530 PROCEEDINGS OF THE NATIONAL MUSEUM vol. in 



on the basis of the propleural sculpture. These specimens had the anterior pro- 

 pleural convexity distinctly dulled by prominent alutaceousness and often longi- 

 tudinal striae and fine punctures, and the depression and posterior convexity 

 coarsely, transversely striated and often with coarse punctures. This worked 

 very satisfactorily in contrast to the other extreme of highly polished surfaces. 

 But study of additional specimens found so many intermediates that repeated 

 separations of the same material on these characters rarely resulted in the same 

 placement of any but the extremes. 



(4) The male gonostyli also offered some variability which, on the basis of the 

 several specimens studied for this structure, was gradual rather than discontinuous 

 and so could not be used for a separating feature. 



Besides the usual occasional specimen with the comment "collected 

 at light," there was in the material studied a sizable series of unusually 

 small specimens from Surinam labeled "in coffee field," and one 

 specimen from Venezuela with the note "on potato." 



Cyrtomenus {Cyrtomenus) ciliatus (Palisot de Beauvois), new status 



Plate figures 10, 34, 56, 109, 123, 142, 244 



Pentaloma ciliata Palisot de Beauvois, 1805, p. 186, pi. 11, fig. 6. 



Cyrtomenus castaneus Amyot and Serville, 1843, p. 91. — Walker, 1867, p. 147. — 



Stai, 1876, p. 18. 

 Cydnus ciliatus Amyot and Serville, 1843, p. 62. 



Cyrtomenus mutabilis Walker, 1867, p. 147 (part).— Uhler, 1877, p. 367 (part). 

 Pentaloma ciliata "loc. incert." St&l, 1876, p. 26. 

 Cyrtomenus ciliatus Berg, 1879, p. 9 (part). 

 Cyrtomenus mirabilis Berg, 1879, p. 9 (part).— Distant, 1880, p. 3 (part).— Sig- 



noret, 1881b, p. 199 (part, not figure).— Uhler, 1886, p. 3.— Lethierry and 



Severin, 1893, p. 62 (part).— Banks, 1910, p. 99.— Van Duzee, 1917, p. 18 



(part).— Torre Bueno, 1939, p. 177. 



Diagnosis. — The strongly compressed posterior tibia whose width 

 equals that of the anterior tibia marks this species from all its con- 

 geners except crassus Walker. From crassus it is distinguished by the 

 less broadly rounded anterior outline of the head and the more 

 strongly projecting eyes (figs. 56, 57). 



Description. — Male: 



Head: Length more than half width, 1.44(1.30-1.56) :2. 12(1.95- 

 2.28); interocular width, 1.28(1.23-1.36); anterior outline (fig. 56) 

 somewhat triangular, juga slightly longer than clypeus and conver- 

 gent beyond it; eyes projecting by about one-half their width; sur- 

 face decidedly convex, shining, with prominent coarse rugae radiating 

 from base of clypeus, minutely punctate; ocelli very large, separated 

 from eye by space about half transverse ocellar width; jugum ven- 

 trally shining, partly rugulose; maxillary plate alutaceous, with 

 numerous distinct punctures. Antennal segments: I, 0.40(0.36- 

 0.43); II, 0.29(0.26-0.31); III, 0.44(0.40-0.48); IV, 0.46(0.43-0.50); 

 V, 0.48(0.46-0.50). Bucculae less than half as high as labial II, 



