Allocapnia mystica Frison, 1929

Nations, Tina M., Stark, Bill P. & Hicks, Matthew B., 2007, The Winter Stoneflies (Plecoptera: Capniidae) Of Mississippi, Illiesia 3 (9), pp. 70-94 : 77-80

Allocapnia mystica Frison

Allocapnia mystica Frison, 1929 . Holotype male, small tributary to Salt Fork River, Oakwood, Illinois Allocapnia mystica: Stark & Lacey, 2005 . SEM of male

Allocapnia mystica

Distribution. AL, AR, GA, IL, IN, KY, MO, MS, OH, IN, VA, WV ( Stark & Baumann 2006). Mississippi populations have been reported in Clarke, Lauderdale, Lowndes, Pontotoc, Tishomingo, Union and Webster counties ( Stark 1979; Stark & Lacey 2005) and in this paper new records are given for Alcorn County, Attala County, Calhoun County, Chickasaw County, Choctaw County, Clay County, Kemper County, Leake County, Montgomery County, Neshoba County, Noxubee County, Oktibbeha County, Panola County, Prentiss County and Winston County. This species is particularly common in east central counties and also occurs in several northern countiesbutall knownsitesare well to the east of Interstate 55 except for those in Panola County.

Mississippi collection data. ( Fig. 17 ). Alcorn Co., Clear Creek, Hwy 72, 34 ° 54’ 04.0” N, 88 ° 28’ 64.7” W, 8 January 2007, B. Stark, 1 ♂. Attala Co., Hurricane Creek, CR 3022, 33 ° 06’ 93.2” N, 89 ° 32’ 58.6” W, 19 December 2006, B. Stark, 34 ♂, 9 ♀; Zilpha Creek, Hwy 43, 33 ° 14’ 83.5” N, 89 ° 32’ 03.1” W, 19 December 2006, B. Stark, 3 ♂, 1 ♀. Calhoun Co., Tributary to Skuna River, Hwy 32 at CR 155, 34 ° 03’ 11.6” N, 89 ° 13’ 67.7” W, 22 December 2006, B. Stark, 3 ♂, 2 ♀. Chickasaw Co., Cane Creek, Hwy 15, 33 ° 46’ 60.5” N, 89 ° 02’ 74.6” W, 8 January 2007, B. Stark, 1 ♂; Cane Creek, Hwy 389, 3 January 2000, B. Stark, M. Alford, 3 ♀. Choctaw Co., Big Bywy Ditch, Huntsville Road, 33 ° 25’ 53.5” N, 89 ° 26’ 19.1” W, 19 December 2006, B. Stark, 2 ♂, 2 ♀. Clarke Co., Rocky Creek, Hwy 18, 18 December 2002, B. Stark and J. Lacey, 3 ♂. Clay Co., Johnson Creek, Billy Wooten Road, 26 January 2006, M. Hicks, 2 ♂, 1 ♀; Prairie Creek, Hwy 46, 3 January 2000, B. Stark, M. Alford, 1 ♀. Kemper Co., Wahalak Creek, Wahalak Road, 32 ° 52’ 94.9” N, 88 ° 33’ 96.4” W, 14 December 2006, B. Stark and M. Hicks, 9 ♂; Scooba Creek, Hwy 16, 32 ° 48’ 73.5” N, 88 ° 31’ 92.3” W, 14 December 2006, B. Stark and M. Hicks, 21 ♂, 11 ♀; Pushacoona Creek, Hwy 16, 28 December 2006, M. Hicks, 1 ♂, 5 ♀; Bodka Creek, Hwy 45, 28 December 2006, M. Hicks, 1 ♂, 4 ♀. Lauderdale Co., Tallahatta Creek, I‐20, 10 miles West of Meridian, 15 January 1977, B. Stark and L. Temple, 1 ♂, 2 ♀; Sucatolba Creek, Kewannee Road, 28 December 2006, M. Hicks, 1 ♂. Leake Co., Bibalucta Creek, Salem Rd, 28 December 2006, M. Hicks, 2 ♂. Lowndes Co., Mayhew Creek, Hwy 12, 29 December 1998, B. Stark, 7 ♂. Montgomery Co., Little Poplar Creek, Hwy 407, 33 ° 21’ 01.8” N, 89 ° 32’ 54.3” N, 19 December 2006, B. Stark, 5 ♂, 1 ♀; Poplar Creek, Bethel Road, 33 ° 21’ 25.3” N, 89 ° 32’ 31’4” W, 19 December 2006, B. Stark, 9 ♂. Neshoba Co., Jofuska Creek, River Road, 28 December 2006, M. Hicks, 2 ♂; Lukfapa Crk, River Rd, 28 December 2006, M. Hicks, 1 ♀. Noxubee Co., Shuqualak Creek, Hwy 45, 20 December 2006, M.Hicks and M. Howarter, 20 ♂; Hashuqua Creek, Butler Road, 20 December 2006, M. Hicks and M. Howarter, 2 ♂; Dry Creek, Hwy 45, 20 December 2006, M. Hicks and M. Howarter, 1 ♂, 1 ♀; Wolf Creek, Simmons Road, 20 December 2006, M. Hicks and M. Howarter, 20 ♂, 3 ♀. Oktibbeha Co., Sand Creek, 27 December 2006, M. Hicks, 3 ♂, 2 ♀; Lick Creek, Tobe Henry Road, 27 December 2006, M. Hicks, 14 ♂, 9 ♀; Chinchahoma Creek, Hwy 25, 27 December 2006, M. Hicks, 1 ♂, 4 ♀; Cypress Creek, Sturgis West Point Road, 27 December 2006, M. Hicks, 2 ♂, 3 ♀; Self Creek, Self Creek Road, 27 December 2006, M. Hicks, 10 ♂, 1 ♀; Talking Warrior Creek, Hwy 25, 27 December 2006, M. Hicks, 4 ♂; Trim Cane Creek, Sturgis West Point Road, 27 December 2006, M. Hicks, 22 ♂, 2 ♀. Panola Co., East Floyd Creek, Hwy 315, 34 ° 26’ 27.7” N, 90 ° 02’ 13.6” W, 6 January 2007, B. Stark, 30 ♂, 5 ♀; Tributary McIvor Canal, Hwy 315, 34 ° 26’ 27.2” N, 90 ° 00’ 05.7” W, 6 January 2007, B. Stark, 4 ♂, 2 ♀. Pontotoc Co., Miller Creek, Hwy 6, 10 February 1979, B. Stark, P. Hartfield and C. Cooper, 1 pharate ♂. Prentiss Co., Tributary to Big Brown Creek, CR 1341, 34 ° 41’ 53.5” N, 88 ° 26’ 30.5” W, 23 December 2006, B. Stark, 1 ♂. Tishomingo Co., Little Cripple Deer Creek, Route 957, 4 January 2000, B. Stark and M. Alford, 12 ♂. Union Co., Tishomingo Creek, Hwy 30, East of Graham, 9 February 1977, B. Stark, P. Hartfield and C. Cooper, 2 ♂, 2 ♀. Webster Co., Line Creek, 9 miles N Mathiston, Natchez Trace Parkway, 5 February 1977, B. Stark, 10 ♂, 2 ♀; Line Creek, Hwy 15, 3 January 2002, 33 ° 39’ 31.7” N, 89 ° 03’ 67.8” W, B. Stark and M. Alford, 22 ♂, 8 ♀; Same location, December 2002, B. Stark, 15 ♂, 6 ♀; Samelocation, 28 December 2005, B. Stark and T. Nations, 50 ♂, 10 ♀; Samelocation, 26 January 2006, M. Hicks, 7 ♂, 1 ♀; Samelocation 8 January 2007, B. Stark, 15 ♂, 1 ♀. Winston Co., McQuirter Creek, Hwy 14, 27 December 2006, M. Hicks, 14 ♂, 5 ♀; Jones Creek, Loakfoma Road, 27 December 2006, M. Hicks, 2 ♂, 1 ♀; Noxapater Creek, Hwy 25, 27 December 2006, M. Hicks, 31 ♂, 11 ♀; Tallahaga Creek, Hwy 14, 27

