Vol. xxvii] ENTOMOLOGICAL NEWS. 2O5 



Platymetopius nigricollis n. sp. 



Form of brcvis nearly but longer, with a blunter head. Green with 

 the head, face and below black. Length 3.5-4 mm. 



Vertex in the female slightly obtusely rounded, scarcely one-third 

 longer at apex than against eye, about equalling the pronotum; male 

 still shorter and narrower. Face as seen from the side convex, front 

 broad and short. Elytra compressed, venation obscure, third apical 

 narrow. Female segment moderately long, margins parallel at the 

 sides, the median half of posterior margin roundly produced. Mala 

 valve rather narrow, long-oval, plates together narrow, long-triangular, 

 their acute apices exceeding the valve by one-half its length. 



Color: vertex black, minutely irrorate with white, three ivory white 

 dots at apex and an irregular basal margin ivory white. Pronotum 

 unicolorous, green, or with a few minute black dots. Scutellum green 

 with two black spots at base in some specimens. Elytra green, nervures 

 unicolorous, surface peppered with minute black dots, omitting the 

 usual circular spots, reflex nervures scarcely dark marked. Face finely 

 heavily irrorate with dark brown or black. Below black. 



Descibed from two females and two males from Mojave, 

 California, and St. George, Utah, collected by the writer. 

 The short black head on the definitely green body renders this 

 a striking species. In life there was a definite golden cast that 

 partly disappears in the dry specimens. 



Platymetopius brevis var. torridus n. var. 



5. Form of brcris but with the entire insect of a fulvo-testaceous 

 cast. 



Vertex with three apical ivory dots and usually a narrow light 

 margin on each side of the median line anteriorly. Disc irrorate with 

 testaceous. Pronotum and scutellum fulvo-testaceous, usually un- 

 marked. Elytra uniformly washed with fulvo-testaceous except for 

 the usual circular spots which are milk white in striking contrast; 

 sometimes the nervures and reflex veinlets are pale sanguineous. 



Described from four females from Mojave and Calexico, 

 California. The color of this variety is so much higher and 

 more uniform that it would scarcely be recognized as belonging 

 to this species as described. It is possible that all the material 

 from the Western deserts may prove to be distinct from the 

 Jamaica examples. 



Chlorotettix delta n. sp. 



$. Size and general appearance of tcthys but with a much sharper 

 head. Pale green with a slightly tawny cast towards the tips of the 

 wings. Length 4.5 mm. 



