rnOM TIIK INDIAN AKCHIPELAGO. 329 



Male. Testaceous, stout. Head, thorax, and fore wings speckled with 

 brown. Head conical, as broad as the thorax; vertex very much 

 broader than long ; front and face flat, piceous, the former bordered 

 with pale yellow on each side. Pectus with two piceous stripes. Legs 

 piceous. Fore wings with blackish speckles ; a broad irregular 

 blackish band extending from the base to full two-thirds of the 

 length. Hind wings cinereous, hyaline ; veins black. Length of 

 the body 2 lines, of the wings 4 lines. 



Hab. New Guinea. 



Order PHYTOPHTHIRES, Burm. 



Fam. PSYLLIDiE, Lafr. 

 Gen. Cahsidaba. 



Mas. Corpus sat robustum. Caput thoraco anguatius, supra ex- 

 cavatum. Antennw gracillimje, corpore breviores ; articuli 1"' 

 et 2"* incrassati. Pedes breves, robusti. Ala anticse corpore 

 multo longiores, vena longitudinali ramoa quatuor emittente 

 apicem versus arcuata, ramis 1°, 2°, 3°que furcatia. Alee pos- 

 ticsB venis duabus longitudinalibus gracillirais. 



Male. Body moderately stout. Head narrower than the thorax, 

 depressed above. Antennae very slender, shorter than the 

 body ; first and second joints incrassated ; third, fourth and 

 fifth successively shorter ; sixth and seventh as long as the fifth ; 

 eighth longer than the seventh. Legs short, stout. Pore wings 

 much longer than the body, with a vein which emits four 

 branches and is curved at three-fourths of the length to the 

 hind border near the tip ; first branch emerging near the base, 

 forked, its fore fork short, joining the stigma, its hind fork long, 

 joining the costa beyond the stigma ; second branch emerging 

 very near the base, joining the hind border at much before the 

 middle; third emerging beyond the first, joining the hind border 

 close to the second, emitting near its tip a short curved fork to 

 the hind border ; fourth straight, emerging opposite the stigma, 

 proceeding obliquely to the hind border. Hind wings with two 

 very slender longitudinal veins. 



442. Caksidara marginalis. Mas. Testacea, capite lituris duabus 

 lateralibus ferrugineis, antennis albidis articulis 1° et 2° ferrugineis, 3° 

 et sequentibus apice nigris, prothorace guttis duabus lateralibus ferru- 

 gineis, mesothorace ferrugineo vittis quinque (quatuor interruptis) 