December 2006, M. Hicks, 1 ♀.

Male epiproct. Upper limb of epiproct long, conspicuously angled near midlength, ending in a broadly rounded tip ( Fig.19 ). Apical half of upper limb covered with short, posteriorly directed, appressed spines; a narrow, median groove divides apical section of upper limb ( Figs.18, 20 ). Tip of upper limb has an irregular cluster of short hairs extending beneath the epiproct for about 1/8th of its length. In lateral aspect, upper limb only slightly inflated at apex and lower limbbears deep, subapical notches and a small downturned tip ( Fig.19 ).

Male tergal process. The relatively wide and thin 8 th tergal process forms a shallow chevron shaped, and mesally notched projection in dorsal aspect. The small notch separates a pair of narrowly divided, thin knobs; these knobs are covered with scale‐ like tubercles over most of surface ( Figs. 21‐22 ).

Female subgenital plate. Abdominal sterna 7 and 8 completely separated by membrane. Posterior margin of subgenital plate typically produced as a narrow lobe; anterior margin of sternum 8 without small lobes ( Figs. 23 , 61 ).

Figures

Fig. 17. Distribution of Allocapnia mystica in Mississippi.

Figs. 18‐23. Allocapnia mystica, Webster Co., Line Creek, Hwy 15. 18. Epiproct, dorsal, 19. Epiproct, lateral, 20. Epiproct tip, 21. Male tergum 8 and dorsal process, 22. Male tergum 8, lateral aspect, 23. Female abdominal sterna 7‐9.

Figs. 59‐62. Female terminalia. 59. Allocapnia aurora, 60. Allocapnia granulata, 61. Allocapnia mystica, 62. Allocapnia polemistis. fl = fusion line; sgp = subgenital plate.