Sasquacapnia, Baumann & Broome, 2019

Broome, Hannah Jean, Stark, Bill P. & Baumann, Richard W., 2019, A Review Of The Genus Bolshecapnia Ricker, 1965 (Plecoptera: Capniidae), And Recognition Of Two New Nearctic Capniid Genera, Illiesia 15 (1), pp. 1-26 : 22

Key to Adult Sasquacapnia

1 Long finger-like epiproct present on dorsobasal aspect of abdomen ( Fig. 61 ) .................... Males, 2

1’ Abdomen without dorsobasal finger-like epiproct …………….…………............. Females, 3

2 Epiproct bottle-shaped in dorsal aspect ( Figs. 67, 70 ), sinuate in lateral aspect with apex curved downward ( Fig. 71 ); dorsobasal sclerite about 3 times long as basal width ( Fig. 72 ) ……………………………………....... S. sasquatchi

2’ Epiproct long and narrow, not distinctly bottle shaped in dorsal aspect ( Fig. 56 ); angled abruptly upward along a relatively straight line beyond apex of dorsobasal sclerites ( Fig. 60 ); dorsobasal sclerites about 5.5 times long as wide ( Figs. 57 , 63 ) ………..................... S. missiona

3 Subgenital plate rounded across posterior margin and bearing a shallow median notch ( Fig. 66 ) …………………...................... S. missiona

3’ Subgenital plate usually truncate and without a median notch …………...…........…... S. sasquatchi

Figures

Figs. 61-66. Sasquacapnia missiona, male and female reproductive structures. All localities in Montana. 61. Flathead Co., Kootenai Creek, male epiproct and terminal abdominal segments dorsal. 62. Flathead Co., Kootenai Creek, epiproct oblique lateral. 63. Flathead Co., Kootenai Creek, epiproct base dorsal. 64. Flathead Co., Kootenai Creek, epiproct apex dorsal. 65. Flathead Co., Kootenai Creek vesicle ventral. 66. Missoula Co., Grant Creek, female abdomen and subgenital plate ventral.

Figs. 67-72. Sasquacapnia sasquatchi, male reproductive structures, localities in Washington (67-68), and British Columbia (69-72). 67. Whatcom Co., Razor Hone Creek, male epiproct and terminal abdominal segments dorsal. 68. Whatcom Co., Razor Hone Creek, epiproct base dorsal. 69. Manning Park, Similkameen River, epiproct apex dorsolateral. 70. Manning Park, Similkameen River, epiproct dorsal. 71. Manning Park, Similkameen River epiproct lateral. 72. Manning Park, Similkameen River, epiproct base dorsal.

Figs. 55-60. Sasquacapnia missiona, male reproductive structures. All localities in Montana, Missoula Co., Grant Creek. 55. Male epiproct and terminal abdominal segments dorsal. 56. Epiproct and terminal abdominal segments dorsal. 57. Epiproct base dorsal (ds = dorsobasal sclerite). 58. Epiproct apex dorsal. 59. Epiproct apex lateral. 60. Epiproct lateral.