138 I'RtKHEinxcs or THE y.tTrnyjr y/rsErv. vol xx 



If-. Fiirriila (»f iiuil<^ a)>8«nt; u|)irnl margin of Hiihgeiiital ]>liit<> not ole* 



vatcd alM>v«> the latt'i'al iiiarKiiiH 119. r»W/i«M« ( p. lill!). 



«*. 8i/.e iiH-dinm (»r lar^o; rorri of iiialti rarely bifurcate or witli an inferior 



proresH ( ami then tlir insect is of larjje Hi/e. whi<h i t never in in tin- aiter- 



nat«> «-ate)irory, and tlM> snpraana] plat«- is «liHtiiietly sliielti-Hliapetl, the a|iical 



half tapering with nimh ;{rfater rapidity than tlie haHal: or the fiiri nia in 



ahseut; or the interval between the niesoNternal lol»«>s of the male is three 



times as lon;j as hroad, which it never is in the alternate ratej^oryt: sMpra- 



anal ]»hit«' of \arial»le shape; fiircnia either al>sent or very minutely 



«leveh»ped : prosternal spine nsnally loii^. 



/'. Interval between mcsosternal lobes of nia1«> nearly, fully, or iniieh 



more than twice as lonj; as broad; of female generally longer than broad, 



rarely ijuadrate; proxternal spine generally lon^; tcjrinina usually clear. 



«»r with a marked distinction in color between the dorsal and lateral areas, 



or with the an;;h' between the two marked by a conspicuons liiiht-colored 



stripe; head less prominent and with less prominent eyes in the male than 



in th«^ alternate category, the front margin of the pronotuni in no way 



flaring to receive the head. 



7'. Fnrcnla of male entirely absent, or present only as a minute point 



or bead ; hind tibiae usually yellow, but sometimes reU (L'O. Kobusttis 



series). 



/('. Tegmina fully equal to or surpassing the hind femora; hind tibiae 

 yellow. 



i'. Cerci of male boot-shaped, the apical foot as long as the basal leg, 

 the apical inarijin deejdy eniarginate below; markings of the outer 

 face of hind fenu)ra so run together as to be more longitudinal than 



transverse 120. differentia! is ( p. 3lJt>. 



»-'. Cerci of male apically expanded only a little more above than 

 below, the apical margin regularly or almost regtilarly convex; 

 markings of outer face of hind femora transverse. 



121. rohuniuH (-p.^oi). 

 h-. Tegmina somewhat abbreviated, not reachin<:. the extremity of 

 the hind femora; hind tibiae red or reddish yellow. 



V. Apical mar«j;in of male cerci convex or angulato convex. 

 jK Tegmina distinctly and cojisiderably spotted with fu«cous on 

 the lateral face; cerci of male nearly equal on ])roxinial half, the 



.apical margin convex 122. vioitt ( p. 3,5.')). 



/-. Tegmina alnu>st uniformly fuscous on lateial fa<e; cerci of male 

 distinctly tapering on proximal half, the apical margin broadly 



angulate 12.S. chfpeatus (p, ^IT). 



/-. Male cerci apically forked, the apical border being deeply 



emarginate 124. /ureal ks (p. 3.')Si. 



//-'. FtU'cula of male distinctly present, though always very small, annu- 

 late, the angle rarely produced; hind tibiae never yellow, usually red, 

 rarely ]inrplish and yellow at tij) (27. IJivittatus series'!. 



/r. Interval lu-tweeii mesosternal lohes of male distinctly more than 

 twice as long as broad: pronotnm with conspicuous light-colored 

 lateral stripes on the disk, their outer margin at the position of lateral 

 carinae. 



i'. ("erci of male very much more expanded apically above than 

 below, the ajdcal border slightly emarginate below. 



_/'. Hind tibiae clear red throughout V2'y. femoratus (i^. 3(^0). 



j-. Hind tibiae purplish basally, yellow, rarely reddish, apically. 



126. biriltatii8 (p. 363). 

 i-. Cerci of male apically ex}>an(led but little more above than below; 



the apical border convex, Avith no emargiuation below 



127. thomubi (p. 368). 



