Niamia angulosa Horváth, 1893

Kment, Petr & Rédei, Dávid, 2018, A revision of the types of Heteroptera species described by Géza Horváth based on specimens from collections of Ladislav Duda and Emil Holub, Acta Entomologica Musei Nationalis Pragae 58 (1), pp. 275-295 : 283-285

Niamia angulosa Horváth, 1893

( Figs 38–40 )

Niamia angulosa Horváth, 1893: 254 (original description).

Niamia angulosa : LETHIERRY & SEVERIN (1893): 261 (catalogue); KIRKAL- DY (1909b): 320 (catalogue).

Plataspis (Niamia) angulosa : HAGLUND (1894): 388–389 (new combination, distribution).

Libyaspis (Niamia) angulosa : SCHOUTEDEN (1909): 16, pl. I: Fig. 7 (variability, new combination).

Niamia angulosa : SCHOUTEDEN (1918): 19 (new combination, distribution); VILLIERS (1952b): 308 (distribution); JESSOP (1983): 35 (habitus drawing), 45–46 (generic diagnosis, distribution).

Type locality. ‘Niam-Niam; communic. Dom. L. DUDA’. The name Niam- Niam (or Nyam-Nyam) was frequently used by foreigners to refer to the Azande in the 18th and early 19th century.The Azande (plural of ‘Zande’ in the Zande language) are an ethnic group of North Central Africa.They live primarily in the northeastern part of the Democratic Republic of the Congo (Orientale Province, specifically along the Uele River; Isiro, Dungu, Kisangani and Dorima), in south-central and southwestern part of South Sudan (Central and Western Equatoria States,Yei, Maridi,Yambio and Tombura), and in southeastern Central African Republic (the districts of Rafaï, Bangasu and Obo) ( ANONYMUS 2017).

Type material examined. SYNTYPE: 1 ♀ ( HNHM), ‘Africa / Niam-Niam) [hw, pink label] // angulosa [Horváth’s hw, underlined in red hw] / det. Horváth [p]’ (pinned through scutellum, intact, wings abducted) ( Figs 38–40 ).

Current status. Valid species; type species of the genus Niamia Horváth, 1893 , by monotypy (cf. HORVÁTH 1893, JESSOP 1983).

Distribution. Cameroon ( HAGLUND 1894); Democratic Republic of the Congo ( SCHOUTEDEN 1918); Guinea ( VILLIERS 1952b); Nigeria (JESSOP 1983, no exact record); Republic of the Congo (JESSOP 1983, no exact record); Uganda (JESSOP 1983, no exact record).

Remarks. This species was described based on an unspecified number of female(s) ( HORVÁTH 1893); a single female syntype is deposited in the HNHM.

Figures

Figs 38–49. Habitus and labels of type specimens. 38–40 – Niamia angulosa Horváth, 1893, ♀, syntype; 41–43 – Cryptacrus princeps Horváth, 1893 [= C. comes comes (Fabricius, 1803)], ♀, syntype; 44–45 – Polytodes ochraceus Horváth, 1893 [= Polytes tigrinus (Vollenhoven, 1868)],?sex, holotype; 46–49 – Dinidor vicarius Horváth, 1893 [= D. impicticollis Stål, 1870], ♀, holotype. Scale bars in mm. (Photo: 38–43, 46–49 – D. Rédei, 44–45 – Ch. Marshall)

Figs 5–22. Habitus and labels of type specimens. 5–7 – Coranopsis vittata Horváth, 1893, ♀, syntype; 8–11 – Cosmolestes fulvus Horváth, 1893, ♀, holotype; 12–15 – Edocla albipennis Horváth, 1893,, holotype; 16–18 – Harpactor dudae Horváth, 1893 [= Rhynocoris dudae],, syntype; 19–22 – Oncocephalus angustatus Horváth, 1893, ♀, syntype. Scale bars in mm. (Photo: D. Rédei).