Seven new species of the genus Chrysolina Motschulsky from China (Coleoptera: Chrysomelidae: Chrysomelinae)
Author
Ge, Si-Qin
Author
Daccordi, Mauro
Author
Li, Wen-Zhu
Author
Yang, Xing-Ke
text
Zootaxa
2011
2736
31
43
journal article
10.5281/zenodo.200885
29124bf9-c38f-4701-8bff-424503115278
1175-5326
200885
Chrysolina shuyongi
Ge
et
Daccordi
,
sp. nov.
(
Figs. 6
A–E)
Diagnosis.
Metallic bronze; hind wing absent; pronotum without callus; inner edge of epipleura with 2 bristles; pygidium without longitudinal depression medially.
Descriptions
(based on
holotype
):
Colour
: Metallic bronze, compound eyes dark, two basal segments of antennae, last segment of maxillary palpi, claws reddish brown.
Body length:
4.96 mm
; body width:
2.56 mm
; body elongate-ovoid, small (
Fig. 6
A); hind wing absent.
Head
: Clypeus with sparse pubescence, with sparse and small punctures; frons smooth, with sparse and small punctures; coronal suture and frontal suture present; vertex with sparse and dense punctures; compound eyes oblong, dorso-ventral eye length:
0.24 mm
, interocular distance:
0.88 mm
; distance from antennal insertion to eye
0.16 mm
; distance from antennal insertion to clypeus
0.09 mm
; mandible with two denticles, outer surface with sparse pubescence, small and sparse punctures; third segment of maxillary palpi shorter than fourth, apex of fourth segment truncate; antennae with basal segments narrow, widening from segments 6 to 11, antennal segment (1–11) lengths (in millimeter): 0.32: 0.16: 0.24: 0.16: 0.16: 0.16: 0.16: 0.16: 0.16: 0.20: 0.32 (
Fig. 6
B).
Pronotum
: Length:
1.28 mm
; width:
2.40 mm
; central disc with small and sparse punctures, as same as those of head; without callus; punctures lateral to disc and basal part with moderate and dense punctures.
Scutellum
: Sub-triangular, with sparse punctures.
Elytra
: suture length:
3.76 mm
; width of elytra:
3.28 mm
. Elytron with punctures forming 4 regular double striae, sutural stria present, punctures as strong as those of side of pronotum; interspaces of elytral striae with small and sparse punctures, with horizontal wrinkles; inner edge of epipleura with 2 bristles.
Legs
: Femora and tibiae with sparse and small punctures, sparse pubescence; tarsomere 1 of male protarsus enlarged; hind tarsi entirely pubescent beneath, relative lengths of hind tarsomeres: 5>1>3>2, tarsomere 5 not ventrally toothed (
Fig. 6
E).
Venter
: Hypomera without punctures; middle part of intercoxal prosternal process more than half width of apex; prosternum with sparse and small punctures, truncate behind, not emarginate behind; mesoventrite shorter than prosternum between coxae; metaventrite shorter than prosternum, with dense and moderate punctures; mesepisternum, mesepimeron and metepisternum without punctures; abdomen with moderate and dense punctures; pygidium with arcuate apex, without longitudinal depression medially.
Median lobe of aedeagus
(
Figs. 6
C–D): Basal part narrower than apex, curved in lateral view, flagellum slen- der.
Female
: Unknown.
Remarks.
Members of this new species are quite different from any other species of
Chrysolina
in the morphology of the aedeagus.
Type
material.
Holotype
:
male,
China
: Yunnan: Weixi, Lidiping,
3100 m
,
14 August 1984
, leg. Shu-Yong Wang (
IZAS
).