CHEYSIS. 461 



scape metallic green. Legs green, punctured, covered with long fuscous hair; the 

 tarsi black, the spurs pale. Wings smoky, somewhat paler at the base. 

 Length 8 millim. 



Hob. Mexico, Zacatecas city (Edge). 



Two specimens from Presidio (Forrer) apparently also belong to this species. They 

 are smaller (scarcely 7 millim.), and have the abdomen more strongly punctured, duller, 

 and with scarcely any blue tints ; but otherwise do not differ appreciably. 



2. Chrysis sonorensis. (Tab. XX. figg. 9, 9 a.) 



Green, with cobalt-blue spots, the head with brassy tints ; narrowish, linear ; closely 

 and uniformly punctured, but if anything more strongly on the head, pro- and meta- 

 thorax ; the abdomen not so strongly and more closely punctured than the thorax, the 

 third segment with a coarser punctuation than the second. Basin of face with a very 

 shallow excavation, punctured. Eyes small, oblong. Lateral angles of the metathorax 

 not projecting much, and not outwardly, the projection not reaching to the apex of the 

 metathorax, which is rounded inwardly between the apex of the projection and the 

 centre. Abdomen longer than the thorax, the base scarcely excavated ; the apex of the 

 third segment raised, projecting upwards (especially in the centre), broadly, but not 

 deeply, retreating backwards in the middle ; the eight distinct fovese are large, longer 

 than broad, and moderately deep in the centre, becoming ill-defined laterally ; the third 

 segment is depressed somewhat broadly at the base, broadly raised in front of the fovese ; 

 the fovese-bearing part of the segment is distinctly narrower than the rest of the segment. 

 The pubescence is long, sparse, and fuscous. Antennae green, black towards the apex. 

 Legs green, with blue tints, and covered with pale hair ; tarsi black. Wings clear 

 hyaline, scarcely infuscated towards the base. 



Length 8 millim. 



Hab. Mexico, Northern Sonora (Morrison). 



Closely allied to C. tota, Aaron (olim Integra, Cresson, nee Fabr.) ; but the latter is 

 longer (10-12 millim.), and has not the basin of the face excavated, the eyes " nearly 

 circular," the posterior angles of the metathorax divergent, and the fovese much smaller 

 and round. 



ii. Apical margin of the third abdominal segment notched in the middle. 



3. Chrysis quadri-tuberculata. (Tab. XX. figg. 7, 7 a.) 



Green, with slight bluish reflections ; the head and thorax covered with rather long 

 fuscous hair; the abdomen with a short pale pubescence on the base and apex, the 

 second segment being almost glabrous. Head and thorax coarsely and uniformly 



