Arthroleptis crusculum Angel, 1950

Evening Squeaker

Material: Two males, NGK-Nimba 0019, NGK-Nimba 0130 (Fig. 6A).

Comments: On a rainy day they were found together with a juvenile Nimba Toad ( N. occidentlais) below a stone in montane grassland (07°35.555’N, 008°25.788’W; 1,235 m asl). These males had an oval to slender elongated body and measured 15.5 and 21.0 mm SUL, respectively. Arthroleptis crusculum always possesses a granular to warty dorsal skin. Its habitat differs from other species of the genus which are present on Mounts Nimba. Arthrolpetis nimbaensis, A. langeri, and A. krokosua, and occur in rainforest and/or farmbush (Guibé and Lamotte 1958b; Rödel et al. 2009; Adum et al. 2011; Nopper et al. 2012; Sandberger-Loua et al. 2018a). Arthrolpetis crusculum occurs in high elevation grasslands up to 1,750 m asl during the rainy season and seems to survive the dry season in gallery forests and at the edges of marshes (Guibé and Lamotte 1958b).