﻿392. 



CICADA ANGLICA. 



Order Homoptera. Fam. Cicadiidae. 



Type of the Genus, Cicada plebeia Linn, 



Cicada Linn., Geoff"., Lat., Sam., Curt. — Tettigonia Fah-, Panz. 



AntenncB inserted beneath the head, in a cavity between the 

 nasus and the eyes, short, setaceous, composed of 7 joints 3 1st 

 and 2nd of equal length cylindric, the former the most robust 

 and nearly concealed in a cavity of the head, 3rd the longest, the 

 remainder of equal length, not longer than the 2nd ; the apical 

 joint being the shortest, sublanceolate and terminated by a mi- 

 nute bristle (4 and 4 a). 



Labrum rather short and tongue-shaped, thickened in the centre 

 and horny at the base, membranous towards the apex (3). 

 Mandibles and Maxillce inclosed in the labium. 

 Labium as long as the head, biarticulate, a considerable portion 

 of the basal joint concealed beneath the clypeus, more robust 

 and scarcely so long as the 2nd. (2, and 2* ; the latter in profile, 

 showing the mandibles and maxillae detached at the base.) 

 Head very broad and trigonate, the face convex in the centre and stri- 

 ated transversely (1). Eyes sometimes very prominent. Ocelli 3 in 

 triangle. Mesothorax transverse separated from the Scutellum, which 

 is very large and convex, by a transverse suture. Postscutellum 

 sometimes cruciform. Abdomen robust and conical, composed nf 6 or 

 7 segments, with 2 plates beneath at the base in the males (5 c), the 

 apex cleft horizontally in the male ; with an ovipositor concealed be- 

 neath in the female. Wings deflexed when at rest, meeting on the 

 back, membranaceous, furnished with numerous nervures, united be- 

 fore reaching the posterior margin, superior much the largest, fre- 

 quently twice as long as the body, elongate oval, hegs short. Thighs 3 

 anterior short, incrassated and toothed beneath (6). Tibiae simple, 

 posterior with a few strong spines below the middle, and several at the 

 apex. Tarsi short and triarticulate, basal joint minute, 2nd a little 

 longer, 3rd twice as long. Claws strong and curved (5 a posterior 

 coxae, b pessellum.) 

 Obs. Figures 2, 5 and 6 are the head, body and fore leg of C. Anglica. 



Anglica Sam. Comp. pi. b.f 2. — Curt. Guide, Gen. 1072. 2. 



Male rather smaller than the female. Dull black, slightly clothed 

 with soft hair and partially with fine golden hairs. Abdomen of 

 the male with a cavity covered with a membrane on each side 

 the basal joint above; margins of the abdominal segments, ex- 

 cepting the 2 first, ferruginous, the penultimate with a broad 

 ochreous band, the lower apical lobe entirely ochreous. Wings 

 slightly yellow, nervures brown, costa ochreous, base scarlet ; 

 inferior wings slightly brown at the anal notch. Legs ochreous j 

 anterior coxae and thighs variegated with black on the inside, 

 the others with a brown stripe not reaching the apex ; base of 

 tibiae and tips of tarsi piceous. — 0^*5. I have a variety with 2 tri- 

 angular ochreous spots on the scutellum. 



In the Author s and other Cabinets. 



