂
(
USNM
). Type locality:
Nevada
,
Esmeralda Co.
,
Middle Creek
,
White Mountains
.
Material Examined.
USA
,
California
: Inyo Co.,
Cottonwood Creek, White Mountains, 5700’,
30- XII-1985
, D. Giuliani,
1♂
(
BYUC
)
.
Mono Co.,
Millner Creek, White Mountains, 6800’,
21-II-1985
, D. Giuliani,
4♂
,
11♀
(
BYUC
)
;
Willow Creek,
10 mi
S
6 mi
E Benton, 7000’, White Mountains, 5-III- 1986, D. Giuliani,
1 ♀
(
BYUC
)
.
Nevada
: Esmeralda Co.,
Chiatovich Creek, White Mountains,
11-II- 1986
, R.W. Baumann & B.J. Sargent,
1♂
(
BYUC
)
;
Leidy Creek, White Mountains, 7400’,
18-III-1999
, A.L. Sheldon,
1♂
,
10♀
(
BYUC
)
;
Middle Creek, White Mountains,
10-II-1977
, A.L. Sheldon,
12♂
,
41♀
(
BYUC
)
;
Middle Creek, White Mountains,
4- III-1979
, C.E. Hornig,
14♂
,
17♀
(
BYUC
)
;
Middle Creek, mouth of canyon,
11-II-1986
, R.W. Baumann & B.J. Sargent,
7♂
,
11♀
(
BYUC
)
.
Male.
Tergum 7 knob narrow and slightly notched, knob width 11-16% of segment 7 width (
Fig. 8
). Epiproct in dorsal view increases in width between neck and anterior half; maximum width 17-24% of epiproct length; maximum width occurs anterior of mid epiproct; apex rounded and with median posterior-projecting triangular lobe; dorsal membrane light colored (
Figs. 5, 7
). Epiproct in lateral view slightly convex dorsally, deeply keeled ventrally; maximum depth 19-24% of length; maximum depth occurs anterior of mid epiproct; neck narrow (
Fig. 6
). Epiproct dorsolateral horns closely appressed to main dorsal surface; horn length 15-18% epiproct length; horn tips extend forward to 76-85% epiproct length (
Fig. 7
,
Table 1
).
Female.
Subgenital plate heavily sclerotized and dark; plate covers full width of sternum 8 from posterior to anterior edge; posterior of sternum 7 sclerotized (Fig. 224,
Nelson and Baumann 1989
).
Distribution.
Sierracapnia hornigi
occurs in the White Mountains of Mono Co.,
California
, and Esmeralda Co.,
Nevada
(
Fig. 39
).