THE CANADIAN ENTOMOLOGIST 337 



DESCRIPTIONS OF AND OBSERVATIONS ON SOME 

 CHALCIDOID HYMENOPTERA— II. 



BY A. A. GIRAULT, GLENN DALE, WD. 



Eurytoma pachyneuron, new species. 



Female — Length 1.16 mm 



Agrees with the type of crassineura Ashmead except as fol- 

 lows: The legs are reddish brown except mt)st of the caudal 

 tibia dorsad and a spot on the caudal coxa, also most of the middle 

 tibia and the caudal femur more or less centrally above; the 

 marginal vein is somewhat longer; .funicle 1 is much slenderer 

 and longer, over thrice longer than wide at apex (in crassineura 

 only over twice longer than. wide); funicle 2 is twice longer than 

 wide (only a third longer than wide in the other species) ; the 

 size is smaller; the median channel of the propodeum is single 

 (double and wider in the other, no median basin in either). Tegulae, 

 ventral edge and proximal half of scape, reddish Vellow. Um- 

 bilicately punctate. Petiole short. Abdomen polished above. 



Described from one female reared in connection with Isosoma, 

 Glendale, California (T. D. Urbahns). 



Ty^Jg— Catalogue No. 20321, U. S. N. M., the above female 

 on a tag, the wings, caudal legs and antennae on a slide with an 

 antenna of type crassineura female. 



A second female from Halliday, Utah (C. W. Creel) but differ- 

 ing in having the sides of the median channel very finely punctate, 

 the sculpture finer than in the types and the legs entirely reddish 

 yellow\ 



Xanthcsoma nigricornis Ashmead. Genotype. 



This is merely an Eurytoma with a fine sculpture. 



Eurytomocharis minuta Ashmead. Genotype. 

 Marginal, postmarginal and stigmal veins subequal, the 

 stigmal long. Club solid. Funicle 1 a little longer than wide, 

 2 globular, 3-5 each a little wider than long. Caudal tibial spurs 

 double. Otherwise as in Eurytoma. Generic characters are the 

 solid club and not otherwise. Type examined. 



Decatomidea cooki Howard. 

 This is a varicoloured species of Eurytoma and is characterized 

 (besides colours) by bearing a rounded, densely, finely punctate 



October, 1916 



