i DE PARTIBUS INSECTORUM 



A Os omnibus Insectis commune , plerlsque 

 sub capite positum , quibusdam in pectore , cc 

 \n nonnullis adhuc ignotum j inque eo considc- 

 randa : 



Clyfem , sive labium superius , os superne 

 tcgens » esc horizoncalis capitis pars cornea por- 

 recta . 



Lo.htHin os inferne claudens , horizontale : 

 cst capitis pars inferior porrecta . 



Ma.ndihHl& du^ , transversales , corneae , la- 

 tera oris superne includentes , a capitis subsian' 

 tia cornea propagat^e , sub clypeo immediace 

 posits . 



MaxilU pariter duac , transversales , saepius 

 membranaceas ^ latera oris inferne includences ,• 

 teccs frequenter membrana cylindrica obtusa , quae 

 Gales. nominc a Cl. Fabricio distinguitur . 



Pdp duo , quatuor , sex , articulati , senso- 

 rii , mobiles . 



LinguA splralis inter palpos reflexos recon- 

 dlta , convoluta , bifida , 



Rostrum infl.xum , corneum , vaglna arti- 

 culata univalvl cfformatum , setas plerumque tres 

 continens . 



HaustellHm porrectum , corneum , setls con- 

 stans vel nudis , vel vaglna bivalvi non arcicu- 

 lata inclusis . 



Prohoscis stlpes carnosus , cyllndrlcus , re- 

 ctus , capituloque membranaceo bilabiato , retra- 

 ctili munitus . 



Prxdictx partes non omnes In omnlbus In- 

 sectis conspicluntur ; hinc optlmos characteres 

 ofFerunt , quibus niticur CL Fabricii Entomologi- 



cum 



