Allocapnia virginiana Frison

Nations, Tina M., Stark, Bill P. & Hicks, Matthew B., 2007, The Winter Stoneflies (Plecoptera: Capniidae) Of Mississippi, Illiesia 3 (9), pp. 70-94 : 87-92

Allocapnia virginiana Frison

Allocapnia virginiana Frison, 1942 . Holotype male, Rapidan River, Shelby , Virginia

Allocapnia virginiana: Ross & Ricker, 1971 . Mississippi record

Allocapnia virginiana: Alford, 1998 . SEM of male Allocapnia virginiana: Stark & Lacey, 2005 . SEM of male and nymph

Distribution: AL, DE, GA, LA, MS, NC, SC, VA ( Stark & Baumann 2006). Mississippipopulations have been reported from Amite, Franklin, Lauderdale, Lowndes, Newton, Simpson, Tishomingo and Wilkinson counties ( Stark 1979; Alford 1998; Stark & Lacey 2005) and in this paper new records are given for Benton County, Copiah County, Covington County, Jefferson Davis County, Lincoln County, Marion County, Noxubee County, Prentiss County, Tippah County, Union County, Winston County and Yalobusha County. Thisspecies is widelydistributedfrom thenortherncounties, along the Alabama line and spreading to the southwest, south of Interstate 20. Its distribution is similar to that of A. starki but it is does not extend very far westward in the northcentral counties.

Allocapnia virginiana

Mississippi collection data: ( Fig. 45 ). Amite Co., Brushy Creek , 3 December 1980, P. Hartfield, 1 ♂; Brushy Creek, Cobb Road , 28 January 1996, M. Alford, 1 ♀; Brushy Creek, New Hope Road , 28 January 1996, M. Alford, 3 ♂; Brushy Creek, Robertson Road , 22 December 1999, M. Alford, 3 ♂, 1 ♀; Foster Creek, CR 33, 17 December 1997, M. Alford, 18 ♂, 8 ♀; Samelocation , 19 December 1996, M. Alford, 3 ♂, 4 ♀; Caston Creek , Oxford‐ Meadville Road, date unknown, M. Alford, 1 ♂. Benton Co., Curtis Creek, Hwy 4, 34 ° 45’ 62.5” N, 89 ° 07’ 04.0” W, 23 December 2006, B. Stark, 2 ♂, 1 ♀; Shelby Creek, Hwy 4, 34 ° 45’ 06.9” N, 89 ° 06’ 12.4” W, 23 December 2006, B. Stark, 4 ♂, 3 ♀. Copiah Co., Slayton Creek , FR 130B, 31 ° 43’ 83.6” N, 90 ° 38’ 85.3” W, 10 December 2006, B. Stark, 1 ♀; Clear Creek, Utica Road, 32 ° 00’ 95.1” N, 90 ° 22’ 39.9” W, 20 December 2006, B. Stark, 1 ♂; Covington Co., Leonards Mill Creek, Rock Hill Road , 31 ° 44’ 42.9” N, 89 ° 39’ 06.3” W, 13 December 2006, B. Stark and M. Hicks, 2 ♀; Burtons Creek, Burton Creek Road, 31 ° 42’ 16.4” N, 89 ° 38’ 69.5” W, 13 December 2006, B. Stark and M. Hicks, 7 ♂, 7 ♀; Samelocation , 2 January 2007, B. Stark, 1 ♂; Mayfield Branch, Gilmore Road , 31 ° 44’ 54.1” N, 89 ° 27’ 39.5” W, 13 December 2006, B. Stark and M. Hicks, 1 ♂. Franklin Co., Middleton Creek , FR 100, 15 December 1996, M. Alford, 23 ♂, 3 ♀; Porter Creek , FR 108, 21 December 1998, B. Stark, 12 ♂, 2 ♀; Dry Creek , FR 145, 15 December 1996, M. Alford, 2 ♂; McGehee Creek , low water bridge, 15 December 1996, M. Alford, 10 ♂; Cane Mill Creek , near Little Springs, 29 December 1996, M. Alford, 7 ♂; Goober Creek , Little Springs, 29 December 1996, M. Alford, 14 ♂, 5 ♀; North Dry Creek , Hwy 84, 23 December 1996, B. Stark, 1 ♂; Middle Fork Homochitto River , 6 mi N Meadville, 17 December 1997, M. Alford, 1 ♂. Jefferson Davis Co., Whitesand Creek , East Street , Prentiss, 31 ° 35’ 56.5” N, 89 ° 51’ 60.6” W, 11 December 2006, B. Stark, 1 ♂, 1 ♀. Lauderdale Co., Tallahatta Creek , I‐20, 12 January 1979, B. Stark and P. Hartfield, 1 ♂. Lincoln Co., Fair River , Hwy 84, 5 January 2005, B. Stark, 1 ♂, 2 ♀. Lowndes Co., Luxapapila River , Columbus, dateand collector unknown, 1 ♂; Mayhew Creek , Hwy 12, 29 December 1998, B. Stark, 3 ♂. Marion Co., Lower Little Creek , Pine Burr Road, 31 ° 08’ 09” N, 89 ° 42’ 06” W, 12 January 2007, M. Alford, 3 ♂, 1 ♀. Newton Co., Tallahatta Creek , Dean Road, 32 ° 23’ 62.1”N, 88 ° 54’ 97.0” W, 18 December 2002, B. Stark and J. Lacey, 26 ♂; Samelocation , 9 December 2000, B. Stark, 8 ♂; Samelocation , 10 January 2002, B. Stark, 8 ♂, 2 ♀; Samelocation 3 December 2002, B. Stark, 5 ♂; Same location 7 December 2002, B. Stark, 10 ♂, 3 ♀; Same location 12 January 2007, B. Stark, 1 ♂, 1 ♀; Noxubee Co., Hashuqua Creek , Butler Road, 20 December 2006, M. Hicks and M. Howarter, 1 ♂, 1 ♀; Prentiss Co., Dry Creek , Hwy 4, 34 ° 41’ 92.3” N, 88 ° 42’ 51.9” W, 23 December 2006, B. Stark, 1 ♂. Simpson Co., Mill Creek, Hwy 472, 31 ° 51’ 81.6” N, 89 ° 59’ 51.5” W, 11 December 2002, B. Stark and J. Lacey, 1 ♂, 1 ♀; Samelocation , 10 January 2002, B. Stark, 5 ♂; Same location, 29 November 2000, B. Stark, 11 ♂, 2 ♀; Same location 9 January 1979, B. Stark, 1 ♂, 2 ♀; Same location 7 February 1981, B. Stark, 3 ♂, 1 ♀; Same location 2 December 2003, B. Stark, 9 ♂; Mill Creek , Bushtown Shivers Road, 30 December 2002, B. Stark, 2 ♂; Westville Creek , Hwy 43, 31 ° 52’ 80.0” N, 89 ° 57’ 47.3” W, 2 December 2002, B. Stark, 5 ♂; Same location, 16 December 2005, B. Stark, 3 ♂; Same location, 19 December 1992, B. Stark, 8 ♂; Same location, 30 December 2002, B. Stark, 6 ♂, 1 ♀; Rials Creek , Merit, 31 ° 55’ 65.3” N, 89 ° 54’ 60.4” W, 3 January 2006, B. Stark, 10 ♂, 2 ♀; Samelocation , 6 January 1994, B. Stark, 2 ♂; Samelocation , 19 December 1992, B. Stark, 2 ♂, 2 ♀; Rials Creek , Main Street, 31 ° 54’ 76.6” N, 89 ° 52’ 69.2” W, 30 December 2002, B. Stark, 5 ♂, 7 ♀; Samelocation , 16 December 2005, B. Stark, 2 ♂, 1 ♀; Samelocation , 5 January 2005, B. Stark, 1 ♂; Tanyard Creek , Cemetery Road, 30 December 2002, B. Stark, 2 ♂; Samelocation , 16 December 2005, B. Stark, 3 ♂; Bush Creek , Schoolhouse Road, 30 December 2002, B. Stark, 2 ♂, 2 ♀. Tippah Co., Clear Creek, CR 615, 34 ° 41’ 44.6” N, 88 ° 47’ 92.4” W, 22 December 2006, B. Stark, 11 ♂, 1 ♀. Tishomingo Co., Little Cripple Deer Creek, CR 957, 4 January 2000, B. Stark and M. Alford, 39 ♂, 1 ♀; Jourdan Creek , Hwy 4, 3 January 2000, B. Stark and M. Alford, 1 ♂; Clear Creek , Hwy 172, 34 ° 46’ 40.4” N, 88 ° 08’ 46.6” W, 8 January 2007, B. Stark, 1 ♂, 1 ♀; Rock Creek, CR 1, 34 ° 29’ 93.2” N, 88 ° 18’ 87.7” W, 8 January 2007, B. Stark, 5 ♂, 1 ♀; Pennywinkle Creek, CR 191, 3 January 2000, B. Stark and M. Alford, 3 ♂. Union Co., Little Tallahatchie River , CR 150, 34 ° 34’ 25.4” N, 88 ° 54’ 15.7” W, 23 December 2006, B. Stark, 6 ♂. Wilkinson Co., Buffalo River , Hiram McGraw Road, 17 December 1997, M. Alford, 7 ♂, 4 ♀. Winston Co., Mill Creek , Hwy 25, 27 December 2006, M. Hicks, 2 ♂. Yalobusha Co., Tributary Skuna River Canal , Wof Benwood, Hwy 330, 33 ° 56’ 27.1” N, 89 ° 31’ 37.1” W, 22 December 2006, B. Stark, 3 ♂, 1 ♀; York Creek , Hwy 330, 33 ° 55’ 61.2” N, 89 ° 35’ 86.2” W, 22 December 2006, B. Stark, 1 ♂, 1 ♀.

