﻿IX, D. 6 



Baker: Studies in Philippine -fassoidea, I 



419 



differences, the head in whiteheadii is narrower than pronotum 

 and the disc of front is flattened. In these characters the species 

 agrees with the genus Kolla of Distant. But the chief character 

 mentioned by Distant for Kolla — the curvature of the anterior 

 margin of vertex beyond eyes — varies widely in the sexes of 

 many species of Tettigoniella, as it does in the species described 

 above. In fact, so much does it vary, that in some species, the 

 female might be typical Kolla. and the male Tettigoniella so 

 far as this character is concerned. In Tettigoniella, likewise, 

 there is a wide range of flattening of the disc of the front. 

 Distant himself figures species of Tettigoniella with head dis- 

 tinctly narrower than pronotum. 



Tettigoniella makilingensis sp. nov. 



Pale greenish yellow, below 

 concolorous, with clypeus, 

 tibiae apically, and tips of 

 female valves, light green. 

 Tip of vertex with a small 

 black spot. Length $ 11 mm. 



Head slightly broader than 

 pronotum. Face nearly twice 

 as long as width between eyes 

 and strongly swollen. Outer 

 genal margins nearly straight. 

 Front with disc not flattened, 

 the lateral areas with numer- 

 ous darker transverse streaks. 

 Face and vertex finely sha- 

 greened. Vertex with a sharply impressed median line, the 

 anterior areas on either side of this strongly convex. Vertex 

 strongly angularly produced, nearly as long as width between 

 eyes, and a little longer than pronotum. Ocelli just in front of 

 line of anterior margins of eyes, about as far from eyes as from 

 median line. Pronotum with a few scattering very weak punc- 

 tures, anteriorly with a transverse impressed groove, this groove 

 strongly roundly bent cephalad near middle, straight at the 

 sides. Scutellum smooth, with a sharp transverse impressed 

 line behind middle of disc; width equalling length, and this 

 much exceeding length of pronotum. Tegmina whitish trans- 

 lucent, apically transparent, the principal sectors of both clavus 

 and corium brown and indistinctly beaded. Last ventral seg- 

 ment of female with hind margin broadly evenly rounded. 



Luzon, Laguna Province, Mount Maquiling {Julian Valdez — 

 coll. Baker). 



Fig. 10. Tettigoniella makilingensis sp. nov. 



