14 
Psyche 
[March 
(M.C.Z.) all from the northwestern Sierra Nevada de Santa 
Marta, Colombia, 12,000 ft., Fbb. 11, 1929 (Darlington), 
from the paramo zone. 
Pachyabaris minuta, n. sp. 
Upper surface rather dark bronze; antennae, legs, and 
palpi darker than in the other species of the genus. Length 
6.1 mm.; width 2.3 mm. Prothorax subrectangular, shaped 
as in striolata (1.4 by 2 mm.) ; basal width 1.7, apical width 
1.3 mm. Elytra oblong (3.4 by 2.3 mm.) ; shoulders each 
with a minute tooth; basal margin slightly sinuate, not 
thick; striae lightly impressed, with vestigial punctation; 
interstices almost flat, third with 3 or 4 large punctures, all 
near third stria ; apical sinuation slight. Hind tarsi stouter 
than in any other species of the genus. Microsculpture of 
elytra and of base of prothorax distinct, isodiametric. Ae- 
deagus as shown in Fig. 9. 
Holotype $ (Museum of Comparative Zoology, Type No. 
28,434), allotype $ (coll. Straneo), and two paratypes ( $ 
in M.C.Z., $ in coll. Straneo) all from the south side of the 
Sierra Nevada de Santa Marta, Colombia, 8-11,000 ft. (T. 
D. Cabot). 
Pachyabaris laevis, n. sp. 
Upper surface as in preceding species ; legs, antennae, and 
palpi reddish brown. Length 7.6 mm. ; width 2.9 mm. Form 
stouter than in preceding species. Prothorax wide (2.1 by 
2.7 mm.) ; sides moderately narrowed anteriorly, very little 
so basally; anterior width 1.7, basal width 2.5 mm.; basal 
angles obtuse, with tips moderately rounded ; basal impres- 
sions faint, spaces between them and lateral margins convex ; 
base narrowly margined at sides; disc little convex, with 
median line moderately impressed, subpunctate, not reach- 
ing base. Elytra convex, moderately elongate (4.1 by 2.9 
mm.) ; shoulders nearly square, each with a minute tooth; 
scutellar stria variable; striae faint; interstices flat, third 
with 3 or 4 punctures, the anterior one near third stria, 
