NO. 9 GENUS CHLAENOBIA BLANCHARD— CHAPIN 5 



densely punctured. Elytra with discal costae hardly perceptible. 

 Propygidium very large and only partly covered by elytra, pygidium 

 moderately convex, with a median longitudinal groove (female?). 

 Anterior tibia obtusely bidentate. 



Length. — 13 to 14 mm. 



Type locality. — Not stated in original description ; by Lacordaire 

 as Brazil. 



Type. — In the Paris Museum. 



This species is known to me only from the descriptions of Blanchard 

 and Lacordaire. The above diagnosis is made up from the statements 

 of these authors. Following Lacordaire's suggestion that the speci- 

 mens available to him are females, the species has been inserted in 

 that part of my key. 



CHLAENOBIA AEGROTA Bates 



Chlaenobia aegrota Bates, 1888, Biol. Centr.-Amer., Coleopt., vol. 2, pt. 2, p. 167, 

 pi. 10, fig. I. 



Head moderately coarsely and most densely punctured on upper 

 portion of frons, vertex and lower portion of frons sparsely punc- 

 tured, frons slightly concave, clypeofrontal suture moderately im- 

 pressed and bisinuate, clypeus more coarsely and sparsely punctured, 

 deeply concave, the outer third strongly reflexed, margin feebly 

 sinuate at middle. Antenna nine-segmented. Pronotum transverse, 

 side margins obtusely angulate just before the middle, lateral margin 

 feebly sinuate near posterior angle as viewed from side, viewed from 

 above anterior and posterior angles narrowly rounded ; punctures 

 coarse, very sparsel)^ placed on disk, more densely on flanks. Scutellum 

 equilateral, side margins curved, with a few punctures along sides. 

 Elytra with sutural margins broadly tumid, each with two faintly 

 indicated costae, the one nearer the suture a little better defined ; 

 punctures a little less coarse but more densely placed than on pronotum, 

 epipleura narrow, disappearing before the extreme apex. Metasternum 

 moderately coarsely and most densely punctured, rather densely 

 clothed on median portion with moderately long erect hairs. 



Male. — Antemial club one-fifth longer than second to sixth seg- 

 ments combined. Fifth sternite without special hair tuft, sixth sternite 

 with a shallow median longitudinal groove, its free margin transverse, 

 very feebly produced at middle. Pygidium strongly convex, coarsely, 

 sparsely and irregularly punctured, sparsely set with erect hairs, 

 transversely grooved just before apex, floor of this groove impunctate, 

 apical margin strongly reflexed. Anterior tibia bidentate with a trace 



