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 barberi
(Claassen 1924)
(
Figs. 1-4
)
Sierracapnia barberi
(
Claassen 1924):55
.
Holotype
♂
(USNM). Type locality:
California
,
Plumas Co.
,
Feather River Canyon
, near
Caribou
.
Material Examined.
USA
,
California
: Alpine
Co.,
West Fork Carson River,
2 mi
W Woodfords,
4-IV-1985
, D. Giuliani,
5♂
,
16♀
(
BYUC
)
;
Hot Springs Creek, near Grover Hot Springs,
N 38.69879°
W 119.84299°
, 5878’,
2-III-2001
, R.L. Bottorff,
3♂
,
6♀
(
RLBC
)
;
Markleeville Creek, Hwy 89, Markleeville,
21-III-1985
, R. W. Baumann & C. R. Nelson,
11♂
,
10♀
(
BYUC
)
.
El Dorado Co.,
South Fork American River, Hwy 50, Riverton,
21-III- 1985
, R.W. Baumann & C.R. Nelson,
13♂
,
7♀
(
BYUC
)
;
North Fork Cosumnes River, Capps Crossing,
N 38.65045
W 120.40741
, 5044’,
5-IV- 1981
, R.L. Bottorff,
26♂
,
53♀
(
RLBC
)
;
North Fork Cosumnes River, Capps Crossing, Grizzly Flats,
N 38.65045
W 120.40741
, 5044’,
24-III-1982
, R.L. Bottorff,
6♂
,
9♀
(
BYUC
)
;
North Fork Cosumnes River, Meiss Ranch,
N 38.63579
W 120.33655
, 5440’,
5-IV-1981
, R.L. Bottorff,
2♂
,
14♀
(
RLBC
)
;
North Fork Cosumnes River, Sciaroni Crossing,
N 38.66946
W 120.53347
, 3221’,
21-I-1986
, R.L. Bottorff,
7♂
,
2♀
(
RLBC
)
.
Nevada Co.,
Bear River, Hwy 20, near Placer County line,
21-IV-1987
, R.W. Baumann, C.R. Nelson & S.A. Wells,
2♂
,
7♀
(
BYUC
)
;
Bear River, Hwy 20, Tahoe National Forest,
29-I-1992
, R.W. Baumann, J.T. Zenger & B.C. Kondratieff,
32♂
,
31♀
(
BYUC
)
;
Donner Creek, W Truckee,
21-II-1985
, R.W. Baumann & C.R. Nelson,
40♂
,
25♀
(
BYUC
)
;
Sagehen Creek, Sagehen Creek Biological Station,
9-15-III-1965
, A. L. Sheldon,
37♂
,
29♀
(
BYUC
,
USNM
)
;
Truckee River, Truckee,
21-II-1985
, R.W. Baumann & C.R. Nelson,
21♂
,
8♀
(
BYUC
)
.
Placer Co.,
Ward Creek, Hwy 89, near Lake Tahoe,
22-II-1985
, R.W. Baumann & C.R. Nelson,
15♂
,
15♀
(
BYUC
)
.
Plumas Co.,
Bucks Lake,
17 mi
SW Quincy,
29-IV-1950
, H.P. Chandler,
3♀
(
BYUC
)
;
Long Valley Creek, Hwy 70, Cromberg,
14- II-1985
, R.W. Baumann & C.R. Nelson,
124♂
,
26♀
(
BYUC
)
.
Shasta Co.,
North Fork Battle Creek, Hwy 44, near Shingletown,
27-I-1985
, D.R. Lauck,
5♂
,
2♀
(
BYUC
)
;
Hat Creek, Hwy 44, Old Station,
26-I-1985
, D.R. Lauck,
4♂
,
8♀
(
BYUC
)
.
Sierra Co.,
Cold Creek, Hwy 89, Cold Creek Campground,
9- XII-1986
, R.W. Baumann, C.R. Nelson, B.C. Kondratieff & S.A. Wells,
111♂
,
49♀
(
BYUC
)
.
