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.