6 PROCEEDINGS OF THE NATIOISTAL MUSEUM VOL.77 



These show a range from Quebec to Pennsylvania, the other 

 province and States represented being Ontario, Maine, New Hamp- 

 shire, Massachusetts, and New York. 



The male in the collection of the Boston Society of Natural His- 

 tory is listed by C. W. Johnson as aethiops Cresson in the Mount 

 Desert list. 



ODONTOMERUS BICOLOR Cresson 



Odontomerus Moolor Ckesson, Trans. Amer. Ent. Soc, vol. 3, 3^70, p. 169. — 

 Peovancheb, Faune Ent. Can, Hym., 18S3, p. 490. — Bradley, Bull. Brooklyn 

 Ent. Soc., vol. 13, 1918, p. 102.— Rohwkr, Proc. U. S. Nat. Mus., vol. 57, 

 1920, p. 456, female. 



The discussion of this species is based on the two Texan speci- 

 mens mentioned by Rohwer, one of which was compared by him 

 with the type and labelled a homotype. I have not seen the type. 



Thus far the male is unknown, but the female is very distinct. 

 A few of its characteristic features are used in the key. Others are 

 as follows : Head behind ejes broader than at eyes, the temples 

 longer from front to back than short diameter of eyes; face and 

 temples coarsely punctate, the punctures on the face more dense but 

 not crowded; postocellar and ocellocular lines about equal and 

 nearly twice as long as diamter of an ocellus.; flagellum very slender 

 with all joints strongly elongate, the basal joint only a little longer 

 than second; head, thorax, petiole, and legs with very long suberect 

 hair that is especially conspicuous on the legs; thorax so depressed 

 that it is conspicuously broader than deep with its dorsal and 

 ventral surfaces distinctly flattened, its dorsal line in profile nearly 

 straight from prescutum to apical carina of propodeum; metapleu- 

 rum and sides of propodeum coarsely rugoso-punctate ; mesoscutum, 

 scutellum, pleurum, and sternum polished and sparsely punctate; 

 notauli strongly foveolate; propodeum with its upper surface un- 

 usually long and flat, the combined median areas correspondingly 

 long and narrow and only slightly constricted at junction of basal 

 area and areola ; carinae defining the very short vertical petiolar area 

 strong, with elevations at the intersections of the longitudinal ca- 

 rinae; hind femur very thick, with a roundly elevated denticulate 

 keel behind the rather slender tooth; apical joint of hind tarsus 

 distinctly longer than second but not fully twice as long as third; 

 second and third tergites very finely transversely aciculated; ovi- 

 positor fully a half longer than body. 



ODONTOMERUS ABDOMINALIS Cresson 



Odontomerus ahdominaUs Cresson, Proc. Ent. Soc. Philadelphia, vol. 4, 1865, 

 p. 289.~RoHWEE, Proc. U. S. Nat. Mus., vol. 57, 1920, p. 4.56, female. 



The specimens referred to this species by Bradley are strangaliae 

 Rohwer. In his paper Bradley mentions only two specimens, but in 



