Emplastus dubius

Dlussky, G. M., Rasnitsyn, A. P. & Perfilieva, K. S., 2015, The Ants (Hymenoptera: Formicidae) of Bol’shaya Svetlovodnaya (Late Eocene of Sikhote-Alin, Russian Far East), Caucasian Entomological Bulletin 11 (1), pp. 131-152: 135

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Emplastus dubius

sp. n.

Emplastus dubius  sp. n.

( Fig. 8)

Material. Holotype PIN 3429/109, gyne. Biamo.

Description. Gyne. Body length 5.05mm. Posterior margin of head convex. Eyes comparatively small, oval, displaced forward; gena shorter than maximum eye diameter. Mesosoma 1.4times as long as high. Scutum comparatively short, only 1.1 times as long as scutellum. Propodeum straight in side view. Petiole with small scale inclined forward.

Measurements of holotype, mm: AL 1.4; HL 1; ED 0.22; SctL0.54; SctlL0.49.

Comparison. Emplastus britannicus  and E.gurnetensis  are also described after the female sex: they differ from E.dubius  sp. n. in having petiolar scale thicker and higher. Emplastus britannicus  additionally differs in being bigger (body length 6–8.5mm).

Etymology. Dubius  is the Latin for uncertain, doubtful.