﻿10 



Males niacroptcrous. Head, antennae, thorax, and let^s, Ijrown, 

 with small lighter spots on frons. Apex of first antennal joint. 

 I)lack. Lateral margins of pronotnm and scntellum. dark. Large, 

 hlack pleural spot. Anterior and intermediate tarsi, and apex of 

 tibiae, banded with black. Tegmina. hyaline, sutfused with brown. 

 Dorsum, white to end of clavus ; black spot on apex of anal vein. 

 Apical cells 4 to 8, and along apical veins 1 to 3, dark brown, con- 

 tinuing into distal part of radial, median, and inner discoidal cells; 

 light spot in distal cells 6 to 8. \'>ins. dark, finely granulated. 

 Anal tube large, with a pair of straight, somewhat bulbous spines 

 reaching beyond middle of pygophor. Genital styles, broad, fiat- 

 tish, distal end cut ofif square, outer edge giving cnit blunt prong 

 half way down and inner edge small blunt knob. \'entral spines, 

 thin, touching from base to tip. 



Female dimorphic, macro])terous forms similar to male, except- 

 ing abdomen which is lighter ; brachypterous forms lighter with 

 the spot at apex of anal vein and a spot at end of radial cell. 

 Length, males 3 mm, 5 mm; females. 5 mm, 6 mm; brachypterous 

 females 4..^ mm, 4 mm. 



Habitat, Laloki River, British New Cniinea, on sugar cane. 



12. ainboiiicnsis sp. nov. (Figs. 4 and 5.) 



Males niacro]:)terous. markings on head and thorax similar to 

 lalokcnsis, but lighter, especially the legs. Tegmina, brownish 

 h}-aline. Apical cells 4 to 7 and base of 3 dark, also along apical 



