Leptogenys diminuta (Smith, 1857)

Subedi, I. P., Budha, P. B. & Yamane, Sk., 2022, Ants of the genus Leptogenys Roger, 1861 (Hymenoptera: Formicidae, Ponerinae) from Nepal, Far Eastern Entomologist 448, pp. 11-20 : 13-14

Leptogenys diminuta (Smith, 1857)

Figs 1, 2

Ponera diminuta Smith, 1857: 69 (worker). Type locality: Sarawak, Borneo, Malaysia.

MATERIAL EXAMINED. Nepal: Gandaki province: Tanahun, Jamune , 27.9875 o N ,

84.18305 o E, h= 530 m, hand collection, 28.XII 2006, 4♀, leg. I.P. Subedi; Nawalpur,

Madhyabindu , Sal forest, 27.6218 o N, 84.05651 o E, h= 198 m, hand collection, 4.X 2020, 1♀ ,

leg. P.B. Budha; Bagmati province: Shivapuri-Nagarjun National Park, Nagarjun forest,

27.74833 o N, 85.27222 o E, h= 1900 m, hand collection and pitfall trap, 3.V 2019, 3♀, leg. I.P.

Subedi & T. R. Adhikari.

habitus, lateral view; 3, 4 – L. laeviceps : 3 – head in full-face view; 4 – habitus, lateral view.

WORKER DIAGNOSIS. Head elongated, narrowed posteriorly, extensively with longitudinal striation that is curved transversely on vertex; with mesosoma in dorsal view,

pronotum rounded and much broader than mesonotum and propodeum, propodeum broadened posteriorly, entire mesosoma dorsally irregularly rugose, with no regular striation; petiole nodiform, not compressed longitudinally; gaster smooth and shining, first segment rounded at base. Body entirely blackish brown, with antennae and legs paler. Our identification is based on the original description of Ponera diminuta in Smith (1857) and keys (Bharti &

Wachkoo, 2013; Arimoto & Yamane, 2018).

0.36, SL 1.67–2.06, PrW 0.85–0.90, PeL 0.61–0.67, PeH 0.64–0.75, WL 2.28–2.68, CI

71.77–73.72, SI 142.86–166.29.

DISTRIBUTION. Nepal, India, Sri Lanka, Myanmar, China, Vietnam, Laos, Thailand,

Singapore, Malaysia, Brunei, Indonesia, Philippines, New Guinea, Solomons, Australia (Eguchi

& Yamane, 2003; Xu & He, 2015; Guenard et al., 2017; Subedi et al., 2020).

Figures

Figs 1–4. Workers of Leptogenys spp. 1, 2 – L. diminuta: 1 – head in full-face view; 2 –