Vol. XXV] ENTOMOLOGICAL NEWS. I7I 



terior portion granulato-reticulate ; sides of the propodeum coarsely 

 reticulate ; first tergite more coarsely longitudinally striate than the 

 following and with a complete, very prominent median carina; sec- 

 ond and third tergites with fine, well defined longitudinal carinae 

 which extend to the apex of the third tergite; following tergites 

 shining, impunctate. 



Black ; palpi ferruginous ; mandibles, malar space, and scape pice- 

 ous ; tegulae and legs ruf o-f erruginous ; wings hyaline, iridescent, 

 venation pale brown. 



Described from one female from Colorado without definite 

 locality. 



Type.—C2it. No. 16473, U. S. N. M. 



Sympha sericea (Provancher). 



Oenone sericea Provancher, Addit. fauna Canad. Hym., 1888, p. 394. 



Sympha sericea Dalla Torre, Cat. Hym. Vol. 4, 1898, p. 30. 



Original Description. " $ . — Long. .12 pee. Noire avec les pattes 

 jaune-miel. Les mandibules jaunes avec I'extremite noire. Antennes 

 so\'euses, noires, le scape jaunatre en dessous ; les ecailles alaires 

 jaunes. Le mesothorax a 3 sillons bien prononces, se reunissant avant 

 d'atteindre la f ossette de la base de I'ecusson, les 2 lateraux creneles ; 

 le metathorax finement rugueux. Ailes hyalines, le stigma et les ner- 

 vures brun-fonce. Pattes jaune-miel sans aucune tache y compris 

 les hanches. Abdomen sans aucune tache, soyeux, seulement 3 seg- 

 ments; tariere a peine sortante. — Ottawa (Harrington.)" 



^-Idditional Characters. — Head below the antennae with fine, rather 

 close punctures, above the antennae with well separated and well de- 

 fined punctures ; ocelli enclosed by a deep furrow ; median, longi- 

 tudinal line of prescutum complete, well defined, f oveolate ; suture 

 in front of the scutellum with four strong rugae ; dorsal aspect of the 

 propodeum irregularly reticulate on a granular surface, with two 

 raised, but poorly defined longitudinal lines; carapace sculptured to 

 apex, the following segments smooth. 



Above characters taken from a female from the type local- 

 ity, collected by Harrington and now in collections of U. S. 

 N. M. 



Sympha agromyzae new species. 



Female. — Length, 3 mm. Head below the antennae shining, sparse- 

 ly punctured with fine, well defined punctures; above the antennae 

 shining, punctured with sparse but well defined punctures; ocelli en- 

 closed by a strong furrow; antennae 32-jointed, the third joint about 

 one-fourth longer than the fourth; mesonotum with fine, well defined 



