188 LIST OF HOMOPTEROUS INSECTS. 



Genus PTYELUS, Cat. Horn. p. 702. 



Ptyelus ornatus. 

 Aphrophora ornata, Cat. Horn. 702, 13. 

 a. Ega. From Mr. Bates' collection. 



O Ptyelus vittiger. 



Testaceus ; caput vitta media furcata facieque nigris, vittis duabus 

 lateralibus fuscis ; prothorax fusco quadrivittatus ; scutellum 

 pectus et pedes fulva ; abdomen nigrum, segmentorum mar- 

 ginibus posticis pallide testaceis ; alee anticcs nigricante-fusca, 

 apud discum exteriorem lurido-fusca?, fascia interiore lutea, 

 macula elongata exteriore subcostali pallide lutea, guttis duabus 

 albis subapicalibus albis, una nonnunquam obsoteta ; postica: 

 fusco-vitrece, apud discum nigro-fusca. 



Testaceous. Head with a black middle stripe, which is forked 

 hindward, and with a brown stripe on each side; under side black. 

 Prothorax with four brown stripes. Scutellum, pectus and legs 

 tawny. Abdomen black; hind borders of the segments pale testa- 

 ceous. Fore wings blackish brown, lurid-brown in the exterior 

 part of the disk, with a luteous band before the middle, with an 

 exterior elongated subcostal pale luteous spot, and with one or 

 two white subapical dots. Hind wings vitreous-brown, blackish 

 brown in the disk. Length of the body 4 lines; of the wings 

 12 lines. 



a. Ega. From Mr. Bates' collection. 



Ptyelus variolosus. 



Obscure fulvus ; fades nigra; prothorax et scutellum lineis trans- 

 versis fuscis, hoc nigro fas datum ; pedes nigri ; alee antica 

 nigricantes, e lituris variis minutis discalibus fulvis vix 

 bifasciatae ; posticoe nigricante-vitrea. 



Dark tawny. Head black beneath towards the proboscis. 

 Prothorax and scutellum with slight transverse brown lines, the 

 latter with a black band. Legs black. Fore wings blackish, with 

 various minute tawny discal marks, which form two indistinct and 

 incomplete oblique bands. Hind wings blackish vitreous. Length 

 of the body 5 lines ; of the wings 12 lines. 



a. Mexico. From M. Salle's collection. 



