i82 HOMOPTERA 



pointed; no apical limbus. Legs simple, femora cylindrical, tibias triquerate; all tarsi about equal 

 in length. 



Type serraticornis Funkhouser. 



Geographical distribution ; Of the two known species of this genus, one is from Central 

 America and the other is from the United States. 



1. schafferi God\ng, Amer. Mus. Novit. 3 (igSo). Arizona. 



2. serraticornis F^unkhouser, Journ. N. Y. Ent. Soc. XXXVIII : 4. 408 Costa Rica. 



(1930).— Pl. lO.fig. 144. 



GENERA OF THE TRIBE HEBESINI GODING 



I. Pronotum bearing three long sharp sl>ines Goniolomus Stil. 



II. Pronotum not trispinose 



A. Posterior process high above scutellum 



1. Exterior discoidal cell of corium stylate, base angulate BoScerus StM. 



2 . Exterior discoidal cell of corium sessile, base truncate 

 a. Posterior process very short, not as long as abdomen 



b. Suprahumerals present Spathocentrus Fowler. 



bb. Suprahumerals absent Ischnocentrus Fowler. 



aa. Posterior process as long or Innger than the abdomen 



b. Posterior process bearing an inferior median lobe .... Campylocentrus Stal. 

 bb. Posterior process with no median lobe below 



c. Pronoium tmicarinate Ophicentrus Fowler. 



cc. Pronotum tricarinate Psilocentrus Fowler. 



B. Posterior process very close to scutellum 



1 . Pronotum bearing suprahumeral horns 



a. Pronotum with high dorsal elevation Centronodus Funkhouser. 



aa. Pronotum without a high dorsal elevation 



b. Suprahiimerals and posterior process simple 



c. Posterior process very short, not as long as abdomen . . Platycentrus Stal. 

 cc. Posterior process as long or longer than abdomen 



d. Scutellum visible at sides Orthobelus St&l. 



dd. Scutellum entirely hidden Callicentrus Stal. 



bb. Suprahumerals laminate ; posterior process ttncinate . . . . Daimon Buckton. 



2 . Pronotum without suprahimeral horns 

 a. Sides of scutellum visible 



b. Corium with two discoidal cells 



c. Hind wings withfour apical cells 



d. Tegmina pubescent Amblycentrus Fowler. 



dd. Tegmina not pubescent Centriculus Fowler. 



cc. Hind wings with three apical cells Brachybelus Stal. 



