Aplosonyx chalybeus (Hope, 1831)
publication ID |
https://dx.doi.org/10.3897/zookeys.1154.98336 |
publication LSID |
lsid:zoobank.org:pub:15ACB367-D612-467B-83A4-E0352A2FB5F3 |
persistent identifier |
https://treatment.plazi.org/id/8FB912F5-60E0-51D6-90C3-8C49ABF0AA29 |
treatment provided by |
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scientific name |
Aplosonyx chalybeus (Hope, 1831) |
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Aplosonyx chalybeus (Hope, 1831)
Figs 2B View Figure 2 , 3A-C View Figure 3 , 4A-F View Figure 4
Galleruca chalybea Hope, 1831: 28.
Haplosonyx chalybeus : Duvivier 1892: 440.
Aplosonyx chalibea : Laboissière 1932: 170.
Aplosonyx chalybeus var. Aplosonyx chalybeus Jeanvoinei Laboissière, 1935: 109. Synonymized by Wilcox 1971: 193.
Type specimen examined.
♀ Syntype of Galleruca chalybea : Galleruca chalybea . Hope. 4137; Hardwicke Bequest; Nepal. NHMUK014596221.
Additional specimens examined.
♀, China, Yunnan province, Lushui ; 2150 m a. s. l.; 11 Jun. 1981; Subai Liao leg.; IZAS; IOZ(E)1566252 . ♂, same data as for preceding; IZAS; IOZ(E)1566219 . ♂, same data as for preceding; IZAS; IOZ(E)1566258 . ♂, China, Yunnan province, Lushui ; 1900 m a. s. l.; 8 Jun. 1981; Xuezhong Zhang leg.; IZAS; IOZ(E)1566256 . ♂, same data as for preceding; Shuyong Wang leg.; IZAS; IOZ(E)1566257 . ♀, China, Yunnan province, Ruili ; 1100 m a. s. l.; 11 Jun. 1956; Tianrong Huang leg.; IZAS; IOZ(E)1566234 . ♀, China, Yunnan province, Jinping, Hetouzhai ; 1700 m a. s. l.; 12 May 1956; Keren Huang leg.; IOZ(E)1566235 . ♀, same data as for preceding; 1600 m a. s. l.; 12 May 1956; Keren Huang leg.; IOZ(E)1566239 . ♂, China, Tibet, Motuo ; 850 m a. s. l.; 14 May 1983; Yinheng Han leg.; IZAS; IOZ(E)1566224 . ♂, same data as for preceding; IOZ(E)1566210 . ♀, same data as for preceding; IOZ(E)1566211 . ♂, same data as for preceding; IOZ(E)1566212 . ♂, China, Tibet, Motuo, Beibeng ; 850 m a. s. l.; 17 May 1983; Yinheng Han leg.; IZAS; IOZ(E)1566213 . ♂, same data as for preceding; IOZ(E)1566214 . ♀, same data as for preceding; IOZ(E)1566215 . ♀, China, Tibet, Motuo, Beibeng ; 850 m a. s. l.; 24 May 1983; Yinheng Han leg.; IZAS; IOZ(E)1566216 . ♂, same data as for preceding; IOZ(E)1566217 . ♂, China, Tibet, Motuo , 1150 m a. s. l.; 17 Jun. 1983; Yinheng Han leg.; IZAS; IOZ(E)1566209 . ♂, China, Tibet, Motuo, Xirang ; 700 m a. s. l.; 24 Apr. 1983; Yinheng Han leg.; IZAS; IOZ(E)1566218 .
Diagnosis.
This species can be distinguished from other Chinese species by the yellow antennae with black antennomeres 5-8, the apex of the pronotum with four raised areas, and blue or purplish blue elytra. This species differs from A. sublaevicollis in pronotum being widest at anterior 1/3.
Redescription.
Male. Length 12.2-14.0 mm, width 6.8-7.4 mm.
Head, pronotum, scutellum, and ventral surface of body yellow, antennae yellow with antennomeres 5-8 black, legs black with femur yellow, elytra blue or purplish blue.
Vertex covered with several large punctures; Interocular space 2.6 × as wide as transverse diameter of eye. Interantennal space 1.9 × as wide as transverse diameter of antennal socket. Frontal tubercles transverse, distinctly raised, each separated by a deep furrow; antennae slender, extended to the middle of the elytra, 0.65 × as long as body; antennomeres 1-3 shiny; antennomeres 4-11 covered with pubescence, antennomere 2 shortest, antennomere 3 twice as long as second; antennomere 4 longest, slightly longer than antennomeres 2 and 3 combined; antennomeres 5-10 gradually shortened, shorter than antennomere 4; antennomere 11 slightly longer than antennomere 10, pointed.
Pronotum approximately 1.6 × as wide as long, lateral border margined, widest at anterior 1/3, apex of disc with four raised areas, middle of disc with deep transverse furrow; closely covered with large punctures in furrow and with sparsely small punctures in other parts of pronotum.
Scutellum triangular, finely covered with punctures.
Elytra wider than pronotum, 0.75 × as long as body, 1.9 × as long as wide, with lateral margins straight and subparallel, epipleura basally widened, posteriorly gradually narrowing towards apex, dorsal surface slightly convex, irregularly covered with large punctures, the interstices of punctures wider than diameter of individual punctures, approximately 2 × as wide as diameter of punctures and lightly covered with small punctures in interstices.
Metasternum 2 × as long as mesosternum. Ventral surface of abdomen with five ventrites, ventrite 1 longest, ventrites 2-4 gradually shortened, apical ventrite slightly longer than ventrite 3, with two subtriangular incisions.
Aedeagus slender, parallel-sided, basally widened, apex slightly pointed, in lateral view base and apex slightly bent.
Female. Length 12.0-14.2 mm, width 6.6-7.8 mm.
Antennae slightly thinner than in male, antennomere 2 shortest, antennomere 3 approximately 1.5 × as long as second; antennomere 4 longest, 1.4 × as long as antennomeres 2 and 3 combined; apical sternite without incisions.
Distribution.
China: Yunnan, Xizang; Vietnam; Myanmar; India; Nepal; Sikkim.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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