Orbamia octomaculata (Wallengren, 1872)

Tujuba, Tesfu Fekensa, Hausmann, Axel & Sciarretta, Andrea, 2020, Revision of the Orbamia Herbulot, 1966 group of genera with description of two new genera, ten new species, and two new subspecies (Lepidoptera, Geometridae, Ennominae, Cassymini), ZooKeys 929, pp. 53-77 : 53

Orbamia octomaculata (Wallengren, 1872) Figures 1 , 19 , 37 , 55 , 73

Panagra octomaculata : Wallengren (1872): 60 (Holotype ♂ in NHRS, Stockholm; locus typicus: [South Africa]: "Caffraria orientalis interior")

Examined material (ZSM).

25♂♀ from Tanzania, Zambia, Botswana, Mozambique, Malawi, Namibia, South Africa (ZSM G 20929/♀; ZSM G 20921/♂; ZSM G 20930/♂; ZSM G 20931/♂; ZSM G 20943/♂; ZSM G 13646/♂; ZSM G 13645/♀; ZSM G 20947/♀).

Differential features

(COI sequences, photographs of adults and their genitalia see https://dx.doi.org/10.5883/DS-ORBAMIA): Adult: Forewing length: 11.5-13.5 mm. Upperside of wings: Ground colour pale brown with dark suffusion. Underside: Ground colour yellow or orange with much dark suffusion, terminal fascia on hind wing usually complete, on forewing restricted to apex. Male genitalia: Uncus long, triangular, valva strongly (rectangularly) bent, dorsal process with small spinule at tip, cornutus short and stout (1.4-1.7 mm). Female genitalia: Lamella antevaginalis U-shaped, long (0.75 mm), signum sclerotised, transversely flat, transverse ridge curved (0.4-0.5 mm).

Figures

Figures 1 - 18. Specimens of the genera Orbamia, Rabomia, and Morabia, dorsal view. 1 Orbamia octomaculata 2 O. marginata (paratype) 3 O. becki (holotype) 4 O. renimacula 5 O. clarissima (holotype) 6 O. clarior (holotype) 7 O. obliqua (holotype) 8 O. obliqua parva (holotype) 9 O. ocellata 10 O. abiyi (holotype) 11 O. emanai (holotype) 12 O. emanai lenzi (holotype) 13 O. pauperata (holotype) 14 O. balensis (holotype) 15 Rabomia subaurata 16 R. obscurior (holotype) 17 Morabia politzari (holotype) 18 M. brunnea (holotype). Scale bars: 1 cm.

Figures 19 - 27. Specimens of the genus Orbamia, ventral view. 19 Orbamia octomaculata 20 O. marginata 21 O. becki 22 O. renimacula 23 O. clarissima 24 O. clarior 25 O. obliqua 26 O. obliqua parva 27 O. ocellata. Scale bars: 1 cm.

Figures 37 - 45. Male genitalia of the genus Orbamia. 37 Orbamia octomaculata 38 O. marginata 39 O. becki 40 O. renimacula 41 O. clarissima 42 O. clarior 43 O. obliqua 44 O. obliqua parva 45 O. ocellata. Scale bar: 1 mm.

Figures 55 - 63. Aedeagus of male genitalia of the genus Orbamia. 55 Orbamia octomaculata 56 O. marginata 57 O. becki 58 O. renimacula 59 O. clarissima 60 O. clarior 61 O. obliqua 62 O. obliqua parva 63 O. ocellata. Scale bar: 1 mm.

Figures 73 - 84. Female genitalia of the genera Orbamia, Rabomia, and Morabia. 73 Orbamia octomaculata 74 O. becki 75 O. renimacula 76 O. clarissima 77 O. ocellata 78 O. abiyi 79 O. emanai 80 O. emanai lenzi 81 O. pauperata 82 Rabomia subaurata 83 R. obscurior 84 Morabia politzari. Scale bar: 1 mm.