5) 
Rhynchophorous Coleoptera of Japan. 108 
All interstices tuberculate above declivity, which is im- 
pressed and unarmed (length less than 2 mm.), minutus. 
22. Prothorax as broad as long, elytra with alternate series of 
longer and shorter hairs . . . . . . seriatus. 
longer than broad, hairs of elytra uniform, muticus. 
23, Piceous with thorax sometimes lighter. . . . . adumbratus. 
Ferruginous or testaceous . . . alee ce « 24 
24, Elytra rather strongly striato- famataie Be oN fade Eichh. 
finely punctured in rows. . . . .  vicarius, Kichh, 
25. Declivity with a narrow suleate impression along suture, 
each lateral margin with four or five small 
tubercles’... fe: - . « schaufusst. 
widely impressed, eis eed margin with two 
strong spines . . . See . 26 
26. Ferruginous brown, apical deprension mearl Serra feably 
emarginate below .. . tite Pele) AfOnsUs: 
Black, apical depression very oblique, us ongly emarginate 
GLOW fy a! var al oe. Mt Ce emote ct eee al, eh, NEES Cs 
Xyleborus mutilatus, sp. n. 
Fem. Curta, subnitida, fusco-pilosa, nigra, antennis pedibusque 
ferrugineis ; prothorace magno globoso, lateribus leniter, apice 
fortiter rotundato et tuberculis duobus ornato, supra in medio 
transverse elevato et postice utrinque impresso, anterius exasperato, 
posterius dense punctato, supra scutellum hirto ; elytris prothorace 
brevioribus, a basi fere oblique et abrupte declivibus, supra irregu- 
lariter punctatis, declivitate striata, interstitiis granulatis, lateribus 
et apice infra marginatis. Long. 3°5 mm. 
One example, without locality. 
Black, with the base of the elytra alone shining, covered with 
fine erect fuscous hairs. Head large, prominent, finely reticulate, 
front convex, punctured, and hairy; mouth ciliate with yellow 
pubescence ; eyes small, flat, finely emarginate ; antenne ferruginous, 
club round, basal joint large, shining, reaching nearly to apex of 
club. Prothorax a little longer than broad, its base bisinuate, 
produced behind, basal angles nearly rectangular, sides straight 
and subparallel behind, becoming more rounded in front with apex 
broadly convex, apical margin bisinuate, slightly produced in 
middle and armed with two prominent tubercles ; surface very 
convex, cylindrical at base, with an obtuse transverse élevation in 
middle, in front of which it is declivous to apex, anteriorly 
separate and pilose, posteriorly densely punctured except over 
