KXOTHK(;i><AE, SPATHIINAE, HOEMTOINAE, CHELOMAF, ETC. 53 



in Mac7'ocentrus it is hardly longer than the 2"*^ ; its ptero- 

 stigma is oval, not long and lanceolate as in the present 

 genus, its radial cellule, too, being longer, narrower, lanceo- 

 late ; in the present genus it is much wider compared with 

 the length, it becoming gradually widened to the 2"'^^ trans- 

 verse cubital nervures. Leptozele is a more slenderly built 

 insect than either Zele or Macrocentru.^. 



I Leptozele trimaculatus, sp. nov. 



Luteous, the pleurae paler, the antennae more rufous in 

 tint, the greater part of the face, the mark roundly narrowed 

 below, the vertex, upper part of occiput, a large mark on 

 each of the lobes of the mesonotum, that on the middle lobe 

 ovate, on the lateral longer, narrower and of equal width ; 

 and more or less of the apical segments of the abdomen, 

 black ; wings hyaline, the stigma pale luteous, the costa and 

 nervures fuscous. 5. 



Length 12 m.m. ; terebra 12 m.m. 



Ceylon. (Nietner). 



Central part of face distinctly, closely punctured, the sides 

 and clypeus very sparsely punctured. Clypeus clearly separated, 

 roundly convex. Vertex raised at the eyes, almost furrowed. 

 Temples obsolete ; the occiput transverse. Mesonotum distinctly 

 trilobate, the basal lobe more distinctly raised than the others; 

 at its apex is a strongly transversely striated band, the lobes 

 themselves being smooth. Metanotum finely closely punctured ; 

 from the spiracles run 2 keels to the apex, having between 

 than transverse keels which form areae. Propleural furrow with 

 oblique, weak keels ; the mesopleurae closely punctured, the \ 

 metapleurae more closely and strongly punctured. First abdo- 

 minal segment closely, finely transversely, the 2"'^ closely, 

 finely longitudinally striated. 



