Salmoperla sylvanica Baumann & Lauck, 1987

Stark, Bill P. & Baumann, Richard W., 2006, The Female And Egg Of Salmoperla Sylvanica (Plecoptera: Perlodidae), Illiesia 2 (3), pp. 24-26 : 24-25

publication ID	https://doi.org/ 10.5281/zenodo.4754572
DOI	https://doi.org/10.5281/zenodo.4754787
persistent identifier	https://treatment.plazi.org/id/039E8789-2F68-4508-CF2F-A087FB5388E2
treatment provided by	Felipe
scientific name	Salmoperla sylvanica Baumann & Lauck
status

Treatment

Salmoperla sylvanica Baumann & Lauck View in CoL

( Figs. 1-6 View Figs View Figs )

Salmoperla sylvanica Baumann & Lauck, 1987: 827 View in CoL . Description of male and nymph.

Salmoperla: Stewart & Stark, 1988:408 View in CoL . Redescription of nymph.

Material examined. CALIFORNIA: Humboldt Co.: East Willow Creek drainage, 10 April, 1991, J. Lee, 1 ♀ (reared, emerged 26 June), 2 nymphs ( BYUC). Small stream 0.5 miles E Cedar Creek, Hwy. 299, 25 April 1987, B. Stark, R . W. Baumann, C. R . Nelson, S. Wells, 2 nymphs (with eggs)( BPSC). Slide Creek, Hwy 13, south of Fish Lake Campground , 31 May 1991, R . W. Baumann, B. Stark, C. Henderson, 1 ♂ ( BYUC). Red Mountain Creek, road to Fish Lake , 19 April 1980, J. Lee, 1 nymph ( BYUC). Colusa Co.: Little Stony Creek , 10 miles SW Stonyford, 13 February 1988, W.D. Shepard, 1 nymph ( CASC) .

Female. Brachypterous. Forewing length 16.5 mm. Venation as in Fig. 1 View Figs . General color and gill formula as in male. Subgenital plate broadly triangular and somewhat nipple-like at tip; apex projects over basal third of sternum 9 ( Fig. 2 View Figs ). Sternum 9 clothed with sparse, fine setae; intersegmental membrane posterior to sternum 9 armed with dense, broad microtrichia patch ( Fig. 2 View Figs ).

Stark, B.P. & R.W. Baumann 2006. The Female and Egg of Salmoperla sylvanica ( Plecoptera : Perlodidae ). Illiesia , 2(3):24 –26.

Available online: http://www2.pms-lj.si/ illiesia / Illiesia 02-03.pdf

Egg. Outline, excluding collar, almost spherical to oval. Length (without collar) about 0.45-0.53 mm; diameter about 0.44-0.45 mm ( Fig. 3 View Figs ). Collar short (ca. 0.053 mm), narrow (ca. 0.059 mm at midlength), prominently ribbed, slightly flanged around rim, and with an irregularly granular texture ( Figs. 3-5 View Figs ); base of collar surrounded by low ridge. Chorion covered throughout with uniformly sized follicle cell impressions (width ca. 0.015 mm); FCI’s with thin low walls and concave impuncate floors ( Figs. 5-6 View Figs ). Micropyles set on low turrets ( Fig. 6 View Figs ).