AUT. 8 SAWFLIES FROM SIBERIA ROHWER 3 



ARGE METALLICA (Klug) 



Two females from Kongaus, Siberia, collected August, 1923, One 

 collected by T. D. A. Cockerell, the other by A. I. Lavrushin. These 

 agree very well Avith Konow's redescription of the species. The 

 specimen collected by Cockerell has the flagellum ferrugineous Avhile 

 the specimen collected by Lavrushin has the flagellum black. 



ARGE KONGAUENSIS, new species 



Related to nielanochroa (Gemlin) and cymieocrocera (Forster) 

 but is more robust and the head is distinctly expanded behind 

 the eyes. 



Female. — Length, 8.5 mm. Anterior margin of the clypeus with 

 a broad, quadrate emargination, the lobes narrowed and broadly 

 rounded; supraclypeal area carinated; antennal foveae very deep 

 and continuous with the supraclypeal foveae; frontal fovea very 

 sharply defined, acutely angled ventrally with a well-defined pit 

 opposite the level of the antennae and with an indistinct transverse 

 ridge ventrad of the pit, the fovea not extending dorsally to the 

 level of the anterior ocellus; postocellar furrow obsolete; basal vein 

 and cubitus interstitial on the subcosta; stigma angulate basally. 

 tapering to an acute apex; third intercubitus gently curved so the 

 third cubital cell is slightly longer on radius; the nervulus in the 

 middle of the cell. Metallic green; palpi ferrugineous; tergites 

 2 to 4 and most of the sternites obscurely ferrugineous; legs black; 

 anterior femur beneath and all of the tibiae and tarsi luteous ; wings 

 yellowish, hyaline, with a distinct inf uscate cloud beloAv the stigma ; 

 venation dark brown; costa and anterior Iialf of subcosta yellow; 

 head and thorax clothed with sparse gray hair. 



Type-locality. — Kongaus, Siberia. 



Described from a single female collected August, 1923, by T. D. 

 A. Cockerell. 



Ty2Je.~C2Lt. No. 27614, U.S.N.M. 



ARGE NYEMITAWA, new species 



This species runs to herberidis (Klug) in Konow's key but the 

 flagellum is more robust and the head is expanded behind the eyes. 

 Besides the noncompressed flagellum this new species may be sep- 

 arated from certain species from eastern Asia as follows: From 

 verticosa Konow by the position of the nervulus; from accliviceps 

 Konow by head characters; from carinicomis Konow, s'miilis Voilen- 

 hoven and coinpar Konow, by the short flagellum. 



Female. — Length, 10 mm. The anterior margin of the clypeus 

 very sligthly arcuately emarginate; supraclypeal area broadly con- 

 vexed without a median carina; antennal and supraclypeal foveae 



