154 



scattered white hair ; basal membrane and abdomen rufous ; abdomen 

 rather stout ; ovipositor and legs black ; posterior coxae rufous at 

 base ; wings clouded, semitransparent ; nervures back. Hab. Maine. 

 (Mr. Scudder and Mr. Packard.) 

 Two specimens. 



9. D. Tejoniensis, (n. sp.) Rufous; head black; wings dark. 

 (Long. 0.48, Ex. alar. 0.90 in.) 



9 . Rufous ; head black ; antennae stout ; vertex punctured ; sum- 

 mit shining, a sinus behind ocelli ; thorax above smooth ; abdomen 

 stout ; ovipositor, pectus, and legs black ; anterior tibise and tarsi 

 ruby red beneath ; wings violaceous black, semitransparent. Hab. 

 California, Fort Tejon. (Smith. Inst.) 



Two specimens examined. 



DoLERUs, Heach. 



" Third and fourth joints of antennie of equal length. In other 

 respects resembles Dosytheus." 



The color of the body is black or blue-black. In both of these 

 genera the inner spine of anterior tibiae is bifid, but more minutely 

 in Dolerus. The apical joints of the antennae are, in the following 

 species, rather longer than in Dosytheus, and the antennae longer and 

 more slender. 



1. D. SERiCEUS. Say. Long's 2d Ex. 2, 320. "Entirely black, 

 immaculate. Inhabits United States." Maine, Mass., Conn., New 

 York, Mo. 



" (5 . V . Body, particularly the venter and feet, sericeous ; with 

 short hairs ; wings dusky ; tergum glabrous, polished. Length seven 

 twentieths of an inch." 



Nine specimens, one of which, the female, is larger than the males. 



2. D. (Tenthredo) unicolor. P. de Beauv. Ins. Af. et Am. 97.7. 

 " Black bronze, antennse setaceous ; nine articles. It is all one color, 

 black, with reflections of bronze, violet, and copper ; wings trans- 

 parent and almost white. On the corselet one sees three eminences ; 

 a little cordiform." 



$ . Length, six twentieths of an inch. 



Eleven specimens, all males, from Maine, Mass., Ct., and Missouri. 



The color is distinctly bluish or violet. Mr. Say has noted that 

 the three apical joints of the antennae of this (especially the last 

 joint) are longer than those of .D. sericeus. 



Emphytus, Leach. 

 Antennae nine-jointed ; third and fourth joints of equal length ; 

 wings with two marginal and three sub-marginal cells, the first as 

 long as the second, generally longer ; the first receiving one recur- 

 rent nervure, the second two. 



