CLAS. Vir. RYNG. ApMs . 647 



I. Pulex roscro corpore breviore . Fahr. Sp. Ins, irrltam * 



1. p. 585. Z-/V;«, Sjst. Nat. 2. p. 1021. I. 

 Habitac ubique in Euiopa , in America , sangui- 



sugiis . 

 Leporibtfs vaUe ntokstus . Tellttur Satttreja, Pfile' 



gto , Pe's;car}a , Cotula 1 Alno . 

 Adas minor sub femtna JHnghur , 



171. APHIS. Ltnrt. Geoffr.Begeer.Fahr. 

 Rostrum etongatum , inflexum : constans vagtna 



porrecta , involuta* quinquearticulata , conti- 

 nente setam unicam , filiformem , longiorem , 

 retraccilem , supra vagina: ipsius basin insertam, 



Labium breve , fornicacum , integrum , 



yintenns. porrects , secacese , fronti inserca: . 



Larva aptera agiiis currens , imagini simillima . 



Pupa hexapoda , agilis , currens , imagini siroii- 

 lima . 



Victpts omnium e succo plantarum . 



Roscrum inflexum . Abdomen bicorne . Alac erectae. 



Aphides aescate viviparas , autumno ovipar^E. Ahac 



apteraj , alis alacae absque sexus discrimine in ^ 



eadem specie , uti Aphis Lychnidis dioica , Sa* 

 licis caprett , cet. 



Species definiuntur ab earum domicilio in plantis 

 diversis , 



172. CHERMES LifJft. Ceoffr. Degeer. 

 Fahr. 



Psylla Geoffr. 

 Rostrum elongatum , inflexum i vagina pectorali . 

 Vagtna membranacea , bbtusa , triarticulata , pe- 

 ctori inter femora antica inserta. 



Setae 