Tehama Co.,
North Fork Deer Creek, Hwy 32, 1 mi S junction Hwy 36,
15-II-1985
, R. W. Baumann & C.R. Nelson,
20♂
,
35♀
(
BYUC
)
;
Martin Creek, Hwy 36, Mineral,
15-II-1985
, R.W. Baumann & C.R. Nelson,
5♂
(
BYUC
)
;
Mill Creek, Hwy 36, Childs Meadow,
15-II-1985
, R.W. Baumann & C.R. Nelson,
1♂
(
BYUC
)
.
Tuolumne Co.,
Cow Creek, Hwy 108, 4 mi N Strawberry,
19-III-1985
, R.W. Baumann & C.R. Nelson,
78♂
,
24♀
(
BYUC
)
;
Herring Creek, near Strawberry,
19-III-1985
, R.W. Baumann & C.R. Nelson,
140♂
,
38♀
(
BYUC
)
;
South Fork Stanislaus River, Hwy 108, Strawberry,
19-III-1985
, R.W, Baumann & C.R. Nelson,
10♂
,
9♀
(
BYUC
)
;
North Fork Tuolumne River, Pinecrest,
19-III-1985
, R.W. Baumann & C.R. Nelson,
46♂
,
27♀
(
BYUC
)
.
Nevada
: Douglas Co.,
Sierra Canyon Creek,
1 mi
N Genoa,
N 39.01687°
W 119.84985°
, 5163’,
26-I-2013
, R.L. Bottorff,
38♂
,
7♀
(
BYUC
,
RLBC
)
.
Washoe Co.,
Dog Creek, Verdi,
22-II-1985
, R.W. Baumann & C.R. Nelson,
64♂
,
46♀
(
BYUC
)
;
Galena Creek, Hwy 431, Galena Creek Park,
22-III-1985
, R.W. Baumann & C.R. Nelson,
5♂
(
BYUC
)
;
Galena Creek, Hwy 431, above Reno,
21-IV-1987
, R.W. Baumann, C.R. Nelson & S.A. Wells,
1♀
(
BYUC
)
.
Fig. 1-4.
Sierracapnia barberi
. Male: 1. North Fork Cosumnes River, California. Genitalia, dorsal, epiproct. 2. North Fork Cosumnes River, California. Genitalia, lateral, epiproct and knob on tergum 7. 3. Sierra Canyon Creek,
Nevada
. Knob on tergum 7, dorsal, anterior. 4. Sierra Canyon Creek,
Nevada
. Tip of paraprocts and fusion plate (center prong), ventral, terminal.
Male.
Tergum 7 knob narrow and unnotched (knob height 20-25% of segment 7 height; knob width 9-13% of segment 7 width) (
Figs. 2, 3
). Epiproct in dorsal view narrow, lateral margins sinuous (
Fig. 1
); maximum width 15-21% of epiproct length; apex acutely pointed; posterior third of epiproct with narrow ventrolateral flange; dorsal membrane light colored. Epiproct in lateral view slightly convex dorsally, deeply keeled ventrally; maximum depth 30-35% of length; maximum depth near middle of epiproct; basal neck narrow (
Fig. 2
). Epiproct dorsolateral horns arch above main dorsal surface; horn length 22- 25% epiproct length; horn tips extend forward to 70-78% epiproct length (
Fig. 2
,
Table 1
).
Female.
Subgenital plate heavily sclerotized and dark, covering entire width of sternum 8 and posterior portion of sternum 7 (Fig. 211,
Nelson and Baumann 1989
).
Distribution.
Sierracapnia barberi
occurs in a northsouth band of northern
California
and
Nevada
, including the Cascade Mountains in Shasta County, the Mount Lassen area, northern and central Sierra
Nevada
, and Carson Range near Lake Tahoe (
Fig. 39
).