CEABEO. 145 



joint. Median segment at the base with a gradual slope, and with a rather deep furrow 

 in the centre ; the apex oblique. The mesonotum bears a strong, close, and regular 

 punctuation; the scutellum has the punctures, if anything, larger, but more widely 

 apart ; at the base in the centre the median segment is punctured like the mesonotum, 

 the sides being irregularly striolated ; the oblique apical part is transversely striolated 

 and punctured ; mesopleurae coarsely striolated and punctured ; metapleurse not so 

 coarsely obliquely striolated; meso-metapleural division irregularly striolate. Basal 

 abdominal segment not so strongly punctured as the mesonotum ; the following seg- 

 ments more strongly and closely punctured. Pygidial area shining ; the apex and sides 

 bearing some large punctures. Tibiae sparsely spinulose ; the long spur of the hind 

 pair about one third of the length of the metatarsus, and not much longer than the 

 second tarsal joint. Legs regular. Transverse cubital nervure received slightly beyond 

 the middle of the radial cellule. The scape of the antennas and the mandibles (except 

 at the base and apex) clear citron-yellow ; the collar, a line at the base and apex of 

 the scutellum, the tegulse, tubercles, a spot behind them, a line on the base of the 

 second abdominal segment (not reaching to the middle), and the other segments 

 entirely (except the apex of the third), yellow ; legs clear ferruginous, the tibiae and 

 tarsi tinged with yellow. Clypeus covered with a long shining-golden pubescence ; 

 the cheeks densely clothed with a fulvous-golden, the vertex sparsely with fuscous, 

 pubescence. Thorax covered with a fusco-fulvous pile, longer on the metapleurse and 

 of a paler tint. Abdomen at the base with a fuscous pubescence ; the apical segments 

 (especially at the apices) densely covered with a stiff golden pubescence. Femora and 

 coxae with a sparse longish white pubescence ; the tibiae and tarsi with a short pile. 



x 5. Crabro montivagUS. (Tab. IX. figg. 5, $ ; 5 a, <$ organ ; 5 b, 6 antenna.) 

 Niger, punctatus, tibiis anticis abdominisque segmentis 3°-6 m flavis ; alls fulvo-fumatis, stigmate ochraceo. 



$ et tf. 

 Long. 13-14 millim. 



Hab. Mexico, Omilteme 8000 feet, Xucumanatlan 7000 feet, Amula 6000 feet, all 

 in Guerrero {H. H. Smith). 



Head densely covered with fulvous, along the inner orbits and clypeus with golden, 

 pubescence, closely punctured ; the eyes at the apex separated by fully the length of 

 the second and third antennal joints united. Clypeus sharply convex in the middle. 

 Ocelli in a curve, separated from each other by a much less distance than they are 

 from the eyes ; hinder ocelli situated almost beyond the eyes. The hinder edge of the 

 eyes situated before the middle of the head, the head itself thus being well developed 

 behind them, becoming gradually (but not much) narrowed posteriorly. Antennae 

 stout, covered with a pale down. Thorax rather densely covered with a whitish 

 pubescence ; closely and somewhat coarsely punctured ; the scutellum more shining 

 and with the punctures more widely separated. Pronotum almost transverse above, the 



biol. cente.-amee., Hymenopt., Vol. II., April 1891. uu 



