58 



ante apicem excavata, membrana- duplici villofo rpohgiofa auru- 

 lenta terjiiinali, quarura aJtera fiipcnor fuborbiculaca maior, altera 

 inferior minor ,roti]ndata. Mandibulae fufcae nitidilTimae bafi lata 

 corneae: bafi antice in cornicukim obtufum excurrente, poftice in 

 aliiim coniiculum curyatum defmente: apice fubfalcatae .raembra- 

 naceo - diaphanae, margine antico apice niulcififfo bafi ciliato, irar- 

 gine poftico acute integre. Vtrinque duplex apbneurofis pedicel- 

 lata, .apice palaeformis adhaeret, cuius ope mufculorum inftür 

 palato affigitur. F.abrum menibranam fufcam quadrangularcm villo- 

 fam, bafi apiceque pallidam fifiiit, cofta carnea medio divifam, 

 antice ciliatam, pofbice corneam, in aponeurofcn utrinque fubli- 

 nearem excurrentem, qua velo palatino adhaeret. Mentum fuf- 

 cura corneum fubtetragonum arcte fetofijm, extus gibbum obtufe 

 carinatum, punctisque plurimis excavatis impreiTum. Labium men- 

 to altius membranaceum, apice bifurcatum, cruribus pallidis dia- 

 phano - membranaccis ultra mentum porrectis, extus fubfalcatis, in- 

 terno margine ciliato - fiffis, mcdio tuberculo corneo fulcratis; bafi 

 lata diaphano membranacea. Antennac fufco ferrugine^e, glabrae: 

 articulo prirao longiffioio fublineari angulaco apice incraffato, fe- 

 cundo acetabuliformi, tertio longiori apice dilatato, quarto brevio- 

 ri, quinto fexto acetabuliformibus, iis apice bre/iter fetofis, reli- 

 quis concavis ovatis obliquis lamellatis fuperinipofitis, clavam vil- 

 lofam flavefcentem conftituentibus. Clypeus ater fubopacus, punc- 

 tls plurimis tum difcretis tum confiuentibus exafperatus, fetisque 

 hinc vel illinc rufis obfitus ; antice deprefijufculus femilunatus tri- 

 lobatus: lobis continuis : lateralibus fubtriangulis; margine iaterali 

 rotundata, arguto, fubreflexo, apice acuto : intermedio latifilrao 

 exfertiori quadridentato , pone dentium ortura fubexcavato, hinc 



. pluri- 



