Allocapnia harperi Kirchner, 1980

Stark, Bill P. & Kondratieff, Boris C., 2012, Epiproct And Dorsal Process Structure In The Allocapnia Forbesi Frison, A. Pygmaea (Burmeister), And A. Rickeri Frison Species Groups (Plecoptera: Capniidae), And Inclusion Of A. Minima (Newport) In A New Species Group, Illiesia 8 (5), pp. 45-77 : 69

Allocapnia harperi Kirchner

( Figs. 85-90 )

Allocapnia harperi Kirchner 1980:19 .

Holotype ♂ (United States National Museum), East Fork Stony Fork Reed Creek , Wythe Co., Virginia

Material examined. Virginia: Tazewell Co., Station Spring Creek, 15 February 1982, B. C. Kondratieff, 10♂, 1♀ ( CSUC). Wythe Co. , East Fork Stony Fork , Hwy 11, 26 January 1980, R. F. Kirchner, 2♂, 4♀ ( BPS). Wythe Co., East Fork Stony Fork, Rt 717, 26 February 1999, B.C. Kondratieff, R. F. Kirchner, 20♂, 5♀ ( CSUC) .

Male epiproct. Apical segment of upper limb ca. 303 μm long, and armed on the apical ca. 186 μm with dense patch of wave-like spikes ( Figs. 85-88 ); apical segment ca. 145 μm wide at base, gradually narrowed to a bluntly rounded tip. Basal segment of upper limb ca. 541 μm long and ca. 85 μm wide near midlength; basal segment bears a shallow, longitudinal groove in basal half. Greatest width of lower limb about as wide as apical segment of upper limb, but not clearly projecting beyond margins of apical segment.

Male tergal process. Prominent raised bilobed structure on abdominal tergum 8 ( Figs. 89-90 ); process on tergum 8 ca. 256 μm wide and covered with scale-like structures. Lobes of tergum 8 process small, ear-like, directed caudally and obliquely oriented on segment; notch ca. 140 μm.

Figures

Figs. 85-90. Allocapnia harperi, Station Spring Creek, Tazewell Co., Virginia. 85. Male terminalia, dorsal. 86. Apical segment upper limb of epiproct, dorsal. 87. Apical segment upper limb of epiproct tip, dorsal. 88. Surface detail apical segment upper limb of epiproct, dorsal. 89. 8th tergal process and epiproct tip, lateral. 90. 8th tergal process and epiproct tip, anterodorsal.