new Species of Viploptera. 107 



Odynerus (Leionotus) simplidentatus, sp. n. 



Ferrugineus ; clypeo, pronoto abdominisque segmentis margine 

 postico fiavo-fasciatis; vertice mesonotoque nigris ; unguiculis 

 vix bidentatis. 



cf . Black; clypeus, a line along the inner orbits of the 

 eyes, the sinus of the eyes, scape of antennae beneath, hind 

 margin of pronotum narrowly, a transverse line on post- 

 scutellum, apical margin of first abdominal segment dorsally, 

 and of abdominal segments 2-6 dorsally and ventrally, 

 yellow. Intermediate and posterior coxae totally, tibiae and 

 tarsi principally, yellow. 



Antennae [except segments 4-10], the mandibles, a mark 

 behind each eye, the pronotum, the tegulae, a spot on the 

 mesopleurae, a quadrate mark on the disk of the mesonotum, 

 scutellum, median segment, abdominal segments 1 and 2, 

 except for a black mark near apex, anterior legs, intermediate 

 and posterior femora and tarsi partially, ferrugineous. 



Wings hyaline, slightly suffused with fuscous. 



Thorax broadest at the tegulae, the scutellum rather 

 prominent, divided from postscutellum by a transverse 

 groove, postscutellum in the form of a ridge. 



Punctured: clypeus minutely; head, thorax, and apical 

 margiu of abdominal segments 2-6 coarsely ; median segment 

 and abdomen finely punctured. 



Whole covered with a grey pubescence, long on the vertex 

 and mesopleurae. 



Length 8^ mm. 



Hab. Salisbury, Mashonaland, March 1900 (G. A. K. 

 Marshall) ; 2 <$\ 



This species is peculiar on account of the extremely small 

 development of the tooth on the tarsal claws ; this tooth is 

 placed at the extreme tip, and is only visible on the closest 

 examination. The tooth is so shaped that the apex of the 

 claws appears to be slightly bifurcate. 



Odynerus rarotonga, sp. n. 



Niger, nitidus ; abdomine impunctato ; clypeo, pronoto, scutello 

 metauotoque maculis utrinque, segmentorum abdominis 1, 2 

 margine postico flavis ; pedibus rufis. 



? . Shining black ; a mark on each side of clypeus at the 

 base, a spot between antennae, a minute spot behind each 

 eye, a large rectangular mark on pronotum on each side, an 

 ovate spot on mesopleurae on each side, a spot on scutellum 

 on each side, and on median segment on each side, band on 



