Emphania erichsoni, Ahrens & Fabrizi, 2008

Ahrens, Dirk & Fabrizi, Silvia, 2008, A taxonomic revision of the Malagasy genus Emphania Erichson, 1847 (Insecta, Coleoptera, Scarabaeidae, Sericini), Zoosystema 30 (4), pp. 917-927 : 924-926

Emphania erichsoni n. sp.

TYPE MATERIAL. — Holotype: ♂ “ Madagascar A. Mocquervs 99-96.” ( BMNH).

ETYMOLOGY. — The new species is named after W. F. Erichson who established the genus Emphania in 1847.

DESCRIPTION OF HOLOTYPE

Length: 6.9 mm; length of elytra: 4.7 mm; width: 4.5 mm. Body surface brown with greenish shine. Head and antenna as in E. metallica ; clypeal surface flat; eyes, ratio of diameter/interocular width: 0.57; antennomeres 3-5 unfused. Pronotum and scutellum as in E. metallica ; basal marginal line of pronotum lacking. Elytra as in E. metallica , without convex semicircular declivity; intervals with fine and dense punctures that are superficially slightly longitudinally impressed. Metacoxa as in E. metallica , posteriorly produced forming a moderately sharp tooth. Ratio of length of metepisternum/metacoxa:1/2.2. Pygidium as in E. metallica . Legs as in E. metallica . Posterior legs lacking in the holotype.

Aedeagus: Figure 2 J-L.

B C EE

H I

REMARKS

The new species differs from E. metallica in the smaller body size, the lacking posterior elytral declivity, the longitudinally impressed elytral punctures, the unfused antennomeres 3-5, and the shape of male genitalia having the parameres more elongate and weakly curved interiorly, without an apical hook.

Figures

FIG. 2. — A-C, Emphania nitida Moser, 1911 (lectotype); D-F, E. sulcipennis Moser, 1911 (Madagascar Nord, Montagne d’Ambre); G-I, E. semiviridis n. sp. (holotype); J-L, E. erichsoni n. sp. (holotype); M-O, E. subsmaragdina n. sp. (holotype); P-R, E. ranomafanae n. sp. (holotype); A, D, G, J, M, P, aedeagus,left side lateral views;B, E, H, K, N, Q, aedeagus,dorsal views;C, F, I, L, O, R, aedeagus, right side lateral views. Scale bars: 1 mm.