178 SCOLIID.'E. 



1. Myzine riificoniis. 



Male. Length 3-3:J lines. — Elack : tlio fliipjellum of the antenna; 

 and apical segment of the abdomen ferni;^iiious : the segments of 

 the abdomen constricted, and, ns well as the thorax and head, 

 variegated witli ytllow. The mandibles yellow, with tlieir tii)S 

 ferruginous. The margins of the prothorax, the tegulas, scutellum, 

 tibia?, tarsi, and tips of the femora, yellow : wings subhyalino. 

 Abdomen with yellow marginal fasciao that are expanded laterally ; 

 beneath black. 



Hah. Sicily. 



2. Myzine nigrifrons. 



Male. Length 6-6| lines, — Head and thorax black, the latter with 

 yellow markings, and the tibice and tarsi yellow ; abdomen with 

 yellow fascial The mandibles yellow at their base ; the face and 

 cheeks Avith white pubescence, that at the insertion of the antennaj 

 pale ochraceous. The margins of the prothorax yellow ; a spot 

 beneath the wings, the femora beneath and at their apex, as wel 

 as the tibia? and tarsi, yellow : wings hyaline, nervures fusco- 

 ferruginous, the stigma feiTUginous. Abdomen shining and finely 

 punctured ; the apical margins of the segments with yellow fascia 

 that gradually widen laterally, the fascia? continued beneath the 

 abdomen, and are abruptly widened in the middle, 



Var. The spot on the mandibles and the yellow margins of the pre 

 thorax obsolete. 



Hah. Sicily. 



3, Myzine torrida. 



Female. Length 6 lines, — Head and thorax black, legs and abdo- 

 men ferruginous. Head strongly but not very closely punctured, 

 most densely so on the face ; the mandibles and tips of the scape 

 and flagellum ferruginous. The prothorax, the hinder margin of 

 the mesothorax, and the scutellum punctured : the metathorax 

 somewhat obliquely truncate, but not abruptly so, and having a 

 central longitudinal channel that terminates at the verge of the 

 truncation ; wings hyaline, with a slight fuscous cloud in the 

 marginal cell ; the tibiae and tarsi with pale glittering setae. 

 Abdomen smooth and shining, the apical segment longitudinally 

 striated. 



Hah. The Gambia, 



4, Myzine insnlaris. 



Female. Length lOj lines, — Shining black, with fulvo - hyaline 

 wings, the nervures ferruginous, tegulae rufo-testaceous. The an- 

 tennae fulvous beneath ; the mandibles thickly fringed beneath 



