216 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 92 
in female and with hairs short, fine, and inconspicuous; declivity with 
nearly obsolete granules as in female. 
This species is very closely allied to hubbardi, and specimens readily 
run to that species in the key to Group VI but do not quite agree in 
several essential characters. 
Type locality —Jacala, Hidalgo, Mexico. 
Host.—Pinus lawsoni. 
Type material —Holotype, allotype, and eight paratypes, U.S.N.M. 
No. 55989. 
The holotype, allotype, and eight paratypes were collected from 
Pinus lawsoni at Jacala, Hidalgo, Mexico, by Donald DeLeon, Janu- 
ary 18, 1936. 
PITYOPHTHORUS CRIBRATUS, new species 
Female.—Reddish brown, 2.0-2.57 mm. long; holotype 2.14 mm. 
long, 2.76 times as long as wide; with elytra deeply, closely, confusedly 
punctured. 
Frons convex above, flattened below on less than a semicircle, not 
definitely margined; surface shining, finely, closely, rather roughly 
punctured, with moderately short, fine hairs. Eye rather short, mod- 
erately finely faceted, about one-third divided by a rather broad 
emargination. Antenna with club moderately broad oval, widest 
through second segment; septa of first two sutures subtransverse ; third 
suture not septate, strongly arcuate, subparallel to and very near 
distal outline. 
Pronotum 1.15 times as long as wide, widest near base; sides weakly, 
arcuately converging from base to constriction anterior to middle, 
front margin broadly rounded, armed with numerous low, broad ser- 
rations; anterior area with rather sparse, broad, low asperities, in 
incomplete, irregularly concentric rows ; summit behind center, of mod- 
erate height, impressed at each side behind it; posterior area deeply, 
closely, coarsely punctured; median line rather narrow, impunctate, 
strongly elevated anteriorly; hairs short and inconspicuous on disk, 
slightly longer on sides, much longer and coarser at each side just 
behind lateral constrictions. 
Elytra scarcely wider than pronotum and about 1.57 times as long, 
1.72 times as long as wide, sides subparallel on anterior four-fifths, 
then strongly narrowed to the slightly elevated suture; surface 
brightly shining, punctures rather coarse and close, very deep, con- 
fused, with little indication of strial rows on disk, all of punctures 
bearing fine, rather short hairs; sides with strial rows irregular, with 
vestiture as on disk. Declivity rather sloping, broadly, rather shal- 
lowly sulcate at each side of the elevated suture, lateral convexity not 
strongly elevated, slightly lower than suture, both suture and con- 
vexity with a few small, obsolescent granules; entire declivity includ- 
