378 PROCEEDIK'GS OF THE NATIONAL MUSEUM vol.94 



with rather small, elongate punctures, not truly strigate ; median line 

 inij)unctate from base to apex, not elevated; subglabrous. 



Elytra wider than pronotum and 1.70 times as long, 1.44 times as 

 long as wide, widest behind middle ; bases separately, feebly arcuate ; 

 sides nearly straight and feebly divergent on anterior two-thirds, then 

 narrowed, very broadly rounded behind; surface shining; striae im- 

 pressed, punctures large and conspicuous anteriorly, becoming incon- 

 spicuous behind ; interspaces wider than striae, slightly convex ante- 

 riorly, more strongly convex near declivity, rugulose, with small punc- 

 tures, becoming finely granulate behind; declivity moderately steep, 

 somewhat flattened in sutural region; anterior half subglabrous, pos- 

 terior half, including declivity, with conspicuous, yellow-cinereous, 

 erect bristles. 



Female. — Very similar to male in most respects; frons similar to 

 male, but with epistomal region much more finely and densely punc- 

 tured ; vestiture similarly disposed but much finer and less conspicuous. 



Tyj>e locality. — Tampico, IMexico. 



Additional localities. — Livingston, Guatemala ; Trece Aguas, Guate- 

 mala (elevation 900 feet), and Porto Bello, Panama. 



Host. — Unknown. 



Tyfc material. — Holotype, allotype, and 12 paratypes, U.S.N.M. No. 

 5G555. 



The holotype, allotype, and 2 paratypes were taken at Tampico. 

 Mexico, by E. A. Schwarz ; D paratypes were collected by Barber and 

 Schwarz at Livingston and Trece Aguas, Guatemala ; 1 paratype was 

 taken by A. Busck at Porto Bello, Panama. 



Genus CAMPTOCERUS Latreille 



CAMPTOCERUS BOLIVIAE, new species 



Plate 16, Figubes IS, 19 



Female. — Black, moderately shining; 3.50 mm. long, 2.45 times as 

 long as wide; last two abdominal segments visible beyond end of 

 elytra. 



Frons (fig. 19) convex, opaque above eyes; frontal rectangle 1.08 

 times as wide as long; strongly concave from upper level of eyes to 

 epistoma, surface reticulate, with moderately close, deep punctures 

 bearing fine, rather short hairs ; surface with an arcuate elevation on 

 lower frons and epistoma, epistomal lobe short and wide. Eye wider 

 above, the lower end subangiilate, facets moderately fine. Antenna 

 with club irregularly ovate, attached to funicle at side of base, with 

 little evidence of suture, except for a faint partial septum. 



Pronotum 1.07 times as wide as long, posterior outline weakly 

 bisinuate, with strong beaded margin, posterior lateral angles weakly 



