Heptodonta nigrosericea (W. Horn, 1930) Figure 8E

General distribution.

Species endemic to the Philippines, where it has been noted on Mindanao and Panay islands only; in Mindanao it was noted in Davao, North Mindanao, and Soccsksargen regions (Cabras et al. 2016a; Cabras and Wiesner 2016; Görn 2020; Medina et al. 2020c; Medina 2020; Pepito et al. 2020).

Literature data for Northern Mindanao.

Bukidnon province: Impasug-ong (Cabras et al. 2016a: noted as Heptodonta lumawigi Wiesner, 1980); Mt. Kintanglad ( Görn 2020); Kabanglasan [= Cabanglasan] ( Görn 2020); Intavas ( Görn 2020); Silipon ( Görn 2020); Misamis Occidental province: Mt. Malindang Range (Cabras et al. 2016a: noted as H. lumawigi Wiesner, 1980); Misamis Oriental province: Mt. Balatucan-Lumot (Cabras et al. 2016a: noted as H. lumawigi Wiesner, 1980); Gingoog ( Görn 2020).

Material examined.

Bukidnon province: Mt. Kintanglad, 10.2014, 5♂♂ 5♀♀, leg. N. Mohagan (JWC); [no detailed locality], 1977, 1♀, leg. R. Lumawig (JWC); Misamis Oriental province: Gingoog, 8.5N, 125.0E, 04.1984, 7♂♂ 13♀♀ (JWC).

Habitat.

Species noted in shaded areas on river banks.

Remarks.

Heptodonta lumawigi is a junior synonym of this species ( Görn 2020).