Nemocapniacarolina Banks, 1938

Nations, Tina M., Stark, Bill P. & Hicks, Matthew B., 2007, The Winter Stoneflies (Plecoptera: Capniidae) Of Mississippi, Illiesia 3 (9), pp. 70-94 : 92-93

Nemocapniacarolina Banks

Nemocapnia carolina Banks, 1938 . Type series, Morgantown , North Carolina.

Nemocapniacarolina: Frison, 1942 . Redescription.

Distribution. AL, AR, FL, IL, IN, MS, NC, PQ, SC, VA ( Stark & Baumann 2006). Mississippipopulations have been reported in Simpson and Wilkinson counties ( Stark 1979) and in this paper a new record is given for Amite County.

Mississippi collection data. ( Fig. 52 ). Amite Co., Tributary Foster Creek, Hwy 33, 26 December 1997, M. Alford, 1 ♂, 1 ♀ ; Foster Creek , FR 167, 29 December 1997, M. Alford, 1 ♀ . Simpson Co., Mill Creek, Hwy 472, 31 ° 51’ 81.6” N, 89 ° 59’ 51.5” W, 20 February 1981, B. Stark, 1 ♀; Samelocation, 16 January 1981, B. Stark, 1 ♂; Samelocation 7 March 1985, B. Stark, 1 ♀; Samelocation, 16 January 2002, B. Stark, 5 ♂, 2 ♀; Westville Creek, Hwy 43, 31 ° 52’ 80.0” N, 89 ° 57’ 47.3” W, 19 December 1992, B. Stark, 1 ♂ ; Bush Creek, Schoolhouse Road , 30 December 2002, B. Stark, 1 ♂ ; Rials Creek, Main Street , 31 ° 54’ 76.6” N, 89 ° 52’ 69.2” W, 12 February 1981, B. Stark, and J. McGuire, 1 ♀ ; Rials Creek, Merit, Hwy 43, 31 ° 55’ 65.3” N, 89 ° 54’ 60.4” W, 16 February 1979, B. Stark, 1 ♀ ; Samelocation , 19 December 1992, B. Stark, 9 ♂, 5 ♀ . Wilkinson Co., Tributary Foster Creek, Hwy 33 N of Hwy 563 jct, 22 January 1977, B. Stark and L. Temple, 1 ♂ .

Male epiproct. Epiproct a single, slender, cylindrical, probe, bearing an apical orifice ( Figs. 52 , 55 ); dorsal surface relatively smooth but bearing a prominent suture; epiproct carried in an upright position in most specimens ( Fig. 54 ).

Male tergal process. Abdominal tergum 8 without process, but tergum 9 bears a low knob lateral to epiproct on either side of segment ( Figs. 53, 55‐57 ).

Female subgenital plate. Abdominal sterna 7 and 8 completely separated by membrane. Mesalportion of sternum 8 divided intoa large, somewhat mushroom shaped anterior sclerite and a narrow, transverse posterior sclerite ( Figs. 58 , 66 ).

Figures

Fig. 52. Distribution of Nemocapnia carolina in Mississippi.

Figs. 53‐58. Nemocapnia carolina, Simpson Co., Rials Creek, Hwy 43. 53. Epiproct, dorsal, 54. Epiproct, lateral, 55. Epiproct tip, 56. Male tergum 9 dorsal process, 57. Male tergum 9 process, lateral aspect, 58. Female abdominal sterna 7‐9. ep = epiproct; ce = circus; as = anterior sclerite; ps = posterior sclerite; sgp = subgenital plate.

Figs. 63‐66. Female terminalia. 63. Allocapnia rickeri, 64. Allocapnia starki, 65. Allocapnia virginiana, 66. Nemocapnia carolina.