Zethus favillaceus W ALKER, 1871
Zethus favillaceus n.sp.: WALKER 1871a: 28 (descr. ♂ ♀, Tadjoura).
Zethus favillaceus WALKER, 1871: DE DALLA TORRE 1894: 11 (world cat.).
Zethus favillaceus WALKER, 1871: VON DALLA TORRE 1904: 17 (world cat. (Djibouti, not Egypt)).
Zethus favillaceus WALKER, 1871: CAMERON 1910: 178 (syn. of Eumenes lucasia (!) DE SAUSSURE, 1852).
Zethus favillaceus WALKER, 1871: INNES Bey 1911: 102 (Tadjoura, cat. Lord Collection).
Zethus favillaceus WALKER, 1871: BEQUAERT 1918: 271 (cat. Afr. reg.).
Zethus favillaceus WALKER, 1871: BEQUAERT 1926: 517 (tax.).
Zethus (Zethus) favillaceus WALKER, 1871: GIORDANI SOIKA 1979: 22 (fig. 3), 24 (key), 43 (tax., descr. ♂ ♀, Obock, Tadjoura), 44 (pl. 4), 46 (figs 31, 32), 47 (figs 35, 36).
Zethus favillaceus WALKER, 1871: CARPENTER, GUSENLEITNER & MADL 2010a: 305 (cat. Afr. reg.).
Zethus favillaceus WALKER, 1871: GUSENLEITNER & MADL 2016: 94-5 (cat. Djibouti).
* Elimus arabicus n.sp.: MEADE- WALDO 1910 a: 40 (descr. ♀, Tadjoura).
Elimus arabicus MEADE- WALDO, 1910: BEQUAERT 1918: 271 (tax., cat. Afr. reg.).
Zethus arabicus (MEADE- WALDO, 1910): BEQUAERT 1928: 151 (tax., descr. ♂ ♀, Tadjoura).
Zethus arabicus (MEADE- WALDO, 1910): GIORDANI SOIKA 1940 c: 131 (figs 4, 11), 132-33 (key), 135 (tax., Tadjoura).
Elimus arabicus MEADE- WALDO, 1910: GIORDANI SOIKA 1979: 43 (syn.).
* Labus Maindroni n.sp.: DU BUYSSON 1906: 107 (descr. ♀, Obock).
Labus maindroni DU BUYSSON, 1906: MEADE- WALDO 1911: 450 (key).
Labus maindroni DU BUYSSON, 1906: BEQUAERT 1918: 274 (cat. Afr. reg.).
Labus maindroni DU BUYSSON, 1906: BEQUAERT 1928: 152 (syn. of Zethus arabicus (type not seen, lost)).
Labus maindroni DU BUYSSON, 1906: GIORDANI SOIKA 1979: 43 (syn.).
Zethus maindroni (DU BUYSSON, 1906): GIORDANI SOIKA 1983b: 153 (tax.).
D i s t r i b u t i o n: Obock, Tadjoura.
Zethus favillaceus is known from the Afrotropical (Burundi, Djibouti, Kenya, South Africa, Somalia, South Africa, Sudan, Tanzania, Zimbabwe) and Palaearctic (Saudi Arabia) regions.