Mr, W. L. Distant on Homoptera, 205 



Tomaspis cosiaricensis. 



Sphenorhina costay-icensis, Dist. Ent. Month. Mag, xvi. p. 61 (1879), 

 Tomaspi'i qiiatuordecim-notafa, Fowl. Biol. Centr.-Am., Ehynch. Horn, 

 ii. p. 177, t. xi. fig. 5 (1897), 



Tomaspis incompUto., 



Monecphora in.cotnpl*ta, Walk. List Horn. iii. p. 684 (18t51), 

 Sphenorhina dihita, WaUi. Ins. Saund., Horn. p. 92 (1858), 



Although Walker describes the colour of incompleta as 

 " pale brown, shining " and that of diluta as '' blackish 

 green," the colours of the two forms ax'e practically identical, 

 and " brown " must be substituted for " blackish green." 



Tomaspis compressa. 



Cercojns compressa, St. Farg. & Serv. Enc, Meth. x. p. 666. 13 (1825). 



Var. a (typical). — Pronotum sanguineous ; legs black, 

 posterior femora and bases of posterior tibiae sanguineous. 

 Cayenne (Brit. Mus.). Original habitat of describers. 



Var. b. — All the femora sanguineous or ochraceous, tibiae 

 and tarsi black ; apical margin of tegmina black, but with 

 the apical area sometimes suffused with black. Amazons 

 (Brit. Mus.); Ega (Coll. Dist.). 



Var. c (Stoll, Cic. fig. 112). — Pronotum and legs black. 

 Surinam, fide Stoll. This figure is said to represent a 

 form of the species [St. Farg. ^ Serv.). 



Neosphenorhina, gen. nov. 



Vertex about as long as breadth between eyes, angularly 

 narrowed anteriorly, centrally longitudinally carinate, and 

 longitudinally ridged near the anterior margin of each eye ; 

 face very strongly compressed, almost straightly deflected 

 downward to a point opposite base of clypeus, to which it is 

 then truncately directed ; rostrum slightly passing the 

 intermediate coxffi ; pronotum a little longer than broad, 

 the anterior lateral margins oblique, not convexly rounded 

 but a little concavely sinuate, longer than the posterior 

 lateral margins, centrally finely longitudinally carinate, 

 anterior margin truncate and not extending beyond eyes, 

 posterior margin angularly concavely sinuate ; scutellum a 

 little longer than broad at base ; abdomen above with the 

 connexivum strongly broadly upwardly ridged ; legs long 

 and slender, posterior tibiae with two spines, posterior tarsi 

 long, first and third joints subequal in length ; tegmina 

 long and narrow, slightly more than three times as long as 

 broad. 



