Description. Male. Rostrum as long as wide, with sides shallowly emarginate, pterygia weakly
protruding, dorsum flat, angularly protruding to frons and separated from eyes by oblique depressions.
Sides of dorsum in basal half subparallel, smoothening towards eyes; in apical half
moderately roundly expanded over antennal sockets. Anterior margin of rostrum with moderately
deep median emargination. Epistome somewhat ill-defined, weakly convex and rounded
posteriorly and moderately sloping to apex of rostrum. Apical half of rostrum glabrous, shining,
with sparse small round punctures; basal half matte, with dense fine striate punctation mostly
obscured by scaling. Ventral side of head with small fovea at bifurcation point of gular suture,
the latter reaching ventral margin of eye. Tentorial pits small, separated from gular suture. Mandibles
large, strongly convex, with very sharp cutting edge; when clasped, concealing maxillae
and labium. Maxilla with moderately wide mala bearing five heavily sclerotized lacinial
teeth, eight medium-long coarse and 23 long hair-like setae. Inner-lateral surface of mala with
four small denticles. First two segments each with two setae, stipes with five setae. Labium narrow,
with two setae on prementum. Ligula wide, produced and pointed apically, bent
toward 1st segment of palpus. Segments of labial palpi cylindrical, with setal formula 2-
1-0. Antennal scrobes broad and shallow, matte, with dorsal margin ill-defined, vanishing
very close to antennal attachment, and ventral margin angularly bending postero-ventrally
before midlength of rostrum and vanishing at half-way to eye slightly below middle of rostrum
depth. Surface of scrobes obsoletely striate; sides of rostrum sparsely and finely squamose along
dorsal margin and near eyes. Antennae long and slender; scape weakly bent in apical half, with
apical third moderately swollen, apex touching anterior margin of pronotum. Second segment of
funicle slightly shorter than 1st, 3rd segment half as long as 2nd and slightly shorter than 4th,
twice as long as wide; 5th about 0.6 times as long as 4th, somewhat shorter and narrower than the
subequal 6th and 7th segments. Club narrow spindle-shaped, 3 times as long as wide. Eyes medium-
sized, wide-oval, strongly convex; in lateral view, their dorsal margin protruding above head
contour. Frons moderately depressed in middle part across its entire width comprising about 1.3
longitudinal diameters of eye. Temples slightly shorter than eye, barely diverging, without any
constriction. Head capsule densely finely punctate.
Pronotum 1.06 times as wide as long, with sides barely rounded, obsoletely widening anteriorly
and more sharply constricted at apex than at base. Disc weakly convex, somewhat flattened in
middle, matte, densely finely punctate, with punctures at centre finer and somewhat obliterated.
Scutellum rather large, trapeziform with rounded apex.
Elytra 2.0 times as long as wide, with moderately prominent, oblique humeri,
scarcely roundly widening posteriorly, widest somewhat behind middle, jointly rounded at
apex. Disc moderately convex in cross-section, weakly and rather evenly convex longitudinally
except for shallowly depressed area at end of basal quarter, shortly and rather steeply
sloping at base and gradually sloping in apical half. Striae moderately deep and wide at base
and becoming noticeably finer and shallower apically, with deep, densely arranged punctures.
Intervals in middle of disc 3–4 times as wide as striae, slightly convex or nearly flat,
shining, sparsely finely punctate.
Legs long and slender; femora moderately swollen in apical part, all with well-developed tooth
densely covered with white scales. Fore and middle tibiae weakly incurved in apical third, slightly
widened at apex but with apical outer angle roundly beveled. Hind tibia weakly S-curved, slightly
widening apically, with short, widely rounded apical comb. All tibiae provided with short mucro
pointed perpendicular to tibial axis, the one on hind tibia shortest. Compressed brush of dark
hairs adjacent to pale brown mucro producing appearance of solid structure. Fore and middle
tibiae with one, hind tibia with two spurs. Tarsi long; 1st segment 2.5, 2nd segment 1.5 times as
long as wide, 3rd segment 0.7 times as long, and slightly more than 1.5 times as wide as 2nd; clawsegment
weakly widening apically, by two-thirds of its length protruding beyond lobes of 3rd
segment. Metendosternite slender, with well-developed narrow laminae, slender stem,
small ventral prominence, and approximated tendons.
Ventrites moderately convex. Basal ventrite longest, 1.3 times as long as 2nd ventrite. Third
and 4th ventrites of subequal lengths, half as long as basal ventrite. Fourth ventrite shallowly
depressed in middle, with posterior margin slightly emarginate. Anal ventrite almost as long as
basal one, with median depression limited at sides by carinae and emarginate apex.
Aedeagus heavily sclerotized. Penis moderately curved, 2.6 times as long as apodemes,
weakly constricted near, and shortly produced at apex. Base of spiculum gastrale heavily
sclerotized.
Body chestnut-brown; scape and bases of funicular segments of antennae pale brown, apex
of scape and club dark brown. Dorsal side with moderately dense vestiture of recumbent oblong,
widening apically, truncate pinkish scales, thinned in middle of frons, disc of pronotum,
and leaving oblique bands of bare patches on elytral intervals on convex part behind scutellum,
at, and behind middle of elytra. Intervals of elytra, in addition, with 3 or 4 rows of semi-erect
brown setae; length of setae comprising about half-width of intervals of elytra. Legs with mottled
vestiture of pinkish hair-like and narrow-lanceolate scales and pale brown semi-erect setae
longest on dorsum and sides of tarsal segments. Apical part of femora with wide ill-defined ring
of denser pale narrow scales especially dense on tooth.
Body length 6.15 mm.