256 Inseckt. Pterodicera 



filifornies vel setacei , incnrvi ; illis biarllcnlatt ant nniarlicn- 

 lali , brevcs , plcrnniqiie Cliformes ant extrorsLuii crassiores , 

 tiim exserli, liim occnltati , sa^pins erccti ; arlicnlo primo 

 sen radicali brevi aut brevissinio ct "s ix clisccrnenclo , nnam e 

 setis baust(Mli , cum plures extanl , commnniter fcrente. 



Coi-pus forma varium. Capiif plerumqne compresso - liemi- 

 spba?ricnm , vcl sublrigonnm, iii plnrimis snbobil)osuni ; ocnlis, 

 in //j((AcuZ/.s' pr;rserlim , s.-cpius bale exlensis ; ocellis sa'pe pra3- 

 sentiljus, nnmero tril)ns , vable appioximalis , snbcontiguis , 

 minimis, verlici , iii triangulum , dispositis ; facie iu musciilibus 

 anlenua pateliala in.slruclis sa-pins quasi niagis luemljranacea , 

 ciuaiuloque vesiculosa , crebro bisub-ala ant Ijifuveala. Trunrus 

 communilcr subinarliculalns ( segmento aniico in perpaucis 

 tanlnm clistinclo), cylindricus ant subovatus , gerens pedes 

 sex , alas duas nci\(>sas, varie relicnlaias , plerumqne bori- 

 zonlalcs, luodo divaricalas, modo incumbenles, ad coslam 

 sjrpe piloso-cilialas el quasi snbdenlicnlalas , sliguiate distincto 

 rarius iusignilas, lialteres dno lolidemcjue scjnaniulas meni- 

 brauaceo - jiapyraceas, subconcbifcu mes , marginatas , ciliatas , 

 exlus r( fli xo-duplicaLas el boruui bnllernm basi superpositas ; 

 trunci parlc posiica et dorsali in modum scutelli , trigoni , 

 j)roducti, inscnlpia. ^hdoirien e segmenlis numero variis , 

 5 — 9 , consians, foi-iua , inaguitudine diversuni , frequenlius 

 trigonuni vel subcyliiulricum , dcpressum , in iiiasculis non- 

 nnllis apice incrassalum , genilalibus appendicibusque corneis , 

 illa comilanlibns el exserlis , terminatum , cjuandoque in- 

 curvum, iu feminis vero acuminaluiu. Pcdes saqie clougaii; 

 larsi cjuincinarliculati , unguibus duobus j)ul\ illis(jue tolideni 

 vel tribus. 



M'famorpI,osis liis incompleta , illis coarctata. Lari-a ^ermi- 

 forniis , annubita , mollis, conlralienda, apoda , in paucis pedi- 

 bns spuriis ant tenlacnlis pediforinibns instructa, spitaculis jier- 

 paucis, 1 — t ; ex illis dnobus ad coiporis jiostica, supcranalil)us, 

 occultanclisant protectis ; capire dentibus duobus, iniciformibus, 

 incurvis , exsercudis , instruclo j modo corueo et foraia per- 



