Axinoscymnus Kamiya, 1963

Peng, Feng, Xie, Xiufeng, Peng, Zhengqiang, Wang, Xingmin & Chen, Xiaoshen, 2022, A taxonomic review of the genus Axinoscymnus Kamiya, with descriptions of three new species (Coleoptera, Coccinellidae), Zootaxa 5154 (4), pp. 431-453 : 434-435

publication ID	https://doi.org/ 10.11646/zootaxa.5154.4.2
publication LSID	lsid:zoobank.org:pub:31D92E4A-65EE-4005-9A0F-042E17EB073C
DOI	https://doi.org/10.5281/zenodo.6670193
persistent identifier	https://treatment.plazi.org/id/B2268798-FFA5-091F-FF43-FB1AFA4AFD83
treatment provided by	Plazi
scientific name	Axinoscymnus Kamiya
status

Treatment

Key to the species of the genus Axinoscymnus Kamiya

1. Elytra yellow or pale yellow ( Figs 2a View FIGURE 2 , 3a View FIGURE 3 )................................................................. 2

- Elytra black or dark brown ( Figs 6a View FIGURE 6 , 9a View FIGURE 9 )................................................................... 4

2. Body oval ( Fig. 4a View FIGURE 4 ); abdominal postcoxal lines reaching 1/2 length of ventrite 1 ( Fig. 4d View FIGURE 4 ); penis guide shorter than 1/2 length of parameres ( Fig. 4f View FIGURE 4 )................................................................................. 3

- Body elongate oval ( Fig. 2a View FIGURE 2 ); abdominal postcoxal lines reaching 3/4 length of ventrite 1 ( Fig. 2h View FIGURE 2 ); penis guide slightly shorter than parameres ( Fig. 2j View FIGURE 2 )................................................... Axinoscymnus cardilobus Ren et Pang

3. Body length less than 1.6 mm; apex of penis broadened, knife-shaped ( Fig. 3e View FIGURE 3 ); parameres short and broad in inner view ( Fig. 3g View FIGURE 3 )................................................................ Axinoscymnus apioides Kuznetsov et Ren

- Body length more than 1.9 mm; penis slender with a pointed apex ( Fig. 4e View FIGURE 4 ); parameres long and narrow in inner view ( Fig. 4g View FIGURE 4 ).......................................................... Axinoscymnus gongxinensis Peng et Chen , sp. n.

4. Elytra light brown to dark brown ( Figs 5a View FIGURE 5 , 6a View FIGURE 6 ).............................................................. 5

- Elytra black ( Figs 9a View FIGURE 9 , 12a View FIGURE 12 ).............................................................................. 8

5. Penis slender with a pointed apex........................................................................ 6

- Penis stout with a blunt apex............................................................................ 7

6. Elytra brown without dark markings. Penis guide widest at base in lateral view, then sharply converging to a pointed tip ( Fig. 5f View FIGURE 5 ).................................................................... Axinoscymnus glotticus Ren et Pang

- Elytra yellowish brown with dark brown markings at humeral and apical parts. Penis guide widest at base in lateral view, then gradually converging to a pointed tip.................................................. Axinoscymnus rai Kamiya

7. Elytra dark brown with narrowly apical margin yellowish brown. Abdominal postcoxal line extending to 3/4 length of ventrite 1.......................................................................... Axinoscymnus fumatus (Sicard)

- Elytra dark brown with basal and apical part yellowish brown. Abdominal postcoxal line extending to 1/2 length of ventrite 1................................................................. Axinoscymnus singaporicus Pang et Gordon

8. Basal margin of elytra yellowish brown ( Fig. 7a View FIGURE 7 ).................................. Axinoscymnus beneficus Kamiya

- Basal margin of elytra entirely black ( Fig. 8a View FIGURE 8 ).............................................................. 9

9. Pronotum blackish brown ( Fig. 9a View FIGURE 9 )...................................................................... 10

- Pronotum yellowish brown ( Fig. 11a View FIGURE 11 ).................................................................... 11

10. Head dark brown. Elytra black with a single elongate oval brown spot on each elytron ( Fig. 8a View FIGURE 8 ). Area enclosed by abdominal postcoxal lines semicircular ( Fig. 8d View FIGURE 8 )................................. Axinoscymnus puttarudriahi Kapur et Munshi

- Head black. Elytra black without oval brown spots ( Fig. 9a View FIGURE 9 ). Area enclosed by abdominal postcoxal lines subtriangular ( Fig. 9d View FIGURE 9 )............................................................ Axinoscymnus hamulatus Peng et Chen , sp. n.

11. Central part of pronotum bearing a black or dark brown longitudinal stripe ( Fig. 10a View FIGURE 10 )..................................................................................................... Axinoscymnus navicularis Ren et Pang

- Central part of pronotum without any maculae ( Fig. 11d View FIGURE 11 ).................................................... 12

12. Penis very stout ( Fig. 11h View FIGURE 11 ), strongly broadened at base, apical 1/2 to proximal swollen with membranous appendage............................................................................ Axinoscymnus macrosiphonatus Hoàng

- Penis slender without membranous appendage ( Fig. 12e View FIGURE 12 ), apical part not swollen.................................. 13

13. Ventrite 1 with coarse punctures at middle ( Fig. 12d View FIGURE 12 ); penis guide swollen at base in lateral view ( Fig. 12f View FIGURE 12 ); penis guide parallel sided from base to 3/4, then gradually tapering to pointed tip in inner view ( Fig. 12g View FIGURE 12 ).... Axinoscymnus nigripennis Kamiya

- Ventrite 1 with fine punctures at middle ( Fig. 13d View FIGURE 13 ); penis guide not swollen at base in lateral view ( Fig. 13f View FIGURE 13 ); penis guide triangular in inner view ( Fig. 13g View FIGURE 13 ).................................... Axinoscymnus pingxiangicus Peng et Chen , sp. n.