Casinycteris campomaanensis, Hassanin, 2014

Don E. Wilson & Russell A. Mittermeier, 2019, Pteropodidae, Handbook of the Mammals of the World – Volume 9 Bats, Barcelona: Lynx Edicions, pp. 16-162 : 83

37.

Campo-Ma’an Fruit Bat

Casinycteris campomaanensis

French: Casinyctére de Campo-Ma’an / German: Campo-Ma'an-Kurzschnauzenflughund / Spanish: Casinicterio de Campo-Ma

Taxonomy. . Casinycteris campomaanensis Hassanin, 2014 ,

Cameroon, South region, “Village of Nkoélon-Mvini, Campo-Ma’an area, South Region, Cameroon, 02°23.831’N, 10°02.691' E ,, 117 m above sea level.”

Casinycteris campomaanensis is larger than its sister species,; C. argynnis ,; from which it also differs in nDNA and mtDNA sequences. These species split c.1:6 million years ago. Monotypic.

Distribution. SW Cameroon; possibly in Nigeria and Republic of the Congo.

Descriptive notes. Ear 22- 3 mm, hindfoot 15 mm, forearm 73- 2 mm; weight 49 g; no tail. The Campo-Ma’an Fruit Bat has conspicuous face markings consisting of white patch on forehead in between eyes, white posterior eyespots, white band around lips, and white cheeks. Rostrum skin and eyelids are greenish yellow, and nostrils are reddish. Head is dog-like, eyes are large and brown, and ears have anterior basal ear patches. There are no epaulettes on adult males. Dorsum is rusty brown; hairs have dark brown bases, pale middles, and rusty brown tips; and pelage is dense, soft, and woolly. Ventral side is paler, with breast, belly, and throat whitish; pelage of underparts is shorter; and flanks are brown. Claw is present on second digit. Wing membranes are brown, attaching to first toes; finger joints are yellow. Skull is comparatively robust; zygomatic width is relatively wide, and arches are abruptly expanded; braincase is rounded; rostrum is short and broad; bony palate is arched medially, with deep groove along median palatine suture; there are five thick, undivided, anteriorly arched interdental palatal ridges and seven irregular, thin serrated post-dental ridges of which last two are medially divided; and post-dental palate tapers backward, ending with large posterior spine. In occlusal view, P is smaller than incisors; C' is longer than other teeth, slightly curving backward and having indistinct vertical groove on anteromedial surface; obvious diastema is present between C' and P* upper premolars and molars are subcircular, with secondary inner cusp; C, is less developed than C!, with small secondary inner cusps; and lower cheekteeth appear bifurcated, with two distinct cusps on inner and outer surfaces.

Habitat. Atlantic Equatorial coastal forest biome, with low undulating hills and plains, from sea level up to elevations of ¢. 500 m.

Food and Feeding. The Campo-Ma’an Fruit Bat is presumably frugivorous.

Breeding. No information.

Activity patterns. No information.

Movements, Home range and Social organization. No information.

Status and Conservation. Classified as Data Deficient on The IUCN Red List. The Campo-Ma’an Fruit Bat is only known from a very limited number of specimens, and its conservation threats are unknown. The Campo-Ma’an Fruit Bat occurs in Campo Ma’an National Park ( Cameroon).

Bibliography. Hassanin (2014, 2017), Hassanin et al. (2015).

Figures

32. Zenker’s Fruit Bat (Scotonycteris zenkeri), 33. Hayman’s Fruit Bat (Scotonycteris occidentalis), 34. Bergmans’s Fruit Bat (Scotonycteris bergmansi), 35. Short-palated Fruit Bat (Casinycteris argynnas), 36. Pohle’s Fruit Bat (Casinycteris ophiodon), 37. Campo-Ma’an Fruit Bat (Casinycteris campomaanensis), 38. Lesser Dawn Bat (Eonycteris spelaea), 39. Greater Dawn Bat (Eonycteris major), 40. Philippine Dawn Bat (Eonycteris robusta), 41. Geoffroy’s Rousette (Rousettus amplexicaudatus), 42. Bare-backed Rousette (Rousettus spinalatus), 43. Leschenault’s Rousette (Rousettus leschenaultin), 44. Linduan Rousette (Rousettus linduensis), 45. Sulawesi Rousette (Rousettus celebensis), 46. Egyptian Rousette (Rousettus aegyptiacus), 47. Malagasy Rousette (Rousettus madagascariensis), 48. Comoro Rousette (Rousettus obliviosus), 49. Long-haired Fruit Bat (Stenonycteris lanosus)

Distribution. SW Cameroon ; possibly in Nigeria and Republic of the Congo .