﻿1 2^^ n 3^ 



625. 

 LIVILLA ULICIS. 



Order Homoptera. Fam. Psyllidae. 



Type of the Genus Livilla Ulicis Curt. 

 LiviLLA Curt. 



Antenna inserted on each side of the head, before the eyes, as 

 long as the head and thorax, capillary, scabrous and 10-jointed, 

 2 basal joints stout, obovate- truncate, the remainder slender, 3rd 

 very long, the following shorter, 9th and 10th the shortest, the 

 apex furnished with 2 little unequal bristles (4). 

 Mandibles and Maxillce setiform. 



Labium small, attached to the hinder part of the face, and pro- 

 jecting between the anterior coxae, biarticulate, 1st joint elon- 

 gated, 2nd homy and conical, with a small tuft of hair on each 

 side (2). 

 Head large, with the front produced and deeply cleft, forming 2 large 

 cylindric somewhat conical lobes : eyes remote, lateral, prominent 

 and globose : ocelli, one placed on each side close to the eyes and a 

 Srd probably at the base of the cleft. Thorax suborbicnlar, with a 

 broad narrow collar : scutellum small, semiorbicular. Abdomen 

 short, broad, and subovate. Elytra deflexed in repose, large, coria- 

 ceous, convex and ovate, the nervures raised, one simple and 2 fur- 

 cated : wings small, membranaceous, oval, with short costal cells, 

 one simple^ and 2 furcate nervures . hegs short : hinder coxse with 

 a large spine : thighs very short, especially the anterior : tibiae 

 simply clavate, the hinder with a few minute spines at the apex: tarsi 

 biarticulate, the joints nearly of equal leyigth : clti 'vute (6 f, a 



hind leg, including the trochanter) . 



Ulicis Curt.— Guide, Gen. 1049'^. 1. - 



Black, shining ; lobes of the head hairy ; antennae ochreous at 

 the base', elytra pitchy-brown, slightly rugose-; wings pale 

 fuscous, costal nervures pitchy, the others brown : legs pu- 

 bescent, ochreous, hinder thighs brown, except at their tips ; 

 spines of tibiae and claws blackish. 



In the Cabinets of Mr. Dale and the Author. 



