NO. 1866. NEW 8AWFLIE8 IN U. 8. NATIONAL MUSEUM— ROHWER. 411 



middle and frontal foveae well defined; antennal furrows poorly 

 defined but present; postocellar area well defined, somewhat wider 

 than the cephal-caudad length; head closely punctured except the 

 area between the eyes and the oceUi, wliich is sliining and pohshed; 

 thorax with close and distinct punctures; stigma rounded below; the 

 second and third cubital cells equal on the radius; the post-basitarsis 

 equal in length w^ith the following joints; sheath broadly rounded 

 apically, concave above, convex below. Black; spot on the mandibles, 

 the edge of the labrum, two spots on the posterior margin of the 

 postocellar area, spot on the anterior femora and tibiae beneath, and 

 a spot on the posterior coxae white. Wings hyaline, beyond the stigma 

 fuscous, venation very dark brown. 



Canton, North Carolina. One female collected in June, 1910, by 

 F. Sherman. 



Type.— Csit. No. 14017, U.S.N.M. 



MACROPHYA ERRANS, new species. 



Very close to M. fuliginea Norton and fuscoterminata Rohwer, but 

 the clypeus is broadly arcuately emarginate, with the angles trianguhxr 

 and sharp ; the antennal jfurrows are nearly complete; and from fuli- 

 ginea it differs in having a pale spot on the posterior coxae. 



Female. — Length 9 mm. 



One female from Pennsylvania, from the C. F. Baker collection. 



Type.—Csit. No. 14018, U.S.N.M. 



Genus TENTHREDO LINN^^US. 



TENTHREDO ELEGANTULA (Cresson). 



Allantus elegantulus Cresson, Trans. Amer. Ent. Soc, vol. 8, 1889, p. 17, male 



and female. 

 Labidia opimus var. bigeminus Dyar, Can. Ent., vol. 25, 1893, p. 195, female. 



The type of higeminus Dyar does not differ in any way from the 

 description of elegantulus (Cresson). 



TENTHREDO ELEGANTULA OREGANA, new subspecies. 



Female. — Length 10.5 mm. Differs from elegantula elegantula in 

 the black mesopectus and black prescutum. 



Cowallis, Oregon. One female from the Ashmead collection. 

 Type.— Cat. No. 14019, U.S.N.M. 



