Arthroleptis xenochirus Boulenger, 1905

Conradie, Werner, Keates, Chad, Verburgt, Luke, Baptista, Ninda L. & Harvey, James, 2023, Contributions to the herpetofauna of the Angolan Okavango- Cuando-Zambezi river drainages. Part 3: Amphibians, Amphibian & Reptile Conservation (e 325) 17 (1), pp. 19-56 : 24

Arthroleptis xenochirus Boulenger, 1905

Plain Squeaker ( Fig. 2; Map 2)

Material (8 specimens): PEM A12505–7 , river crossing before Samboano Village , -12.30700° 18.62350°, 1,398 m asl ; PEM A12910–1 , Muhango village , -12.16067° 18.55042°, 1,430 m asl ; PEM A14696–7 , Lungwebungu River camp, -12.58439° 18.66748°, 1,297 m asl ; PEM A14777 , Quembo River bridge camp, -13.52746° 19.2806°, 1,241 m asl . Additional material: P2-272 (photograph and tissue sample), wetland near old quarry east of Quemba , -12.16960° 18.22965°, 1,353 m asl . Description: A small species of Arthroleptis ; slender body; pointed snout; small tympanum, not always clearly visible; well-developed inner metatarsal tubercle; no webbing; slightly dilated toe tips. Dorsal color varies from beige to brown, with some red infusion; dark facial mask from snout to eye, continuing to just above arm; white markings on grey colored jawline; all specimens have a darkened hour-glass pattern on the back; ventrum immaculate. Breeding males with dark throats; elongated 3 rd finger, with no spines. Single adult female measured 20.9 mm ( PEM A14777 ); adult males (n = 4) varied from 19.5–23.6 (21.5) mm (largest male: PEM A14697 ). Habitat and natural history notes: All specimens were collected in miombo woodland. Males were heard calling in October / November. Gravid female collected in November , while only juveniles and subadults were collected in February / March. Comments: Known from central and northern Angola ( Marques et al. 2018). The record from lower Quembo River represents the southernmost record for the species, and the first record associated with the Okavango River basin .