101 



I. mamake n. sp. PI. IV, f. 8. 



Male. Brachypterous ; length 2.5 mm.; tegmen 1.8 mm.; vertex as 

 long as broad, apex very slightly rounded ; length of face nearly three 

 times the width (i to 2.8), sides subparallel, median carina simple; an- 

 tennae reaching to the middle of clypeus, first joint half the length of 

 the second ; legs long, hind femora reaching well beyond apex of abdo- 

 men, tibia longer than femora, first tarsus longer than the other two 

 together; tegmina reaching to base of pygofer. 



The opening of pygofer large, slightly angular at sides, dorsal emar- 

 gination large enclosing about two-thirds of anal segment ; anal segment 

 slightly lipped, two large, slender, slightly curved spines near together at 

 base, directed basad and not visible when anal segment at rest ; genital 

 styles large, reaching nearly to anal segment, broad, fiat, apex truncate 

 with corners slightly produced, slightly angled at middle; aedeagus 

 long, thin, subtubular, widest at base where it is slightly flattened later- 

 ally, slightly enlarged before apex which is pointed, orifice on ventral 

 aspect at apex, three spines on the right side, in a dorso-lateral position 

 near apex, over the ventral aspect and left side on the apical half there 

 are some sixteen small spines, several being bunched together slightly 

 basad of the orifice. 



Black ; antennae, carinae of head, genae beneath transverse carina, 

 carinae and lateral and posterior edges of pronotum, legs, base and mid- 

 dle of abdominal tergites ochraceous tawny. Tegmina ochraceous, veins 

 black except at extreme base and apex and over cross-veins, the black 

 spreading out into the membrane, the apical margin, apical veins and 

 cross-veins white or light ochraceous, granules very minute, sparse and 

 bearing fine black hairs. 



Female. Brachypterous; length 3.8 mm.; tegmen 2.1 mm. Tegmina 

 reaching to eighth tergite. In color the female is lighter than the male, 

 the light color of the carinae extending further afield. 



Habitat. Waikamoi gulch, East Maui, 4000 feet elevation 

 (Rock, August 1918) on Pipturus species (native generic 

 name MamaJi-e). 



Described from nineteen males and fifteen females. The 

 half grown nymphs have two median carinae. and the basal 

 joint of antennae is annular; their color is ochraceous with 

 blackish markings between the carinae of head and thorax, and 

 over the middle of tegminal and wing pads. 



Tbis species is quite distinct bj the genitalia, it comes into 

 ■the same group as /. oahuensis (Muir). 



