Ramiplectrus, Yefremova & Feldstein-Farkash, 2025

Yefremova, Zoya A. & Feldstein-Farkash, Tamar, 2025, Ramiplectrus catiensis, a new genus and a new species with branched male antennae and long metatibial spurs from Vietnam (Hymenoptera: Eulophidae), Israel Journal of Entomology (Oxford, England) 54 (6), pp. 7-19 : 9-10

Genus Ramiplectrus gen. n.

Figs 1–7

LSID: urn:lsid:zoobank.org:act:5F14659B-75D2-4FA6-9199-3AF3B6B4D3C5 .

Type species: Ramiplectrus catiensis sp. n.

Etymology: The genus name is derived from the Latin ramus (pl. rami), in reference to the branches on the male antenna, and - plectrus, a common ending for genera previously placed in Euplectrini .

Diagnosis: Male. Hind legs with two long metatibial spurs. TS1 2.25× as long as TS2 and 2.0× as long as T1. Antenna with four flagellomeres: F1 and F2 each bears a short branch, F3 and F4 unbranched. Mandibles small and without teeth. Pronotum large, 2.5× broader than long. Mid-lobe of mesoscutum with single pair of long setae. Scutellum rugose with two longitudinal grooves. Propodeum smooth with anteromedial cup ( Fig. 5 ).

Female. Unknown.

Distribution: Vietnam.

Figures

Figs 1, 2. Ramiplectrus catiensis sp. n., male holotype, habitus: (1) dorsal view; (2) lateral view.

Figs 3–7. Ramiplectrus catiensis sp. n., male holotype: (3) head and antenna, dorsolateral view; (4) head,frontal andpropleura + prepectus + fore coxae, ventral view; (5) scutellum + propodeum andhind coxae, dorsal view; (6) metatibia with 2 spurs, lateral view; (7) gaster + genitalia, ventral view.