CLASS V. INSECTA. 233 



Genus 303. ALEYliODES. Lutr., Lam., Leach. Tixea. Linn. 

 PnAL.iiNA. Geoff. 

 Antenn(e ^W^orm, short, six-jointed: elytra and wings equal in size: 



body mealy : eyes two, each (Hvided into two. 

 8p. 1. Al. Chelklunii. Bodj' ycllowii,!], or rosy powdered with white: 



eyes black; each elytron witli a puncture and spot of black. 

 Inhabits liedgcs and woods. 



Fam. V. CocciDiE. Leach. 



Oalinsecta. Latrcille. 



Tarsi with one joint and one nail : rostrum in the female : wings in the 

 male, but no elytra : female apterous. 



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

 Leach. 

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



,very long seta? at the apex. 

 Sp. 1. Coc. Cacti. 



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

 Iidiabits fruit-trees. 



This genus requires a minute investigation, wb.ich should be con- 

 ducted i)y sonic one ])ossessing a great share of patience, and hav- 

 ing a competent knowledge of entomology. 



Order IX. APTERA. Leach. 



Order Aptera. Linn,, Lamarck, 

 Order Suctoria. LMtr. 



Char act en of the Order. 



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

 and composed of several segments : ti-unk short, consisting of three 

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

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

 form, small, ciliated with spinules, one-jointed at iheir Irase, insert- 

 ed in two excavations behind the eyes : palpi filiform (composed of 

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

 resting on the rostrum: legs strong, and formed for jumping, es])r- 

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

 elongate, cylindric, composed of five simple joints, the last articula- 

 tion furnished with two long, acute, slender nails. 



Larva without feet. 



fcPA folliculate. 



