CLASS V. INSECTA. '233 



Genus 308. ALEYRODES. Latr., Lam., Leach. Tinea. Linn. 



Phal^na. Geoff. 

 Antenna filiform, short, six-jointed : elytra and wings equal in size : 



body mealy : eyes two, each divided into two. 

 Sp. 1. Al. Cli-lidunii. Body yellowish, or rosy powdered with white: 



eyes black ^ each elytron with a puncture and spot of black. 

 Inhabits hedges and woods. 



Fam. V. CocciDjE. Leach. 

 Galinsecta. Latreille. 



Tarsi with one joint and one nail : rostruvi in the female : wings in tlie 

 male, but no elytra : female apterous. 



Genus 309. COCCUS. Linn., Geoff., Fabr., Oliv., Latr., Lam., 



Leach. 

 Antenna of the female eleven-jointed : abdomen of the males with two 



very long setas at the apex. 

 Sp. 1. Coc. Cacti. 



Coccus Cacti. Linn., De Geer, Fabr., Latr., Leach. 

 Inhabits fruit-trees. 



This genus requires a minute investigation, which should be con- 

 ducted by some one possessing a great share of patience, and hav- 

 ing a competent knowledge of entomology. 



Order IX. APTEIIA. Leach. 



Order After a. Linn., Lamarck. ^ 



Order Suctoria, Latr. 



Characters of the Order. 



Body somewhat ovate, compressed, covered with a coriaceous skin, 

 and composed of several segments : trunk short, consisting of three 

 leg-bearing joints : head small, compressed, rounded above, and 

 truncate before : eyes minute, orbicular, lateral : antenna lamelli- 

 form, small, ciliated with spinules, one-jointed at their base, insert- 

 ed in two excavations behind the eyes : palpi fihform (composed cif 

 four rounded joints) scarcely longer than the head, porrect, generally 

 retiting on the rostrum: legs strong, and formed for jumpaig, espe- 

 cially the hinder ones : coxa and thighs large, compressed: tnrsi 

 elongate, cylindric, composed of five simple joint-^, the last articula- 

 tion furnished with two long, acute, slender nails. 



I.ARVi without feet, 



Pupa foUiculate, 



