SALIUS. 177 



* 7. Salius trifasciatUS. (Tab. X. figg. 23, 6 ; 23 a, male organ.) 



Niger, geniculis, tibiis tarsisque rufis ; alis flavo-hyalinis, fusco-trifasciatis. c? • 

 Long. 6-7 millim. 



Hah. Mexico, Sierra de las Aguas Escondidas in Guerrero 9500 feet {II. H. Smith). 



Head almost opaque, very finely punctured ; sparsely covered with rather long 

 blackish hairs, the clypeus thickly clothed with dull whitish pubescence ; eyes straight, 

 diverging beneath ; the ocelli in a triangle, the hinder ones separated from the eyes 

 by a much greater distance than they are from each other ; clypeus with the sides 

 broadly rounded, the apex in middle almost transverse ; the occiput concave. Antennae 

 nearly as long as the body, pubescent ; the third joint longer than the fourth. Pro- 

 notum subquadrate, very slightly narrowed from the apex to the base, the apex 

 projecting bluntly in the middle. Median segment rather long, having a gradual slope 

 to the apex ; very finely and closely punctured. Abdomen as long as the thorax, 

 subsessile ; the apex bluntly rounded, pilose. Legs rather long, indistinctly spined ; the 

 long spur of the hind tibiae reaching somewhat beyond the middle of the metatarsus ; 

 the tarsi very long, the joints black at the apex ; the claws simple. Wings rather 

 long ; the radius curved from the base to the apex ; the second cubital cellule at the 

 top longer, at the bottom shorter, than the third ; the first transverse cubital nervure 

 curved, the second sharply elbowed near the bottom, the third bluntly so above the 

 middle ; the first recurrent nervure received almost in the centre of the cellule, the 

 second before the middle. 



V 8. Salius rupex. 



Pompilus rupex, Cresson, Proc. Bost. Soc. Nat. Hist. xii. p. 372 \ 

 Hab. Mexico, Orizaba (Sumichrast 1 ). 



sj 9. Salius rufospina. (Tab. X. fig. 24, wing.) 



Niger, argenteo-pruinosus, femoribus tibiisque rufis ; alis hyalinis, apice fumatis. $ . 

 Long. 11 millim. 



Hab. Mexico, Teapa in Tabasco (H. H. Smith). 



Head a little wider than the thorax ; the front and vertex opaque, alutaceous ; from 

 a little above the antennae densely covered with a silvery pile ; eyes slightly curved 

 and converging above, at the bottom straight, parallel ; the ocelli not quite forming a 

 triangle, the hinder ones separated from each other by a somewhat less distance than 

 they are from the eyes; clypeus short, bluntly rounded to the apex. Pronotum 

 subquadrate, bluntly arcuate behind, almost transverse ; the scutellum broad, not 

 narrowed behind, convex ; the median segment short, gradually rounded at the apex, 

 opaque, alutaceous. Abdomen a little longer than the head and thorax united, 

 subpetiolate, the sides silvery-pruinose ; the pygidium apparently rugose, densely 



biol. cente.-amee., Hymenopt., Vol. II., August 1893. 2 aa 



