36 MISC. PUBLICATION 341, U. 8. DEPT. OF AGRICULTURE 
rado specimen, and the first of the two Kansas specimens in the Le- 
conte collection at Cambridge probably is Horn’s Kansas specimen. 
The second example in the Leconte collection is planitiatus. 
The rugose nature of the pronotal sculpture is usually evident, even 
with the normal dense coating of scales in place. This sculpture, 
as shown on abraded specimens, consists of coarse granules or small 
tubercles, each with a fine, seta-bearing puncture at the summit; many 
of the granules, especially toward sides of pronotum, coalesce to form 
irregular ridges, thus giving a rugose effect. The sculpture varies 
greatly, irrespective of sex, though in general it is deeper and more 
distinct in the male. 
About 30 specimens of candidus have been examined. ‘The eye va- 
ries in outline and convexity but as far as noted is never quite so 
convex as in planitiatus and texanellus, and usually is decidedly less 
so. The rostrum is subplanate to broadly, rather deeply concave 
above. Funicular segment 2 is almost always considerably longer 
than 1 and in a female from western Kansas approaches the length 
seen in texanellus; rarely (one male, Wyoming) are these segments 
about as in planitiatus, that is, subequal. In a Kansas female and a 
South Dakota female the pronotum is considerably more convex than 
is usual in this sex, though not so convex as in the male. The prono- 
tum, in the case of a few females, has a vague, shallow, postmedian 
impression on each) side. The emargination on abdominal sternite 5 of 
the female varies in width and depth. The median lobe of the male, 
as shaped in a Nebraska specimen, is rather abruptly widened basally, 
the width at apical third subequal to width at basal third, and the 
apical margin broadly rounded. In a South Dakota male the width 
at the apical third is obviously less than at the basal third, in this 
respect resembling the median lobe of planztiatus, in which species, 
however, the basal portion is less abruptly widened and the apical 
margin is more narrowly rounded. In a Kansas male the basal por- 
tion is more as in planitiatus but the apical margin is rounded as in 
the Nebraska male mentioned above. These variations do not seem to 
be correlated with differences in habitat in any way suggestive of geo- 
graphic races. 
In candidus the short elytral setae, less convex and more elliptical 
eye, the longer second segment of the funicle, and the fact that the 
prothorax is not, or less, narrowed basally will usually distinguish it 
from planitiatus. Other differences are mentioned under planitiatus. 
(18 PANTOMORUS (PHACEPHOLIS) PLANITIATUS, new species 
(Figs. 8, A, B, J; 4, K: 5, G, H) 
Phacepholis candida Pierce (not Horn), U. S. Natl. Mus. Proc. 37: 362, 1909; 
Jour. Econ. Ent. 3: 363, 364, 1910. 
Pantomorus (Phacepholis) candidus Pierce (not Horn), U. S. Natl. Mus. Proce. 
Aly 41 AO 1913: 
Length 6-7.5 mm. Usually gray or brownish gray, head with a whitish patch 
above eye, pronotum with rather indefinite median and lateral brownish stripes, 
the elytra with indefinite brownish areas or faint to rather conspicuous pale- 
brown to fuscous stripes on even intervals, the elytra occasionally dark gray 
to fuscous with paler stripes on the odd intervals. Seales dense, those on 
elytra overlapping, at least in places; setae erect, longer, finer, and more 
numerous than in candidus. 
{| 
Rostrum in dorsal view slightly tapering, subapical area scarcely to distinctly | 
impressed, latero-marginal carina feeble to moderate, the intercarinal area 
iE 
