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676. 



LEDRA AURITA. 



Order Homoptera. Fam. Cercopidse. 



Type of the Genus, Cicada aurita Linn. 



Ledra Fab., Lat., Leach, Curt. — Membracis OUv., Lam. — Cicada 

 Linn., Geof. 



Antenna: inserted in small cavities before the eyes, but under 

 the projecting forehead (1); short small and 5-jointed, 2 basal 

 joints stout, somewhat ovate, 3rd and 4th small, of similar shape, 

 5th a long seta (4). 



Rostrum very short and rather stout, passing horizontally be- 

 tween the anterior coxae and then becoming perpendicular (2), 

 Labrum rather large, elongate-ovate, the apex acuminated (3). 

 Mandibles and MaxillcB short and setiform. 

 LMbium short and stout, biarticulate, basal joint oblong, 2nd 

 shorter more ovate and hairy (2*). 

 Head not broader than the thorax, the crown sublunate, the margin 

 thin, sharp and projecting over the face, which is horizontal, quite flat 

 or concave, broad and lozenge-shaped (1).- eyes lateral, prominent, 

 sublunate and close to the thorax : ocelli 2, placed on the disc of the 

 crown, rather remote. Thorax large, subquadrate, convex, the sides 

 producing 2 large, nearly erect rounded lobes : scutel large, trigo- 

 nate, the base convex. Wings deflexed in repose, superior large, 

 somewhat elliptical, coriaceous and reticulated : inferior ample and 

 membranous, with several longitudinal nervures. Abdomen short 

 stout and somewhat conical : ovipositor long and stout. Legs short, 

 hinder formed for leaping: thighs short : tibise short, angulatedand 

 pubescent ; hinder long, with the outer margin dilated and serrated 

 towards the apex: tarsi short and triarticulate, basal joint the 

 shortest in the anterior, 2nd the shortest in the posterior: claws di- 

 lated at the base, the apex horny and acute (6, afore, 6 f « hind 

 leg). 



Aurita Linn. — Curt. Guide, Gen. 1063. 1. 



Dull olive-green ; head covered with small reddish tubercles, 

 having 3 elevated longitudinal lines : thorax with an erect se- 

 mioval lobe on each side, the margin crenated and ferruginous ; 

 apex of scutel and back of abdomen more or less ferruginous : 

 elytra green with numerous punctures forming a crowded reti- 

 culation at the base, the apex subhyaline, nervures more or less 

 brown ; inferior wings pale fuscovis, the nervures brown, and 

 sometimes a portion of the wings next the abdomen ; tibiae, 

 especially the hinder, dotted with black. 



In the Author's and other Cabinets. 



