Deltoxenos bidentatus Pasteels 1950

Deltoxenos bidentatus Pasteels, 1950 Material examined. • ♀ (NMPC), Central African Republic: Mbaiki 55 km NW, 510 m, 23.xii.2008, host: Afreumenes sp., J. Halada lgt., voucher code: PsAf 1 • ♀ (NMPC), Central African Republic: Mbaiki 150 km NW, 14.vi.2009, host: Afreumenes cf. aethiopicus (Saussure, 1852), J. Halada lgt., voucher code: PsDe 3 • 4 ♀ (KUNHM), Malawi: Mlanje env., 06.iv.1967, host: Afreumenes aethiopicus (Saussure, 1852), Ch. Michener lgt., voucher code: PsAe 1. Diagnosis of female cephalothorax. Size of cephalothorax: length 1.24–1.48 mm, width 1.16–1.48 mm. Cephalothorax triangular, meso- and metathorax not elongated; apical maxillary region projecting beyond mandibular apex (Benda et al. 2022 b: fig. 47 C). Mandibles relatively small compared to head capsule (Benda et al. 2022 b: fig. 49 A). Hosts. Afreumenes melanosoma (Saussure 1852) (Eumenes melanosomus decipiens Kirby), type host; Afreumenes aethiopicus (Saussure, 1852) (Pasteels 1950; Luna de Carvalho 1978); Afreumenes cf. aethiopicus (Saussure, 1852) (Benda et al. 2022 b); Afreumenes sp. (this study). DNA barcode sequences (GenBank). MN 914583.1 (voucher code: PsAf 1), MK 431201.1 (voucher code: PsDe 3) (Benda et al. 2021). Phylogenetic relationships. The earliest diverging species in lineage of Deltoxenos parasitising Eumenini (Vespidae) (Benda et al. 2021). Distribution. Democratic Republic of Congo (type locality); Liberia (Pasteels 1950, Luna de Carvalho 1978); Central African Republic (Benda et al. 2021); Malawi (Benda et al. 2022 b). Comments. Benda et al. (2021) lists Delta tropicale (Saussure, 1852) as the host of this species, but it was identified as Afreumenes sp.