FAM. MEMBRACID^ ^7 



FAM. MEMBRACID/E GERMAR 



SUBFAMILIES OF THE FAM. MEMBRACIDyE 



I. Sculellum absent or rudimentary and entirely concealed by the pronotum. 



A. Anterior tibia foliaceous Membracin^ Stal. 



B. Anterior tibite simple 



1. Posterior tarsi very short, much shorter than froni or middle tarsi . . PLATYCOTlNiE Subfam. nov. 



2. Posterior tarsi as long or longer than front or middle tarsi 



a, Third apical cell of corium truncaie, never petiolate Darnin^e Stal. 



aa. Third apical cell of corium petiolale 



b. Tegmina coriaceous and opaque ; apical limbus very broad . . . Tragopin/e Stal. 

 bb. Tegmina entirely or almost entirely membranous ; apical limbus 



narrow Smiliin^ Stal. 



II. Scutellum present ; usually exposed Centrotin^ Spinola. 



SuBF. MEMBRACIN/E Stal 



TRIBES OF SUBF. MEMBRACIN^ 



I. ProHotum foliaceous, elevaled, and more or less bilaterally flattened .... Membracini Goding. 

 11. Pronotum not foliaceous 



A. Pronotum with one or more anterior horns or prntuberances Notocerini Tiibus nov. 



B. Pronotum tvithout frontal horns Bolbonotini Goding. 



GENERA OF THE TRIBE MEMBRACINI GODING 



I. Pronotum highly elevated, arcuate, rounded, compressed and leaflike; no prono- 



tal processes Membracis Fabricius. 



II. Pronotum little elevated, moderately compressed and having an anterior horn or 

 frontal angle 

 .\. Frontal horn long, usually porrect; head suhquadrate 



1. Lateral carina not extended behind humeral angles Enchophyi.lum A. & S. 



2. Lateral cariiice extended behind humeral angles, usually reaching lateral 



margins of pronotum 

 a. Lateral carince of pronotal horu equidistanl froni superior and infe- 



rior margins ; both margins foliaceous Enchenopa A. & S. 



aa. Lateral carincc of pronotal horn close to upper margin; inferior mar- 



gin notfoliaceous Campylenchia Stal. 



B. Frontal horn short, erect; head triatigalar Tritropidia Stal. 



