various Central American Coleoptera. 135 
on the Mexican frontier; it has numerous brush-like tufts 
of blackish hairs arranged in three longitudinal lines on 
each elytron. We are indebted to Mr. C. Schaeffer, of the 
Brooklyn Museum, for a specimen of each of these insects, 
and also for 7. pulchella, Schaeff., and 7’. gibbosa, Say. 
*Trichodesma gorhame. 
Trichodesma imperator, Gorh., Biol. Centr.-Am., Coleopt. 
ili, 2, p. 199, pl. 10, fig. 9 (nec Cast.). 
Trichodesma gorhami, Pic, L’Echange, xvii, p. 94, nota 
(1901). 
Elongate, piceous, the antennae and tarsi ferruginous; densely 
clothed with pale brown and whitish decumbent pubescence, inter- 
mixed with very long, erect, light hairs and dark setae, the whitish 
pubescence here and there clustered into dense fascicles, which 
become larger and more crowded on the apical declivity of the elytra 
(two on each elytron near the suture, the anterior one followed by 
a cluster of blackish setae, being very conspicuous) and at about the 
middle of the disc coalescing into two oblique streaks (the inner one 
reaching the suture and forming with the corresponding streak on 
the opposite elytron a common ,~-shaped mark), the dark setae 
clustered into a few small oblong or rounded widely scattered 
fascicles on the disc of the elytra and two on the anterior declivity of 
the thorax. Thorax broadly arcuato-explanate, the sides feebly 
sinuate towards the base, the sculpture hidden by the vestiture, 
the compressed dorsal hump angular as seen in profile. Elytra 
elongate, parallel, rather convex, granulate, very uneven, conjointly 
rounded at the apex, the closely-packed rows of coarse, transverse 
punctures interrupted by the inequalities of the surface. 
Length 5-54, breadth 2}—2} mm. 
Hab. Mexico, Almolonga in Puebla (Hoge). 
The above description is taken from the two examples 
in the “ Biologia” collection, one of these having been 
figured by Gorham as 7. imperator. Pic renamed the 
insect from this figure, but he did not describe it in any 
way, neither did Gorham give any characters for the 
specimens he referred to 7’. imperator. 
*Trichodesma pictipennis, n. sp. 
Elongate, piceous, the antennae and tarsi obscure ferruginous ; 
mottled with grey, pale brown, and whitish, decumbent pubescence, 
intermixed with long scattered erect hairs and black setae, the latter 
