NEW PHYTOPHAGOUS COLEOPTERA 73 
as the body, black, the two lower joints stained with fulvous, 
the third joint much longer than the fourth; thorax twice as 
broad as long, the sides forming a distinet angle near the 
middle, from there to the base they are somewhat concave, the 
anterior angles tuberculiform ; surface with a deep longitudinal 
depression from the base to the apex, widened at either place, 
at the sides a deep transverse fovea is placed; scutellum black; 
elytra bright metallic green at the sides, cupreous at the disc, 
closely and distinctly punctured; the shoulders are very pro- 
minent and bounded within by a longitudinal groove, a similar 
but longer sulcation commences below the shoulders at the 
sides but is abbreviated below the middle; legs slender; tibiae 
unarmed ; claws deeply bifid; anterior coxal cavities open. 
Hab. New Guinea, Ramoi (L. M. D'Albertis). A single spe- 
cimen. 
Larger than the 2 species described by Baly, entirely metallic 
without pubescence ; the want of the flavous elytral margin and 
the black and impunctate thorax separates the species from 
S. limbata Baly. 
47. Sastra costatipennis, n. sp. 
Testaceous; the base of the head, antennae (their basal joints 
excepted) tibiae and tarsi, piceous; thorax angulate at the sides; 
elytra closely punctured and subrugose, metallic green, the 
sutural and lateral margin purplish brown, each elytron with 
3 longitudinal costae. 
Length 4-4 !/, lines. 
Head with a few punctures between the eyes; the latter 
large; the vertex piceous; the frontal tubercles testaceous as 
well as the clypeus; palpi slender, filiform; antennae rather 
more than half the length of the body, filiform, the two basal 
and the base of the third joint, fulvous, the others fuscous or 
piceous; the third joint much longer than the fourth; thorax 
transverse, the sides strongly angulate before the middle, the 
angles acute but not produced; surfaces with a deep and broad 
