I'AM. M.WTID.l'; II 



I. L. Ii'hipes f lÙMliciiliiichcr), Pioc. Zool. Soc. Lond. ]>. .mjO, pi. i5. f. Srt-A Si. X'incent. (irenacia. 

 (1892) ( Paiaslai^inatuf^tera ) . 



hhif-fs. l^riinner noii W'attenwyl, ibidem, p. 6f)5, pi. 52, f. 4 ii.^Q.-ii \Piird- 



7. Genus LEPTOCOCE • , nov. gen. 



Characters. — iH-niale si'.x alone known. I""oim rather .slender. Head br<jader than decp; ocelli 

 small, placed in a stroni^h' arcuate line: facial shifld slron;.;!} transverse: e_yes jjrominent; face sub- 

 concave ; antennic setaceous. Pi onotum elongate, nearly twice as long as the anterior coxie and subequal 

 to the tegmina in length, shaft subequal in width, ampliation hardly marked, collar slight broader 

 than the shaft, margins of the cephalic half denticulate, the denticulations becoming obsolete poster- 

 iorly, median carina distinct, 'i'egmina moderately coriaceous opaque, sul)rectangulate-ellii)tical, apex 

 1)1 ( ladh' rounded, margins subparallel, costal field narrow, its greatest width not more than a fourth 

 the entire tegminal width, verv slightly wider proximall}' than toward the apex; stigma distinct, rolun- 

 date. Wings nearly as broad as long, the humeral field hardly projecting beyond the axillary one, apex 

 rounded rectangulate, the humeral field and basal jiortion of the axillary field opaque yellow, the 

 remainder of the axillary held flavo-tessellate : discoidal vein uniramose. Anterior limbs rather robust; 

 coxiE armed on the anterior margin with a series of alternating large and small teeth, the larger of which 

 are subfalcate, posterior surface with numerous adpressed spiniform asperities; femora with four 

 discoidal spines and armed on the external margin with four spines, the internal margin with alter- 

 nating large and siiiall spines; metatarsi of cejihalic limbs elongate. Median hnd)s much shorter than the 

 ))ostenor j>air. 



Geographical distribution of species. — A single species is known from the Neotropical 

 region. 



I. L. thoracica, nov. sp. (2). Venezuela. 



8. Genus STAGMATOPTERA, Burmeister 



Stagmatoptera. iiurmeisler, Ilandb. Ent. I^d. j, Abth. 2, Vi. i,)). 53; (i.s38). 



Characters. — Head trigonal, as l)road as high or somewhat broader than high: vertex 

 truncato-transverse, subcompressed ; eyes prominent, rounded or rotundato-angulate ; facial shield 

 broader than high, dorsal margin obtuse-angulate with the immediate angle rounded; antennse setaceous 

 in both sexes. Pronotuni moderately or considerably elongate; dilation distinctly present but of variable 

 jirominence and well rounded or subobtuse- angulate : collar with ampliation ovoid; shaft trigonal in 

 section, margms regularly constricted in the median portion or subequal; median canna distinct or 

 hardly present: lateral margins hnely or strongly and coarsely spined in the female, unarmed or with 

 fine teeth in the male. Tegmina of male narrow, elongate, longer than the abdomen, ovular or with 



ID Deriviil inmi AîTTTO^ in:rr,'^o .\ni\ 'jj / ^f^i'dge . 

 (2) Leptococe thoracica, nov. gen. and sp. 



Type : O : fuUita. Vuiie-cuela. 2i'i>o meters elevation. {AcaJ. .Wit. Sc. P/iil<itf.) 



Head with j;reatest " idtli nearly twice that ot pronotum; eyes slightly direete<l anteriorly, vertex distinctly concave. .Median and posterior 

 femora much stronger carinate tlian tlie tibiie. General color of head, pronotnni. .jlidonien and limbs dull bufi'. washed with sulphur yellow around the 

 mouth and very slightly so on the anterior limbs ; eyes mar» brown: median and posterior limbs clouded with russet. Tegmina very pale apple green, 

 stigma seal brown surrounded by a nariow isabelline annulus. Wings canary yellow, toward the periphery of the posterior tlcld broken into tessellations 

 with hyaline interstices Spi es of the anterior femora and tibi;e tipped with black . Length of pronotum 10 5 mm. ; greatest w idth of pronotum 4; length 

 of teamen 20.,^; greatest width of tegmen - : length of anterior femur i.î. 



The type is the only specimen seen . 



