Tribe Pentarthrini Lacordaire 1866

Mesoxenomorphus Wollaston 1873: 452; type species: Mesoxenomorphus africanus Wollaston 1873, monotypy Mesoxenomorphus; Alonso-Zarazaga & Lyal 1999: 120.

Mesoxenomorphus africanus Wollaston 1873: 605 (type locality: Africam australem) Distribution. South Africa.

Mesoxenomorphus piliferus Voss 1934: 122 (type locality: Ostafrika) Mesoxenomorphus piliferus; Osella 1978a: 561. Distribution. Kenya.

Mesoxenomorphus rugipennis Colonnelli 2014: 332 (type locality: Yemen, Socotra Island, Bizidig, Avicennia marina mangrove, 12°18.6′N, 53°48.2′E, 6 m).

Distribution. Yemen (Socotra Island).