Aplosonyx flavipennis Chen, 1964

Feng, Chuan, Yang, Xing-Ke, Liu, Yang & Li, Zhi-Qiang, 2023, Revision of Aplosonyx Chevrolat, 1836 (Coleoptera, Chrysomelidae, Galerucinae) from China, with descriptions of three new species, ZooKeys 1154, pp. 159-222 : 159

Aplosonyx flavipennis Chen, 1964

Figs 2F , 9A-F

Aplosonyx flavipennis Chen, 1964: 203.

Type specimens examined.

Holotype: ♂, China, Yunnan Province, Xishuangbanna, Menghun ; 750 m a. s. l.; 3 Jun. 1958; IZAS; IOZ(E)215625 .

Paratype: ♂, China, Yunnan Province, Xishuangbanna, Menga ; 1050 m a. s. l.; 7 Jun. 1958; Shuyong Wang leg.; IZAS; IOZ(E)215627 . ♀, China, Yunnan Province, Xishuangbanna, Menga ; 1050 m a. s. l.; 7 Jun. 1958; Shuyong Wang leg.; IZAS; IOZ(E)215628 . ♀, China, Yunnan Province, Xishuangbanna, Menga ; 1050 m a. s. l.; 7 Jun. 1958; Shuyong Wang leg.; IZAS; IOZ(E)215629 .

Allotype: ♀, China, Yunnan Province, Xishuangbanna, Mengzhe ; 870 m a. s. l.; 7 Jul. 1958; Shuyong Wang leg.; IZAS; IOZ(E)215626.

Additional specimens examined.

♀, China, Yunnan Province, Xishuangbanna, Menga ; 1050 m a. s. l.; 7 Jun. 1958; Shuyong Wang leg.; IZAS; IOZ(E)1566487 . ♀, China, Yunnan Province, Xishuangbanna, Menga ; 1050 m a. s. l.; 7 Jun. 1958; Shuyong Wang leg.; IZAS; IOZ(E)1566488 . ♀, China, Yunnan Province, Xishuangbanna, Menga ; 1080 m a. s. l.; 7 Jun. 1958; Shuyong Wang leg.; IZAS; IOZ(E)1566489 . ♂, China, Yunnan Province, Xishuangbanna, Menga ; 1080 m a. s. l.; 11 May 1958; Fuji Pu leg.; IZAS; IOZ(E)1566490 . ♂, China, Yunnan Province, Xishuangbanna, Menga ; 1050 m a. s. l.; 7 May 1958; Chunpei Hong leg.; IZAS; IOZ(E)1566491 . ♀, China, Yunnan Province, Xishuangbanna, Menga ; 1050 m a. s. l.; 7 Jun. 1958; Shuyong Wang leg.; IZAS; IOZ(E)1566492 . ♀, China, Yunnan Province, Xishuangbanna, Mengzhe ; 1200 m a. s. l.; 15 Jun. 1958; Fuji Pu leg.; IZAS; IOZ(E)1566493 . ♀, China, Yunnan Province, Xishuangbanna, Mengzhe ; 1200 m a. s. l.; 15 Jun. 1958; Fuji Pu leg.; IZAS; IOZ(E)1566494 . ♀, China, Yunnan Province, Xishuangbanna, Menga ; 1050 m a. s. l.; 19 Jun. 1958; Fuji Pu leg.; IZAS; IOZ(E)1566496 . ♀, China, Yunnan Province, Xishuangbanna, Menga ; 1000 m a. s. l.; 19 Jun. 1958; Fuji Pu leg.; IZAS; IOZ(E)1566497 . ♀, China, Yunnan Province, Xishuangbanna, Menga ; 1050 m a. s. l.; 7 Jun. 1958; Shuyong Wang leg.; IZAS; IOZ(E)1566498 . ♀, China, Yunnan Province, Xishuangbanna, Mengzhe ; 870 m a. s. l.; 30 Jul. 1958; Shuyong Wang leg.; IZAS; IOZ(E)1566499 . ♀, China, Yunnan Province, Xishuangbanna, Menga ; 1050 m a. s. l.; 17 Oct. 1958; Zhizi Chen leg.; IZAS; IOZ(E)1566500 . ♀, China, Yunnan Province, Xishuangbanna, Menghun ; 750 m a. s. l.; 3 Jun. 1958; Zhizi Chen leg.; IZAS; IOZ(E)1566502 . ♀, China, Yunnan Province, Xishuangbanna, Menghun ; 750 m- 950 m a. s. l.; 7 May 1958; Chunpei Hong leg.; IZAS; IOZ(E)1566482 . ♂, China, Yunnan Province, Xishuangbanna, Menghun ; 750 m a. s. l.; 7 May 1958; Chunpei Hong leg.; IZAS; IOZ(E)1566483 .

Diagnosis.

This species can be distinguished from other Chinese species by its black head and pronotum, and the elytra without any spots. This species differs from A. duvivieri in the color of the head, pronotum, scutellum, and ventral surface of thorax being black.

Redescription.

Male. Length 8.8-10.8 mm, width 4.8-6.0 mm.

Head, antennae, pronotum, scutellum, leg, and ventral surface of thorax black, elytra and abdomen yellow.

Vertex finely covered with punctures. Interocular space 2 × as wide as transverse diameter of eye. Interantennal space 1.5 × as wide as transverse diameter of antennal socket. Frontal tubercles transverse, distinctly raised, each separated by a deep furrow; antennae slender, 0.75 × as long as body; antennomeres 1-3 shiny; antennomeres 4-11 covered with pubescence, antennomere 2 shortest, antennomere 3 approximately 1.4 × as long as second; antennomere 4 longest, approximately 1.8 × as long as antennomeres 2 and 3 combined; antennomeres 5-10 gradually shortened, shorter than antennomere 4; antennomere 11 slightly longer than antennomere 10, pointed.

Pronotum approximately 1.8 × as wide as long, lateral border margined, widest at posterior corners; disc with deep transverse furrow, closely covered with large punctures in furrow and sparsely with small punctures in other parts of pronotum, the interstices of punctures equal to diameter of individual punctures in furrow, and smooth, impunctate in middle of furrow.

Scutellum triangular, finely covered with punctures.

Elytra: wider than pronotum, 0.8 × as long as body, 1.7 × as long as wide, epipleura moderately wide at anterior 1/4, posteriorly gradually narrowing towards apex, dorsal surface slightly convex, regularly covered with large and deep punctures, partially arranged in twenty rows in each elytron, the interstices between punctures wider than the diameter of individual punctures, approximately 2 × as wide as diameter of punctures and lightly covered with small punctures in the 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 4, with two subtriangular incisions.

Aedeagus slender, parallel-sided, basally widened, narrowed in middle, apex distinctly pointed, in lateral view base and apex distinctly bent.

Female. Length 9.0-10.2 mm, width 4.8-5.5 mm.

Antennae slightly thinner than in male, antennomere 2 shortest, antennomere 3 1.6 × as long as second; antennomere 4 longest, 2 × as long as antennomeres 2 and 3 combined; apical sternite without incisions.

Distribution. China: Yunnan.

Figures

Figure 2. Aedeagus in dorsal view A A. ancora B A. chalybeus C A. cinctus D A. duvivieri F A. emeishanicus E A. flavipennis. Scale bars: 0.5 mm (A-E).

Figure 9. Aplosonyx flavipennis A-C habitus of holotype, IZAS IOZ (E) 215625 D-F aedeagus A, D dorsal views B, E ventral views C, F lateral views. Scale bars 0.5 mm (D-F); 1 mm (A-C).