HALICTUS. 439 



770. Halictus xystonotus, Vachal, Ann. Mas. Civ. Gen. (2») xiv, 



1894, p. 4yG, $ . 



2 . Head, thorax, and abdoiiiea glabrous, with a very few 

 scattered punctures; head broad, front slightly concave not cariuate, 

 the punctures on it closer and finer ; eyes not convergent below ; 

 mesoiiotum broad, convex, bearing a conspicuous medial line 

 longitudinally-impressed line and another short parallel hne on 

 each side ; median segment truncate posteriorly, the sides rounded, 

 the hniate space at base coarsely reticulate, the basal segment only 

 with a transverse subapical impressed line. Black, shining, the 

 sides of the pronotum and the postscutellum covered densely with 

 fulvous pubescence; legs with black pubescence above and ferru- 

 ginous beneath ; abdomen with a fulvous-yellow pubescent spot on 

 each side of the 2ud and 3rd abdominal segments at base ; anal 

 rima ferruginous ; wings hyaline, slightly fuscescent, nervures 

 piceous. 



Hab. Palon, near Rangoon, Burma. $ . Leiujth 8; exp. 17 mm. 



771. Halictus amitinus, Vachal, Ann. Mus. Civ. Gen. (2*) xiv, 1894, 



p.442, ?. 



2 . Head and thorax sparsely, the front above the antenna) 

 more closely punctured, the punctures here running into oblique 

 inwardly directed stri;e ; abdomen smooth, shining, and somewhat 

 long and cylindrical ; eyes not convergent below ; face above the 

 clypeus convex ; median segment broadly truncate posteriorly, the 

 sides slightly convergent, the space at base above coarsely reticulate 

 and margined. Black, the sides of the thorax and apex of the 

 median segment with sordid white pubescence, the clypeus fringed 

 and the legs densely covered with ferruginous pubescence ; the 

 margins of the abdominal segments above densely testaceous, be- 

 neath fringed with ferruginous hairs; anal rima fulvo-ferruginous; 

 wings dusky hyaline, nervures piceous. 



Hah. Karen Hills, Burma. $ . Length 9 ; exp. 15 mm. 



772. Halictus rufo-zonatus, Vachal, Ann. Mus. Civ. Gen. (2'0 xiv, 



1894, p. 442, $ . 



5 . Head above and thorax with fine scattered punctures ; on 

 the front beneath the ocelH the punctures are somewhat closer ; 

 front slightly elongate, the eyes not convergent beneath ; median 

 segment abruptly truncate posteriorly, the sides as well as the 

 apex above margined, the face of the truncation with a short 

 medial vertical carina, the lunate space at base coarsely reticulate ; 

 abdomen broadly oval, smooth and shining. Black, the apical 

 margins of the basal two abdominal segments broadly rufo-testa- 

 ceous ; the head, thorax, and abdomen covered with a thin and 

 short and the legs with a dense long pale pubescence ; anal rima 

 fulvous ; wings hyaline, slightly fuscescent, nervures and tegulae 

 pale testaceous. 



llah. Bhiuno, Upper Burma. § . Length 8*5-9 ; erp. 15 mm. 



