89 



apex, base about middle of eye; length of face 1.7 times the width, sides 

 slightly acuate, median carina simple ; antennae reaching a little beyond 

 base of clypeus, first joint half the length of second; legs short, hind 

 femora not reaching beyond apex of abdomen, tibiae longer than tarsi, 

 first tarsus about equal to the other two together, spur as long as first 

 tarsus. Tegmina reaching to eighth abdominal tergite. 



Opening of pygofer large, about as long as broad, round, (in the 

 figure the anal segment is shown greatly elevated and so the shape of 

 the opening looks longer than broad, when the anal segment is in 

 repose the shape of pygofer is more like that of bridivelli), dorsal 

 emargination large, wide, embracing about half the anal segment, anal 

 angles not produced ; anal segment with two short spines on the under 

 side not very near together ; genital styles flat, broad, apex truncate 

 with the angles slightly produced, outer and inner edges slightly con- 

 cave; aedeagus flattened laterally, slightly curvd, broadest in middle, 

 considerably narrowed at apex which is produced into a small point, 

 right side with three small, flattened spines, left side with two spines. 



Dark auburn or black, antennae, carinae of head and thorax, between 

 the carinae of pronotum and over the mesonotum, median portion of 

 pygofer and seventh and eighth abdominal tergites pale orange ; legs 

 light with longitudinal markings on femora and tibiae, apical tarsi dark. 

 Tegmina opaquely or milky white, veins whitish with black granules 

 bearing black hairs, a black mark at apex of clavus. The opaque white- 

 ness varies, the membrane in some specimens being clear with brownish 

 markings. 



Female. Brachypterous; length 2 mm.; tegmen i.i mm. In color the 

 female is generally lighter than the male. 



Habitat. Haleakala (near the sumniit), ]\f.aui, 7000 feet 

 elevation {BridweU, Angust 1918) on Tetmmolopium humile. 



Described from fourteen males, fourteen females and twenty 

 nymphs. The nymphs are light in color with darker markings 

 somewhat similar to the adults hut not so extensive, the tegmina! 

 pads are mostly all dark. 



This species is very distinct and I cannot place it very 

 near to any other species at present. 



I. argyroxiphii (Kirk.) 



I have not seen a male of this species. A female specimen 

 taken by Swezey at the same time as the male figured by 

 Kirkaldy* has the following dimensions : 



Length 3.0 mm., tegmen 1.2 mm. ; lengih of vertex 1.3 



Proc. Haw. Ent. Soc. I. Plate 4, fig. 6. 



