. Bulletin - United States National Museum. Science. 454 U. S. NATIONAL MUSEUM BULLETIN 216 PART 3. ^ .\ i i m 3. ^, • V • ^ f y-^ "X , o\ Figures 250, 251.—Localities: 250 (left), Mesostenus thoracicus; 251 (right), M. eisenii. 9. Mesostenus eisenii Ashmead FiGUEE 337, d Mesostenus eisenii Ashmead, 1894, Proc. California Acad. Scl., ser. 2, vol. 4, p. 129; ?. Type: 9, "El Taste," Baja California, Mexico, 3,400 ft. (San Francisco). Front wing to mm. long; clypeus wide, rather strongly con- vex but its apical half flattened or a little impressed, its apical margin straigh


. Bulletin - United States National Museum. Science. 454 U. S. NATIONAL MUSEUM BULLETIN 216 PART 3. ^ .\ i i m 3. ^, • V • ^ f y-^ "X , o\ Figures 250, 251.—Localities: 250 (left), Mesostenus thoracicus; 251 (right), M. eisenii. 9. Mesostenus eisenii Ashmead FiGUEE 337, d Mesostenus eisenii Ashmead, 1894, Proc. California Acad. Scl., ser. 2, vol. 4, p. 129; ?. Type: 9, "El Taste," Baja California, Mexico, 3,400 ft. (San Francisco). Front wing to mm. long; clypeus wide, rather strongly con- vex but its apical half flattened or a little impressed, its apical margin straight; temple rather short and strongly convex; dorsal end of pre- pectal carina near midheight of pronotum; punctm^es on mesopleurum coarse and strong, separated by about their diameter; apical carina of propodeum complete, in the female a little raised sublateraUy to form weak crests, between the crests strongly bowed forward; areolet square, about as wide as high; second tergite of female subpolished, with small, sparse punctures that are separated by about their diameter; ovipositor sheath about as long as front wing; tip of ovipositor about as long from nodus to apex as it is deep at nodus. Male: Head, body, and hind coxa marked with black, ivory, fulvous, and fuscous as in figm-e 337,d; mouth parts white; antenna black, the scape often brown in front and flagellum with a median dorsal white stripe that covers about 4 segments; front and middle coxae and tro- chanters ivory with fulvous areas or tmges; front and middle legs beyond trochanters fulvous, their fifth tarsal segments brown; hind trochanters, femur, and tibia fulvous, the tibia infuscate dorsally; hind tarsus fuscous, paler at the joints, its third segment sometimes whitish; wings hyaline. Female: Colored like female of M. thoracicus except as follows: Face blackish, white next to eyes; entire prepectus and area below and in front of subtegular ridge black; postscuteUum fulvous or ivory with a


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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience