Insecta. Hemipter A. Aphis. 
«ob. 21 Aph. betulisslb». „„2 , p. , 
p. 386. p. 20, 
«t:- --gi»!- 
Dege^r tnj. 3, p. 4-. ^ 
corniculata viridis , doif,.’ , "'S™ pnnaata 
uilx‘. ““ tuberculis nigris , be- 
Reaum, inf. 3. 2 
Hahtat tn betulaj alhj 
alni. 54. Aph. betnl® alni F r, r 
flavefcenti-alba ruberculata’ ^alA 
*^l>ous. 22. Aph. nigra , corniculis obfoleti, 
abdominis. Fn.Jucc. 993. '^edii 
inf. 2.p. 317. „ 
^/‘n 5 .'irrr/„Qi,ercurobL. ^ 
fagi. 
quer- 
cus. 
'nf. par. i. p. ^nn „ 2 
-fi/«W/«fagop,iyatica. 
“^nemarum pedumque arf uV l . 
ahdonme mutico. ^ ferrugineis , 
