CHRYSOMELIDAE. 



179 



1. Aprionota lucida, sp. nov. (Text-fig. 1). 



Body narrowed in front and more so posteriorly. General colour shining 

 black, sometimes slightly diluted with dark red-brown ; five basal segments 

 of antennae brown, tinged with blackish ; legs similarly coloured, in some cases 

 brown predominating, in others blackish colour more evident. 



Head with impunctate vertex. Eyes approximated, separated by a thin 

 strip. First segment of antennae long and club-shaped, second small rounded, 

 third and fourth equal, each being- 



shorter than fifth, sixth thicker and 

 longer than fifth, seventh to tenth 

 about equal to each other, eleventh 

 somewhat smaller, ovate and blunt. 

 Prothorax narrowed in front, with 

 somewhat convex margin ; sloping 

 at each side ; lateral edge margined ; 

 upper surface smooth, almost im- 

 punctate, or seen under a high power 

 very sparsely punctate. Scutellum 

 small, ovate, flat, smooth and im- 

 punctate. Elytra not broader at base 

 than prothorax. Humerus not con- 

 vex nor prominent. On each elytron 

 eleven longitudinal regular rows of 

 punctures, including a scutellar and 

 an extreme marginal row ; intervals 

 between rows appearing raised on 



lateral and apical areas, and the rows Text-fig. 1. — Aprionota lucida, sp. n. x 24. 

 themselves appearing deeply im- 

 bedded in channels ; rows meeting in pairs on apical area, and, at least those 

 on discal area, not parallel to suture but inclined to it at an acute angle ; 

 surface of intervals smooth and impunctate. Under side : sparsely hairy, 

 abdominal sternites more hairy ; female with a deep fossa in middle of 

 penultimate visible sternite. 



Length, 2| mm. ; 2 mm. 



Upolu: Malololelei, 2,000 ft., vi.1924, 4 examples; 22.xi.1924 (type), 

 4 examples, one of which is mounted in balsam. 



