April, '09] ENTOMOLOGICAL NEWS 163 



Several New Western Jassids. 

 BY E. D. BALL, Logan, Utah. 



Platymetopius nigriviridis n. sp. 



Form of lorlcatus nearly, with vertex longer in the female. Green 

 with black markings. Elytra grayish white. Length $ 4.25 mm., $ 

 3.5mm. 



Vertex very long and acute in the female, resembling latitiis, twice 

 as long as the pronotum. Pronotum short, very strongly, pro- 

 duced between the eyes. Elytra -long and slender, appressed behind; 

 venation slightly obscure, the central anteapical cell strongly con- 

 stricted behind the middle. Front very narrow and tumid, almost tri- 

 quetrus above, convex below, clypeus almost circularly expanded at 

 the base. 



Color Vertex bright green wavily lined with black, omitting a 

 median line on the anterior half and a pair of slightly divergent lines 

 midway between the median line and the eye?, pale green. Pronotum 

 green anteriorly shading out to dirty grayish white on scutellum, disc 

 with three narrow pale stripes bordered with brownish fuscous. A 

 broad brownish fuscous stripe behind either eye continuing along the 

 outer margin of clavus, becoming attenuate posteriorly and often 

 paralleled by a brownish line on disc. Veins of corium except the 

 outer fork of the first sector irrorate or margined with brown, a black 

 spot on the apices of the first and third apical and the first four costal 

 veinlets. The brown markings sometimes absent from the basal half 

 of corium. Face green, upper half of front slightly lined with black, 

 lower half yellowish. 



Gcnitalia Female segment short almost truncate, median half 

 slightly roundingly produced behind ; male, valve long, posterior margin 

 semicircular, plates narrow triangular, exceeding the valve by about 

 its length. 



Described from four species from Tia Juana, California, 

 collected by the author. 



Platymetopius nigriviridis var. dixianns n. vnr. 



Form of nigriviridis nearly, slightly smaller and with a slightly 

 shorter, broader vertex. Color creamy buff with a trace of greenish 

 on tip of vertex. Vertex with the dark markings of iiitirh'iridis. 

 Slight traces of the markings of nifjririridis on the pronotum and 

 apical cells of elytra. 



Described from four females from St. George, Utah, col- 

 lected by the author. This pretty little form from Utah's 



