Gnathocera marginata Janson, 1885

(Figs. 22c, d)

Distribution: ANG, CON.

Distribution in Angola (Provinces): 1) LNO.

Historic records:

—Dundo (LNO) [Gomes Alves 1959 and Ferreira 1965 sub Gnathocera (Gnathocerida) marginata ssp.].

Material examined: Angola, 1 ♂, Nº 1907 (blue label), old collection, box nº XIV-83, MZUC; Dundo (7º 22´S, 20º 50´E, 1470 m alt., 51) (LNO), 2.V.1946 , 1 ♂, Nº 655, Junta de Investigações Coloniais, IICT, MUHNAC .

Remarks. The species was described originally from “ Congo District, West Africa” (Janson 1885) nowadays Congo-Brazaville, where it seems common (Allard 1991). The species was recorded by Gomes Alves (1959) under the subgenus Gnathocerida Péringuey, 1907 for LNO in Angola. According to Holm & Marais (1992) “there are several Gnathocerida species” which “apparently differ only in details of colouration, and may turn out to form a subspecies cline [e.g. G. villosa (Janson); G. pubescens (Janson); G. marginata (Janson); G. bourgoini Burgeon; and G. overlaeti Burgeon]”. Biological or ecological data are not available for this species.