HYMENOPTERA FROM LOWER CALIFORNIA. I^ 



APID^. 



Panurgus halictoides n. sp. 



? . — Head and thorax coppery-green, the abdomen tes- 

 taceous; front and ch'peus finely and closely punctured, 

 clothed sparsely with white pubescence ; mandibles fer- 

 ruginous, darker at tips; flagellum beneath testaceous; 

 the cheeks with white pubescence ; punctuation of the 

 dorsulum more distinct than that of the front: upper sur- 

 face of metathorax depressed and covered with strong, 

 somewhat irregular radiating ridges ; the posterior face 

 of metathorax fineh' punctured; the whole thorax is 

 more or less covered with pale pubescence, which is 

 shortest and sparsest on dorsulum and scutellum and long- 

 est on the mesopleura?; legs and abdomen testaceous, 

 more or less clothed with the usual pale pubescence, the 

 apical segment of the abdomen has the pubescence 

 somewhat fuscous; tegular testaceous; wings hyaline, 

 iridescent, nei-vures and stigma brownish. Length 4 

 mm. 



One specimen. San Jose de Gracias, L. Cal. {Haines). 

 April. This species resembles greatly some of the 

 smaller green species of Halictus, but can be distin- 

 guished from them by possessing but two submarginal 

 cells. 



Calliopsis sp. 3an JuHo, L. Cal. {Haines). One 

 specimen, evidently a new species. 



Calliopsis margaritensis n. sp. 



? . — Deep shining black, sparsely clothed with whitish 

 pubescence; clypeus with large, deep and separated 

 punctures and is tolerably well produced anteriorly ; man- 

 dibles reddish at tips; front and face with fine punctures, 

 those on the face sparse, while those between the antenna? 

 and ocelli are compact, the punctures also sparse on the 

 vertex: flagellum beneath testaceous: dorsulum with 



