Taenionema californicum (Needham & Claassen)

Stewart, Kenneth W., 2009, New Descriptions Of North American Taenionema Larvae (Plecoptera: Taeniopterygidae), Illiesia 5 (12), pp. 128-145 : 132

Taenionema californicum (Needham & Claassen)

( Figs. 69 , 88 , 101 )

Distribution. California.

Material examined. California: Alameda Co., Arroyo Mocho Creek, south of Livermore , 19-III-1985, R. W. Baumann & C. R. Nelson, 2♂ and 2♀ larvae, 20+ additional larvae, 26♂ and 34♀ (field correlated; no congeners collected this locality this date or previously) .

Characters. Color, pigmentation, maxillae, body, leg and cercal setation, and sexual dimorphism generally typical of genus. Body length ♂ 8-8.5 mm, ♀ 9.5- 10 mm. Antennal segments approximately 65. Cercal segments (broken- no count). Both ♂ and ♀ 9 th sterna ( Figs. 88 , 101 ) triangulate behind greatest width, with posterolateral sides slightly convex and apex narrowly rounded; anterior portion triangulate with straight sides.

Figures

Figs. 68-79. Taenionema larvae. 68-75. side views of male terminalia. 68. T. atlanticum. 69. T. californicum. 70. T. grinelli. 71. T. jewetti. 72. T. oregonense. 73. T. pacificum. 74. T. pallidum. 75. T. raynorium. 76. T. umatilla side view of female terminalia. 77-79. female terminalia, dorsal. 77. T. umatilla. 78. T. atlanticum. 79. T. grinelli.

Figs. 87-99. Male Taenionema larval terminalia and 9th sterna, ventral. 87. T. atlanticum. 88. T. californicum. 89. T. grinelli. 90. T. jacobii. 91. T. jeanae. 92. T. jewetti. 93. T. kincaidi. 94. T. oregonense. 95. T. pacificum. 96. T. pallidum. 97. T. raynorium. 98. T. umatilla. 99. T. uinta.

Figs. 100-112. Female Taenionema nymph terminalia and 9th sterna, ventral. 100. T. atlanticum. 101. T. californicum. 102. T. grinelli. 103. T. jacobii. 104. T. jeanae. 105. T. jewetti. 106. T. kincaidi. 107. T. oregonense. 108. T. pacificum. 109. T. pallidum. 110. T. raynorium. 111. T. umatilla. 112. T. uinta.