Omorgus (Afromorgus) niloticus ( Harold, 1872 )

Kalawate, Aparna S. & Strümpher, Werner P., 2024, Catalogue of species of the subgenus Afromorgus Scholtz, 1986 (Coleoptera: Trogidae: Omorginae) known from the Oriental and Palaearctic Regions, including a description of one new species from the Deccan Plateau in India, Zootaxa 5437 (1), pp. 21-63 : 46-47

Omorgus (Afromorgus) niloticus ( Harold, 1872)

( Figs. 53–57 )

Trox niloticus Harold, 1872: 79 (original description).

Trox niloticus : Arrow 1912: 58 (catalogue); Balthasar 1936: 435 (diagnosis); Paulian 1948: 142 (specimens of south-west Arabia).

Trox niloticus niloticus : Haaf 1954: 345 (description, key).

Trox (Omorgus) niloticus niloticus : Scholtz 1980b: 55 (lectotype designation, redescription, distribution, key, illustration); Scholtz 1982: 12 (catalogue).

Afromorgus niloticus niloticus : Pittino 2006: 26, 79 (new combination, catalogue); Pittino & Bezdĕk 2016: 54 (catalogue).

Omorgus (Afromorgus) niloticus niloticus : Zidek 2013: 14 (checklist); Zidek 2017: 105 (checklist).

Trox erlangeri Kolbe, 1904: 293 (original description). Type locality: “Süd-Gallaland: Maua”. Type depository: Lectotype

(male) at MNHB ( Figs. 58–59 ), one paralectotype at MNHN. Synonymised by Haaf 1954: 345. Trox erlangeri : Arrow 1927: 465 (catalogue). Trox massaicus Kolbe, 1904: 293 (original description). Type locality. “Massailand: Westufer des Manyara-Sees [Maasailand:

West shore of Lake Manyara]”. Type depository: Lectotype (male) and three paralectotypes at MNHB ( Figs. 60–63 ).

Synonymised by Haaf 1954: 345. Trox massaicus : Arrow (1927): 465 (catalogue).

Type depository. Lectotype (female) at MNHN ( Figs. 53–54 ).

Type locality. “ Nubien und Oberägypten [Nubia and Upper Egypt]” .

Distribution. Djibouti, Egypt, Ethiopia, Kenya, Somaliland ( Somalia), Sudan, Tanzania, Uganda ( Scholtz 1980b; Pittino 2006; Král et al. 2023).

Comment. Omorgus (A.) niloticus and O. (A.) moreshwar Kalawate & Strümpher , new species are very similar to each other. The two species can be told apart as elaborated under the diagnosis of Omorgus (A.) moreshwar Kalawate & Strümpher , new species.

Figures

FIGURES 53–54. Omorgus (Afromorgus) niloticus (Harold, 1872), lectotype (MNHN). 53, habitus, dorsal view; 54, labels. Photos by Olivier Montreuil, copyright MNHN.

FIGURES 55–57. Omorgus (Afromorgus) niloticus (Harold, 1872), cleaned specimen (TMSA). 55, habitus, dorsal view; 56 aedeagus, dorsal and lateral views; 57, labels. Photos by Werner P. Strümpher.

FIGURES 58–59. Trox erlangeri Kolbe, 1904 (= junior synonym of Omorgus (Afromorgus) niloticus (Harold, 1872)), lectotype (MNHB). 58, habitus, dorsal view; 59, labels. Photos by Bernd Jaeger, copyright MNHB.

FIGURES 60–63. Trox massaicus Kolbe, 1904 (= junior synonym of Omorgus (Afromorgus) niloticus (Harold, 1872), lectotype (MNHB). 60, habitus, dorsal view; 61, habitus, lateral view; 62, aedeagus, dorsal view; 63, labels. Photos by Bernd Jaeger, copyright MNHB.