154 Philippine Journal of Science 



triangular on each side of median line with long side next to 

 eye, prominently elevated at posterior ocelli, with median suture 

 conspicuous and convex between antennal sockets and median 

 suture, with an elongate sulcus distally on each side of median 

 line; anterior ocellus scarcely visible from above; frons mostly 

 covered by gense; gense very expansive, but not swollen, contin- 

 uing to clypeus in nearly the same plane with distal portion of 

 vertex. Clypeus moderately large, beak very long and prom- 

 inent. Eyes very large. Antennae one and a half to two times 

 as long as body without wings, very slender and threadlike, 

 darker apically. 



Thorax broad, well arched; propleurites covered by recessive 

 eyes, metascutellum elevated into a large, prominent epiphysis. 

 Legs large, hairy; hind tibiae with spur at base and several 

 spines at apex; basal tarsus of third leg with two black spines 

 at apex. Fore wings membranous, clear, with several (usually 

 six) black or brown spots along posterior and apical margins ; 

 veins setiferous. 



Abdomen somewhat laterally compressed dorsad, and more or 

 less triangular in transverse section, sharply angled above ; each 

 segment with a dense fringe of hairs on posterior margin. Male 

 genital segment not large; forceps not quite as long as anal 

 valve, nearly as broad; anal valve long and slender, inclined 

 toward forceps, truncate at apex. Female genital segment about 

 half as long as abdomen, both valves subequal in length, acute, 

 hairy. 



Tenimber Islands, Larat (Muir), December, 1907, 57 males 

 and females. Moluccas, Amboina (Muir), January, 1908, 1 

 male and 12 females. 



This differs from the other species of the genus in the larger 

 size, longer antennae, armed hind tibiae, and epiphysis on meta- 

 scutellum. The other species are American. An imperfectly 

 preserved specimen from the Philippines seems to belong to this 

 genus. 



Phacopteron lentiginosum Buckton. 



Phacopteron lentiginosum Crawford, Rec. Indian Mus. 7 (1912) 420, 

 pi. 33, figs. A, B, F ; pi. 35, fig. A. 



Nymph. — The nymph of this species is very large and robust, 

 not flattened as in most psyllids but more cylindrical or saccate, 

 the shape characteristic of most gall-forming species. Head 

 very short, much narrower than thorax ; eyes not bulging, small ; 

 antennae about as long as width of head, stout; clypeus large 

 and prominent. Thorax nearly as broad as abdomen, legs short 



