﻿657. 

 DELPHAX LONGIPENNIS. 



Order Homoptera. Fam. Cicadiidge or Fulgoridae. 



Type of the Genus, Delphax minuta Fab. 

 Delphax Fab., Lat., Germ., Curt. 



AntemKB inserted on each side of the head, on the inferior marerin 



o 



of the eyes, not longer than the head, stout and 4-jointed, basal 

 joint cup-shaped, 2nd large elongate-ovate, pubescent, scabrous 

 at the apex, 3rd joint minute, globose, 4th a long naked seta (4). 

 Labrum short, elongate-trigonate, acute. (3, side view.) 

 Mandibles and Maxilla: setiform. 



Labium not longer than the clypeus, inflected, linear, triarticu- 

 late, basal joint elongated, 2nd the longest and stoutest, 3rd 

 short, pilose, subovate (2* side view). 

 Head conical in profile, the crotvn trigonate, the forehead being piro- 

 duced ; face very oblique, elongate-trigonate (1); eyes lateral and 

 reniform, notched at the insertion of the antennce : oceUi tico, close to 

 the anterior margin of the eyes. Thorax broader than the head, hit 

 very short and somewhat lunate : scutel rather large and trigonate. 

 Abdomen short ; ovipositor long, slightly exserted. Wings deflexed 

 in repose ; superior very long, narroio and coriaceous, with numerous 

 longitudinal nervures and a line of transverse ones toicards the apex 

 (9); inferior ample a7id membranous, with many longitudinal nervures 

 (*). Legs rather short, hinder longer, stouter, and formed for leap- 

 ing ; thighs linear : tibiae not longer, slender, excepting the posterior, 

 which are stouter, with a mimite tooth outside at the base, and another 

 at the centre, the apex incrassated toothed and furnished ivith a large 

 compressed pectinated spur (6 f) .- tarsi short, triarticulate, 2 basal 

 joints stout and toothed at the apex in the hinder j^ai^, the 1st elon- 

 gated: claws minute. 



LoNGiPENNis Curt. Guide, Gen. 1065. 



Ochreous, head and thorax with a dorsal yellow line ; metatho- 

 rax spotted with black : abdomen black with a variegated orange 

 space at the base, the sides orange dotted with black : superior 

 wings blackish, excepting the costa, which is pale and terminates 

 in a white stigma, and the inferior margin which is ochreous, 

 broadest at the base : inferior wings fuscous at the apex: 4 an- 

 terior legs black, apex of thighs, base of tibiae and tarsi, except 

 the tips, whitish ; hinder legs pale ochreous, thighs above and 

 apex of tarsi black. 



In Mr. Dale's Cabinet. 



Delphax is distinguished from Asiraca (pi. 44-5) by the short 

 basal joint of the antennae, and from my genus Criomorphus by 

 its ample wings. A species figured and described by Mr. West- 

 wood in the 6th vol. of Loudon's Mag. Nat. Hist, under the 



