A Review Of The Genus Curculio From China With Descriptions Of New Taxa. Part III. The Curculio subfenestratus Voss Group (Curculionidae: Curculioninae: Curculionini)
Author
Pelsue, Frank W.
Author
Zhang, Runzhi
text
The Coleopterists Bulletin
2002
2002-03-31
56
1
1
39
http://dx.doi.org/10.1649/0010-065x(2002)056[0001:arotgc]2.0.co;2
journal article
10.1649/0010-065X(2002)056[0001:AROTGC]2.0.CO;2
1938-4394
10102918
Curculio obrieni
Pelsue and Zhang
,
new species
Figs. 51–52, 103–106
HOLOTYPE
.
China
.
Shaxian
: male[
China
/
Fujian
/Shaxian/
25 August 1979
/
N. Lin
] (
IZAS
).
PARATYPE
(1).
China
. female[
China
/
Fujian
/
Shaxian
/
25 August 1979
/
N. Lin
] (
FWPC
)
.
Description.
Male:
length:
5.6 mm
(n = 1). width:
2.8 mm
(n = 1).
Head:
moderatesized, short in lateral view; punctures small with short, narrow, testaceous scales; frons 0.14 as broad as head across eyes, clothed with narrow, elongate, testaceous scales.
Rostrum:
length: 3.0 mm (n = 1); 0.54 as long as body; subcylindrical, margins subparallel gradually tapering from frons to antennal insertion, narrowing to apex; 5 dorsal carinae from frons to insertion of antennae with slitlike fovea at insertion of scape, punctures deep, oval between carinae; almost straight from frons to antennal insertion, then slightly arced to apex; scrobe ventral; scape inserted in apical half.
Antennae:
length: scape
1.4 mm
, funiculus: segment one
0.35 mm
, two
0.35 mm
, three
0.2 mm
, four
0.18 mm
, five
0.18 mm
, six
0.14 mm
, seven 0.2, club
0.45 mm
, funicle
1.6 mm
(n = 1); scape 0.88 as long as funicle; club small, elongate, acuminate, slightly longer than funicular segments 5–7.
Thorax:
length:
1.1 mm
(n = 1). width:
2.2 mm
(n = 1); 0.77 as long as broad; disc broadly rounded to constriction, slightly convex in lateral view; punctures small, numerous with clavate, testaceous scales; base sinuate; mesosternal intercoxal process prominent, clothed with dirty white scales; scutellum small, longer than broad, clothed with a few testaceous scales; mesepimeron clothed with broad, clavate, testaceous scales; mesepisternum, metepisternum vestiture of shorter, narrower, clavate, testaceous scales.
Elytra:
length:
3.6 mm
(n = 1); striae moderately deep with short, clavate, testaceous scales; scutellar declivity very shallow; humeri prominent, rounded; intervals broad, flat, clothed with elongate, clavate, testaceous scales, few fuscous scales mixed; crosshatched setae short, not prominent, testaceous.
Legs:
length of hind femur
2.5 mm
(n = 1), all femora with teeth smallsized; femora base slender, clava mediumsized; hind femur slightly exceeding apex of abdomen; base fuscopiceous, clava fuscorufous, apex fuscopiceous; tibiae sinuate, derm fuscopiceous, pro, meso and metauncus lacking.
Abdomen:
sternite 2 longer than 1 behind coxal cavity, ascending to 3; sternites 3 and 4 equal in length combined longer than 5; sternite 5 with centroapical declivity, lateral tufts of testaceous setalike scales; all sternites clothed with clavate, testaceous scales.
Pygidium
:
small, triangular, clothed with short, fulvous setalike scales.
Genitalia:
median lobe of aedeagus 1.0 mm (n = 1) in length;
0.2 mm
(n = 1) in width, margins thicker basally, becoming thinner towards apex in dorsal view, thin with short deflection at apex in lateral view; apodeme
1.4 mm
(n = 1) in length (Figs. 103–105)
Female:
length:
5.9 mm
(n = 1). width:
3.3 mm
(n = 1). Rostrum: length:
3.5 mm
(n = 1); 0.59 as long as body, almost straight, scape inserted in basal half.
Frons:
0.19 as broad as head across eyes.
Antennae:
length: scape
1.3 mm
, funiculus: segment one
0.4 mm
, two
0.4 mm
, three
0.25 mm
, four
0.2 mm
, five
0.2 mm
, six
0.175 mm
, seven
0.2 mm
, club
0.45 mm
, funicle
1.8 mm
(n = 1), scape 0.72 as long as funicle.
Thorax:
length:
1.9 mm
(n = 1). width:
2.4 mm
(n = 1); 0.79 as long as broad.
Elytra:
length:
3.6 mm
(n = 1); feeble fascia of fuscous scales on intervals 3–6.
Legs:
length of hind femur
2.6 mm
(n = 1), reaching apex of abdomen.
Pygidium
:
concealed.
Genitalia:
spermatheca: ramus obliquely erect; collum pronounced, broadly rounded; cornu evenly broad to abrupt acute apex (n = 1) (Fig. 106).
Remarks.
Similar to
C. gangkuensis
n. sp.
, but separable by length of scape longer than funicular segments 1–6.
Etymology.
Named in honor of eminent entomologist and friend Professor Charles W. O’Brien.