HEMIPTERA 591 



(20) Nesosydne monticola, sp. nov. 



?. Black ; submedian keels of vertex (and sometimes of the base of the frons) pale. 

 Pronotal keels obscurely pale ferruginous. Tegmina cinereo-hyaline, largely suffused 

 with fuscous (almost altogether except a hyaline transverse stripe near the apical 

 margin); veins mostly dark fuscous. The frons has a few pale specks along the lateral 

 margin and three along the middle keel on each side (the latter sometimes obsolescent). 

 Antennae more or less dark fuscous. A row of pale specks down the middle of the 

 tergites, the apical two or three segments spotted or specked (individually) pallidly. 

 Tegmina reaching to about three-fourths of the length of the abdomen ; mostly four 

 apical cells. Length 3 mm. 



Hab. Maui, Haleakala, 8000 ft. (April, three %%, Perkins). 



Nesothok Kirkaldy. 



Nesotho'c Kirkaldy, 1908, P. H. E. S. i. p. 202, fig. 2. 



An endemic genus of ten species, males of which 1 have seen in three species. It 

 corresponds somewhat to Chloriona in the "laminate-spurred" series. Beyond the 

 spur, it differs by the sudden compression of the tegmina at the base of the apical cells, 

 the stronger excavation of the vertex and the union of the submedian keels of the frons 



o 



closer to the base of the latter. First segment of the antennae not, or scarcely, as long 

 as wide, about one-third of the length of the second segment (typically), which is rather 

 flattened ; clypeus tricarinate. Tibial spur subcultrate, compressed, solid, narrow and 

 elongate, with 7 — 10 strong teeth. In all the species, the frons is marked transversely, 

 more or less clearly, with pale, broken lines and spots. Type N. Jietus. 



The species are separable as follows : 



1. First segment of antennae blackish or dark fuscous (or if pale, then the second 



is blackish) ( 2 ) 



I a. Antennae pale (6) 



2. Frons basally dark with pale markings, apically white (3) 



2a. Frons pale brownish yellow with whitish specks and a whitish suffused blotch 



in the middle ; tegmina brown with a broad white basal band and an 



exterolateral crescent of the same hue i y?t'///j- Kirkaldy. 



3. Vertex and pronotum white ; tegmina immaculate 2 Imla Kirkaldy. 



3a. Vertex and pronotum pale yellowish or brownish; tegmina maculate (4) 



4. Apical third of tegmen not maculate, some of the veins narrowly suffused ■>> frigidula Kirkaldy. 



4a. Apical third of tegmen irregularly suffused, at least one of the cells smoky ...(5) 



5. Tibiae whitish, clearly annulate with brown 4 bobeae Kirkaldy. 



5a. Tibiae brownish yellow, feebly annulate $ perkinsi Kirkaldy. 



6. Apical part of tegmen not blotched (7) 



6a. Apical part of tegmen blotched with brown (9) 



7. Tegmen with an oblique band near the base (8) 



7a. Tegmen only suffusedly smoky 6 /aka Kirkaldy. 