Male epiproct. Epiproct dorsallimb usually apically truncate, and bearing a prominent, suture in apical half of limb ( Fig. 46 ); apical section of limb bears numerous fine anastomosed grooves and ridges covering apicalhalf ( Fig. 48 ); basally the wide, apical, ridged section is separated from smooth and narrowed base by a pair of lateral concavities ( Figs. 46‐47 ). Lower limb slightly widerthan upperlimbfor most of length and bearing subapical notches.

Nemocapniacarolina

Male tergal process. Abdominal segment 8 bears a pair of low tergal processes; anterior process a low, thin, tongue shaped mound covered with scale‐ like tubercles, and posterior process a wider and higher mound also covered with scale‐ like tubercles ( Figs. 49‐50 ); posterior process with a shallow posteromedian notch.

Female subgenital plate. Abdominal sterna 7 and 8 separated by membrane, or sometimes poorly fused by faint sclerite. Subgenitalplate broadly arcuate and usually projecting slightly beyond posterolateral margins of sternum 8 ( Figs. 51 , 65 ).

Figures

Fig. 45. Distribution of Allocapnia virginiana in Mississippi.

Figs. 46‐51. Allocapnia virginiana, Tishomingo Co., Little Cripple Deer Creek, CR 957. 46. Epiproct, dorsal, 47. Epiproct, lateral, 48. Epiproct tip, 49. Male tergum 8 and dorsal process, 50. Male tergum 8, lateral aspect, 51. Female abdominal sterna 7‐9.

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