Trigonochilus politus Arrow, 1901

Limbourg, Pol, Dekoninck, Wouter & Seidel, Matthias, 2024, Contribution to the knowledge of Afrotropical Rutelinae VII (Coleoptera, Scarabaeidae, Rutelinae), Belgian Journal of Entomology 145, pp. 1-48 : 39-43

Trigonochilus politus Arrow, 1901

Figs 22-24

Trigonochilus politus ARROW, 1901: 394–395 , b (described from Angola, hind leg figured)

Trigonochilus politus MACHATSCHKE, 1965: 106 (catalogued)

Suralcis politus MACHATSCHKE, 1970: 158 (replacement name for Trigonochilus Brenske, 1896 )

Suralcis politus MACHATSCHKE, 1972a: 340 (catalogued)

Suralcis politus KRIKKEN, 1979: 44 , Figs. 15–16 (keyed, lectotype designated, parts of legs figured)

Suralcis politus KRAJCIK, 2007: 122 (catalogued)

Trigonochilus politus MONTREUIL & FROLOV, 2019: 1 (listed)

Chaetadoretus juengeri FREY, 1968: 280 (described from Angola) syn. nov

TYPE MATERIAL EXAMINED.

Lectotype ♂ Trigonochilus politus Arrow, 1901

ANGOLA. [Angola, 76.28] [ Trigonochilus politus Arrow type ♂] [syntype /type] [ T. politus Arrow det. J. Krikken 1974/ju7408-4] ( BMNH).

Paralectotypes of Trigonochilus politus Arrow, 1901

ANGOLA. Paralectotypes 4♀♀ of Trigonochilus politus Arrow, 1901 : [Angola, 76.28] [ Trigonochilus politus Arrow type ♀] [syntype /type] ( BMNH); Syntype ♀: [Angola, 76.28] [syntype] [comp. ♀ type] ( BMNH) .

Paratypes of Chaetadoretus juengeri Frey, 1968

ANGOLA. Paratypes 2♀♀ of Chaetadoretus juengeri Frey, 1968 : [Angola, Calulo, 3.xi.66, E. Jünger /386] [Paratype] [♀] [ Chaetadoretus jüngeri n. sp. det. G. FREY, 1967/68] ( NHMB) .

ADDITIONAL MATERIAL EXAMINED.

ANGOLA. 1♂: Quanza Norte Pr., 20km W N’Dalatando , 337m, 21.XI.2013, P. Schüle leg. ( ZFMK) ; 1♂: same data collection as previous ( RBINS) ; 1♂: Quanza Norte Pr. nr. Dondo , 21.XI.2013, T. Lackner leg. ( BMNH) ; 1♀: Quanza Sul , 10km E. Gabela, 1296m, 23.XI.2013, P. Schüle leg. ( ZFMK) ; 1♀: same data collection as previous ( RBINS) ; 1♀: Bié Pr., S. of Quarenta , 1693m, 17.XI.2013, P. Schüle leg. ( ZFMK)

REMARKS.

After the examination of the female paratypes of Chaetadoretus juengeri Frey, 1968 it is deemed conspecific with Trigonochilus politus Arrow, 1901 . Therefore, Chaetadoretus juengeri becomes a new junior subjective synonym of the latter species.

Figures

Fig. 22. Trigonochilus politus Arrow, 1901 ♂ (RBINS). A-B, habitus. A, dorsal view. B, lateral view. ♀ (RBINS). C-D, habitus. C, dorsal view. D, lateral view. E-F, aedeagus. E, lateral view. F, dorsal view. G, distribution map.

Fig. 23. Trigonochilus politus Arrow, 1901. Lectotype ♂ (BMNH). A-B, habitus. A, dorsal view. B, lateral view. C-D, aedeagus. C, lateral view. D, dorsal view. E, labels (copyright © K. Matsumoto, BMNH).

Fig. 24. Chaetadoretus juengeri Frey, 1968. Paratype ♀ (NHMB). A-B, habitus. A, dorsal view. B, lateral view. C, labels. Paratype ♀ (NHMB). D-E, habitus. D, dorsal view. E, lateral view. F, labels (copyright © I. Zürcher- Pfander & S. Ruffener, NHMB).

Fig. 15. Adoretus (Adoretus) matotokensis sp. nov. Holotype ♂ (RBINS). A-B, habitus. A, dorsal view. B, lateral view. C-D, aedeagus. C, lateral view. D, dorsal view. E. distribution map of Adoretus (Adoretus) matotokensis sp. nov. and Adoretus (Adoretus) vanderberghei Limbourg, 2017.

Fig. 16. Adoretus (Adoretus) vanderberghei Limbourg, 2017. Holotype ♂ (RBINS). A-B, habitus, A, dorsal view. B, lateral view. ♀ (RBINS). C-D, habitus. C, dorsal view. D, lateral view. E-F, aedeagus. E, lateral view. F, dorsal view.