HYMENOPTERA FROM LOWER CALIFORNIA. II5 



ment this hair extends from one side to the other. Length, 

 6 mm. 



El Chinche, September. Two specimens. Resembles 

 greatly the S of C. pauper Cr., but differs b}' the longer 

 antennae. It seems to be closely related to C. citripes 

 Ashm., but differs from the description of that species in 

 several characters. 



Calliopsis scaber n. sp. 



$ . — Robust; deep black, shining; a spot at the base 

 of four anterior tibia? yellow; head coarsely punctured ; 

 clypeus with a longitudinal, central impressed line; la- 

 brum with a depressed, smooth, enclosed space, which has 

 a short keel reaching to about the middle ; on the front 

 near the orbits is a deep, short, impression or excavation; 

 punctures of vertex coarser than those of the front; 

 flagellum clavate, the first joint distinctly longer than the 

 second; prothorax and tubercles bordered above with 

 grayish pubescence or pile ; dorsulum strongl}- and sparse- 

 ly punctured, the scutellum and postscutellum much more 

 closely so; enclosure at base of metathorax longitudinally 

 ridged; just behind this enclosure the metathorax is 

 smooth, but beyond this finely punctured; mesopleura? 

 with exceedingly coarse punctures ; legs clothed with 

 long, pale pubescence, especially the posteriors; wings 

 subhyaline, iridescent, darker apically, nervures and 

 stigma black, second submarginal cell slightly longer 

 than the first; abdominal segments, except apical margin 

 deeply punctured, more finel}' so ventrally; fifth dorsal 

 segment on sides and apically and the sixth laterally with 

 long, dense, pale pubescence, which is tinged with brown- 

 ish. Length, 8 mm. 



El Taste, 3,400 feet. One specimen. Related to C . 

 tnexicaniis Cress., but differs by sparser punctuation of dor- 

 sulum, the impression on front near the orbits is shorter 



