252 ENTOMOLOGICAL NEWS [June, 'll 



No. 6. Nymph $ (the same individual I sent you after its trans- 

 formation.) Food-plant: Sugar cane. January. Not common. 

 Head above yellow with two green stripes with a black center, behind 

 the eyes a large green spot. Face green with black shades, mouth- 

 parts whitish, palpi with black points at apex. Pronotum yellowish 

 green ; on each side two longitudinal stripes composed of blackish green 

 specks ; mesopleurae yellow with three blackish green transverse stripes ; 

 wings clear green. Abdomen above yellowish green, each segment on 

 both sides with two longitudinal stripes of dark green color, so that 

 four stripes, more or less complete, run over the dorsum of abdomen, 

 the last segment yellow with black cerci. Legs greenish and with 

 black spots in regular intervals; femora III yellowish, the outer side 

 with a dark green longitudinal stripe ; tibias and tarsi III spotted with 

 black. Sternum yellowish with a black margin and a red patch. Ven- 

 ter greenish, each sternite with lateral triangular black spots. 



TETTIGONIIDAE. 

 Isophya melanochloris n. sp. 



Type. $ ; Puerto Bertoni, Paraguay. November 2, 1909. 

 (Bertoni, No. 397). [A. N. S. P. type, No. 5175.] 



A very distinct species of the genus with bidentate cerci, 

 sharply pointed processes to the subgenital plate and a most 

 striking livery of green and black. 



Size somewhat large (for the genus). Head short, occiput roundly 

 declivent to the fastigium, very slightly inflated; fastigium about half 

 again as broad as the proximal antennal joint, sub-quadrate, sulcate 

 mesad, distal margin broadly in contact with the broad truncate facial 

 fastigium ; eyes small, rather tumescent, ovate in outline ; antennae ex- 

 ceeding the body in length. Pronotum deplanate dorsad, the disc 

 slightly expanding caudad, the caudal width contained about one and 

 one-quarter times in the length, cephalic margin of disc sub-truncate, 

 caudal margin arcuato-subtruncate, caudal section with a very short 



but decided medio-longitudinal carina; 

 lateral angles of disc rounded cephalad, de- 

 cided caudad ; lateral lobes about one and 

 one-third times as long as deep, ventro- 

 cephalic angle sub-rectangulate, ventro- 

 caudal angle and caudal margin regularly 



arcuate, humeral sinus hardly indicated. 

 Fig. 2. Isophva melanochlons 



n. sp. Dorsal view of apex Tegmma very slightly shorter than the 



of abdomen of tvpe (x 5). > , , ., r ,, 



dorsal length of the pronotum, apex at the 



extremity of the principal veins and rounded, sutural margin regularly 

 arcuate to the apex, costal margin sub-arcuate; tympanum covering al- 



