Manchester Memoirs, Vol. xlvii. {igo^,), No. 14. 5 



above, the striations being continued as a narrower band 

 round the yellow mark; the metapleurae stoutly punctured, 

 the punctures round and deep ; above and near the apex 

 they run into striations ; the mesosternum is smooth 

 and shining ; its furrow wide and crenulated. The wings 

 have a slight fuscous tinge ; the transverse median nervure 

 is received distinctly behind the transverse basal ; the four 

 anterior tarsi are infuscated ; the hinder coxa^ are black, 

 yellow at the apex, and, at the base above, there is a 

 yellow trilobate mark ; the outer lobe being the longer ; 

 the hinder trochanters, the apices of the femora and of the 

 tibiae, the base of the tarsi narrowly and the apical half 

 of the end joint, black. The abdomen smooth and 

 shining, black ; the petiole, except for a black band before 

 the apex, and the apices of the other segments, lemon- 

 yellow. 



This is a larger species than S. fulvipes, from which it 

 may be further known by the median segment having 

 two yellow marks, not one, and by the hinder troch- 

 anters, the apices of the femora and tibia; being broadly 

 black. 



Ceratocryptus, gen. nov. 



Allied to MesostenKS, but may be known from it by 

 the front having two short conical spines, as in the 

 Neotropical genus Polyanus. From my genus Stivalta^ 

 it may be known by the much longer and more slender 

 petiole which is, further, not so widely and distinctly 

 dilated at the apex ; also by the mesonotum being 

 distinctly trilobate. 



Antennae annulated with white, stouter than in 

 Mesostenus, and slightly thickened and compressed 

 beyond the middle. Clypeus separated from the face. 

 Front with two short, distinct, conical teeth placed side 



