Capnia teresa Claassen 1924

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 : 175

publication ID

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

DOI

https://doi.org/10.5281/zenodo.4763855

persistent identifier

https://treatment.plazi.org/id/99668795-AE0A-8006-FEF1-1927858670DF

treatment provided by

Felipe

scientific name

Capnia teresa Claassen 1924
status

 

Capnia teresa Claassen 1924

( Figs. 3, 5, 6, 9 View Figs , 38-43 View Figs )

Distribution. California.

Material examined. California: San Bernadino Co., Forsee Creek , N 30 ° 09.431 ’ W 116 ° 55.885 ’, Elev. 1812m, 27-II-2008, E F. Drake, 16♂, 17♀, 1 pharate ♂ in exuvium, 3 reared ♂ with exuviae, 5 reared ♀ with exuviae, 6 pharate ♀ in exuviae (1 partially emerged), 2♂ larvae, 10♀ larvae GoogleMaps .

Characters. Body length ♂ 6.0- 6.2mm, ♀ 6.8-6.9mm. Light to medium brown dorsally, ventrum lighter, little pattern except underlying muscles or developing adult pigment. Antennal segments 44-50, head capsule width ♂ 0.75mm, ♀ 0.87mm. Lacinia and mandibles as described for C. umpqua and C. ventura ( Figs. 44-48 View Figs , 50-53 View Figs ). Pronotum with setae scattered over surface and as a sparse marginal fringe. Mesosternal Y-arms typical of genus. Hind wingpads shallowly notched along inner margins; inside forewingpad length ♂ 0.84mm, ♀ 1.02- 1.08mm. Femora bear scattered surface bristles, and tibia with a silky outer fringe ( Fig. 3 View Figs ). Abdominal segments with long surface hairs ( Figs. 38-39 View Figs ). Sexual dimorphism evident. Male 10 th tergum with short, upturned posterior extension ( Figs. 5, 6 View Figs , 40 View Figs ); underlying developing epiproct visible in pharate or partially emerged individuals ( Fig. 5 View Figs ). Female without upturned extension of 10 th tergum ( Fig. 41 View Figs ). Cercal segments ♂ 30, ♀ 34; cercomeres with apical circlet of short and long bristles, longer dorsal and ventral bristle in lateral view, and no intercalary hairs ( Figs. 9 View Figs , 42, 43 View Figs ).

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Plecoptera

Family

Capniidae

Genus

Capnia