46 INSECUTOR INSCITI^ MENSTRUUS 



The tympanum of the tegmma of this species are very small 

 and that of the left one is wholly coriaceous and very incon- 

 spicuous. 



Semileptotettix flagellata, new species. (PI. II, fig. 17.) 

 Runs out to vittatus in Brunner's keys but is quite different 

 from that species in several respects, especially size and the 

 genital structure of the male. 



Description ( $ ). — Head smooth, about as broad as the an- 

 terior portion of the prothorax; eyes circular and decidedly 

 ;)rominent; fastigium of the vertex very small, twice as long 

 as broad, flat dorsally, barely attaining the tips of the antennal 

 scrobae and with a pair of prominent basal tubercles, the lateral 

 aspect of which bear light yellowish ocellar spots ; facial scu- 

 tellum narrowed above and separated from the fastigium of 

 the vertex by a broad rounded notch, an oblong yellowish ocel- 

 late spot near the vertex ; antennal scrobae well developed, con- 

 tinued beneath the antennae as transverse ridges ; basal segment 

 of the antennae armed with a prominent apical spine on the 

 inner dorsolateral margin. Pronotum covered with small 

 rounded tubercles ; disk rounded into the lateral lobes without 

 indication of lateral carinae other than mere rounded shoulders 

 on the metanotum, both margins rounded and with a small 

 median light yellowish tubercle, the anterior margin with a few 

 others lower down on the sides ; transverse furrows distinct ; 

 lateral lobes about twice as long as high, the lower margin 

 straight and horizontal ; humeral sinus scarcely indicated ; pro- 

 sternum with a pair of triangular lobes ; mesosternal lobes short, 

 triangular, those of the metasternum rounded, not at all pro- 

 longed, scarcely developed ; metasternum very noticeably nar- 

 rowed posteriorly and the pits merged into one hole the sides 

 of which are separated from the lateral margins of the sternum 

 by a distance decidedly less than width of the hole. Legs long 

 and slender ; fore and middle tibiae sulcate and unarmed above, 

 below armed with several spines on both margins, foramina of 

 anterior tibiae shell-shaped, moderately expanded ; posterior 

 tibiae armed above and lieneath on both margins, an apical 

 spine aljove on both margins ; femora long and 



