NO. 2105. NEW SPECIES OF HYMENOPTERA—ROHWER. 245 



the e3^es at the top shghtly greater than the length of the second, 

 third, and fourth antennal joints; fu-st joint of flagellum distinctly 

 shorter than the second; dorsal margin of pronotum with a median 

 notch; mesothorax with fine, distinct, close punctures; scutellum not 

 impressed; dorsal sm-face of propodeum with a raised area which is 

 pointed posteriorly, with transverse fine striae, and a median longi- 

 tudinal furrow; sides of propodeum finely punctured; third cubital 

 cell longer on the radius than second; pygidium about twice as long 

 as the basal width, rounded apicaUy, with a few scattered punctures. 

 Black; tegulae and tarsi ruf o-testaceous ; first three abdominal seg- 

 ments orange color; wings hyahne, yellowish; venation yellow. 



Alale. — Length 8 mm. What may be the male differs from the 

 description of the male of conferta as follows: space between the eyes 

 at vertex greater than the second, third, and fourth antennal joints; 

 scutellum not impressed. Differs from the female in the hyahne 

 wings, slightly darker venation and in being rather more coarsely 

 sculptured. 



Denver, Colorado. One female collected August 1 (type). One 

 male from C. F. Baker Collection, Colorado. 



Type.— C&t. No. 14409, U.S.N.M. 



LARROPSIS DOLOSANA, new species. 



Superficially like vegata (Fox)', but is very distinct from that spe- 

 cies. In Fox's table it runs to -dolosa (Fox), from which it may be 

 separated as follows: Length 13.5 mm.; abdomen black; stria? of 

 the posterior face stronger than those of the sides of the propodeum; 

 a narrow area on each side of the frontal line sparsely punctured; 

 tarsi black. Female. 



Gowan, Washington. One female collected by J. A. Hyslop, 

 August 24, 1911. Carrying a female Orthopteran belonging to the 

 genus PJirixocnemis. 



Type.— 1U08, U.S.N.M. 



Genus PIAGETIA Ritsema. 



Dicranorhina Shuckard 1840 not Hope 1837. 



Turner^ states that Dicrawof/nna Shuckard should replace Piagetia 

 Ritsema (1872) because Dicranorhina Hope 1837 was emended to 

 DicranorrMna. This is not in accord with International Code of 

 Zoological Nomenclature. The emendation of DicranorMna Hope 

 wiU rank as a synonym of the same genus, and Dicranorhina 

 Shuckard being preoccupied, can not replace Piagetia Ritsema. 



1 Ann. Mag. Nat. Hist., ser. 8, vol. 9, 1912, p. 199. 



