218 Mr. W. L. Distant on jS'eotropical Penhitomidiie. 



fourth only slightly longer than second, fifth a little shorter 

 than third; proiiotum^Avith the lateral margins strongly 

 sinuate, uear apex ohtnsely broadly bispinous, the lateral 

 angles suhpromiiieiit and broadly subspinous, the disk 

 distinctly ruguloseand with two distinct transverse tubercles 

 on the anterior area ; scutellum finely punctate, distinctly 

 rugulose uear base, at apex the margins moderately reflexed ; 

 corium thickly punctate : membrane dark cupreous ; body 

 beneath more or less punctate ; rostrum reachiug the penul- 

 timate abdominal segment ; tarsi brownish ochraceous. 



Louir. 10-1 li mm. ; exp. pronot. angl. D-oh mm. 



Had'. Colombia; Cali (Brit. Mus.). Costa Rica ; Tala- 

 nianca ( Pi f tier, Coll. Dist.V 



Ditlers from P. pluto, Stal, by the difTerent colour of the 

 autenuffi and the relative length of the joints, the sinuate 

 lateral margins of the pronotum and the anterior bidentate 

 armature of the same, two anterior callosities to the pro- 

 uotum, length of rostrum, kc. 



Genus Tkixcavellius. 

 TrimavelUu?, Dist. Ti-. Eiit. Soc. Loud. 1900. p. 103. 

 Type, T. fjalapagoensis, Butl. 



TrincaveJlius chUensis, sp. n. 



Ochraceous, with fine scattered blackish markings ; head 

 large, broad, somewhat truncate in front, a little shorter 

 than breadth between outer margin of eyes, the lateral 

 margins obtusely angulate in front of eyes; antennae ochra- 

 ceous, first joint short, not reaching apex of head, second 

 distinctly longer than third, which has its apex black (re- 

 maining joints mutilated iu type) ; pronotum nearly twice 

 as broad at base as long, the lateral areas laminately ampliate 

 and reflexed, the anterior angles acute, finely granulose, 

 moderately pilose, the anterior lateral margins and central 

 anterior and posterior margins more or less mottled with 

 black ; scutellum longer than head and pronotum together, 

 a black spot at each basal angle, basal third moderately 

 convex, remaining area finely speckled with blackish, some- 

 what thickly finely punctate ; corium thickly finely darkly 

 punctate : membrane small, ochraceous, not reaching apex 

 of abdomen; connexivum ochraceous, a black line on each 

 side of the incisures; body beneath and legs ochraceous; 

 head beneath and sternum coarsely dai kly punctate, abdo- 

 men concolorously punctate ; femora darkly speckled and 



