194 ANDREAS SEMENOW, REVISIO HYMENOPTERORUM fflUSEI ZOOLOGICI [ï. XIII 



Subgen. III. ZARAEA Leach. 



1 (8) Unguiculis muticis. 



2 (7) Antennis nigris, corpore aeneo-nigro. 



3 (6) Scutello deplanato; alis anticis dilute fuscescentibus, basi maculaque 



in cellula l a discoidali sita et fascia ante apicem subhyalinis; corpore 

 minus obscuro, nitore metallico distinctissimo; femina abdomine 

 unicolori; mas abdomine plaga dorsali velutino-tomentosa, etsi parum 

 determinata, attamen bene distincta ornato, torulis lateralibus nullis. 



4 (5) Capite thoraceque crebre punctulatis ideoque subopacis, longe ac 



dense nigro-pilosis; antennis longioribus, clava modice incrassata. 

 Long. 9% — 11 mm. 



A. mutica Thoms. <$$. 



5 (4) Capite thoraceque sat sparsim punctulatis (praesertim in $) ideoque 



nitidulis, brevius ac minus dense nigro-pilosis; antennis brevioribus, 

 clava fortiter incrassata (praecique in Ç). — Long. 9 mm. 



A. sibirica Mocs. <5$. 7 ) 



6 (3) Scutello convexo, transverse elato; alarum anticarum basi albida, 



fascia media sine macula dilutiore; corpore vix punctulato, obscuro, 

 nitore metallico vix distincte; femina segmento primo abdominali 

 ventrisque basi albidis, nonnunquam metathorace quoque concolori; 

 mas abdomine absque plaga dorsali velutino-tomentosa, segmentis 

 7° et 8° utrinque torulo e pilis nigris praeditis, oculis in vertice sub- 

 contiguis. — Long. 10 — 12 mm. 



A. fasciata L. $2- 



7 (2) Antennis inde ab apice articuli 3 Ü rufo-testaceis, apice interdum 



leviter infuscatis; corpore aureo-cupreo, genubus, tibiis, tarsis ven- 

 trisque maxima parte rufo-testaceis; alarum anticarum basi albida, 

 fascia media in cellula discoidali l a maculam dilutiorem continente; 

 abdomine maris sine plaga velutino-tomentosa dorsali; oculis maris 

 in vertice subcontiguis; feminae vagina glutiniis sat magnis, apice 

 divergentibus. — Long. 10 — 12 mm. 



A. aurulenta Sich. <$$. 



8 (1) Unguiculis bifidis; abdomine in mare plaga dorsali velutino-tomen- 



tosa distincta ornato. 



7) Cf. supra, nota 3 a hujus opusculi. 



Bulletin H. S. II (XXXIV) p. 516. 



