1918.] 239 



h^. Median sectors confined to the apical third of tegmen. 



x^. Length of head twice the length of the pro- and mesonota together. 



VlVAHA. 



x"^. Length of head less than twice the length of pro- and mesonota 

 together, 

 y'^. Subcostal cell short. 



2 



Antennae large, flat Lkptaleocera. 



s^ Antennae cylindrical •.' Robigus. 



7/^. Subcostal cell long ; antennae cylindrical, in some species simple, 

 in others with a kuDb at base or horseshoe-shape. 

 «\ In protile vertex and face forming an angle, or narrowly- 

 rounded, produced in front of the eye more than the 



width of an eye Inikeamma. 



d\ In protile vertex and face forming a curve, not produced in 



front of eye so much as the width of an eye. 



b^. Head as broad or nearly as brnad as the thorax, vertex 



quadrate, apex truncate, base broader than apex, keels 



of vertex and face very large, not contiguous on face 



or only so along the edges Megatropis. 



li^. Head narrower than thorax, vertex triangular, face 

 narrow, keels of vertex and face large, contiguous 



on face Nicerta. 



a-. 3Iedia not separating from radius until after the forking of subcosta and 

 radius. 

 6'\ Subantennal process absent or very small. 



d}. Antenna with tirst joint much longer than wide. 



Phra. 



dr. Length of the first joint of antennae subequal to width. 



e\ Antennae longer than face , , Platocera. 



e''. Antennae not longer than face Hekoxax. 



c^. Subantennal process present Mysidioides. 



PiEEHONEURA Kirk. 



Kirkaldy^ treats PyrrJionem^a as synonyuious with Makula Dist., 

 but the latter has a short subcostal cell and the head somewhat 

 differently^ shaped. The ty^pe of PyrrJioneura has a very small shoulder 

 keel. Otiocerus ruhescens Fowl. (B. C.-A., Rlwnch. Homopt. i, p. 76, 

 t. 9, fig. 2) I consider comes into this genus. 



P. mlanjensis, sp. n. 



J . Face narrower than in the genotype, the carinae touching or closely 

 approximate until near apex. Head, legs, and ventral aspect of thorax yellow, 

 abdomen and dorsum of thorax reddish brown, slightly lighter over the median 

 portions ot pro- and mesonota, genital styles and thoracic pleura lighter and 

 redder. Tegmina fuscous, a white mark in apical half of costal cell, a smaller 

 one in subcostal apical cells, another at the apex of second and third median 

 sectors, a larger one from hind margin at the end of the clavus to the forking 



