Ranatra libera Zettel, 1999

Jehamalar, E. Eyarin & Chandra, Kailash, 2020, A new species of Tenagogonus Stål (Hemiptera: Heteroptera: Gerridae) and first records of eight species of aquatic and semi-aquatic Heteroptera from India, Zootaxa 4718 (1), pp. 95-107 : 96-98

Ranatra libera Zettel, 1999

( Figs. 1 A–B)

1999. Ranatra libera Zettel : Linzer biologische Beiträge, 31 (1), 427.

Material examined. INDIA, MEGHALAYA, East Garo Hills District, 1 ♂, Songsak Gate, Pond , 267 m a.s.l., 25.64872° N, 90.60596° E, 19.vi.2016 . East Jaintia Hills District, 1 ♂, Tuber Village, Moolian Stream , 1295 m a.s.l., 25.41942° N, 92.28514° E, 10.iii.2016 ; 1 ♀, Khleriat, Bandhiati Pond , 1072 m a.s.l., 25.33056° N, 92.36467° E, 10.iii.2016 ; 1 ♂, 1 ♀, Tuber Village, Pond , 1357 m a.s.l., 25.44017° N, 92.2925° E, 10.iii.2016 ; 1 ♂, Umpung Stream , 1010 m a.s.l., 25.30767° N, 92.63658° E, 12.iii.2016 . East Khasi Hills District, 1 ♂, 5 ♀, 967 m a.s.l., 25.63844° N, 91.87325° E, Riat Kwan Reserved Forest, Umiam Lake , 8.iii.2016 . North Garo Hills District, 2 ♂, 1 ♀, Mendisalpara, Pond , 76 m a.s.l., 25.91798° N, 90.65321° E, 24.vi.2016 ; 14 ♂, 6 ♀, Megamahum Vil- lage, Pond , 75 m a.s.l., 25.91949° N, 90.86288° E, 26.vi.2016 ; 2 ♂, 1 ♀, Karkutta, Songital Village , 73 m a.s.l., 25.92441° N, 90.88723° E, 26.vi.2016 . Ri-Bhoi District, 1 ♂, Umsohpanan Village, Pond , 415 m a.s.l., 25.92111° N, 91.5736° E, 22.iii.2018 ; 1 ♂, Umlakro New Jirang Village, Pond , 402 m a.s.l., 25.91168° N, 91.57895° E, 23.iii.2018 ; 1 ♂, 2 ♀, Umtasen Village, Pond , 335 m a.s.l., 25.86243° N, 91.66714° E, 24.iii.2018 ; 2 ♂, 3 ♀, Old Tasku Village, Pond , 273 m a.s.l., 25.94789° N, 91.73824° E, 24.iii.2018 ; 2 ♀, Sohkyrbam Village, Pond , 353 m a.s.l., 25.86899° N, 91.64809° E, 24.iii.2018 . South Garo Hills District, 2 ♂, 2 ♀, Jacksongram Village, Pond , 254 m a.s.l., 25.21004° N, 90.5806° E, 2.iii.2018 . South West Khasi Hills District, 1 ♀, Munaishera Village, Pond , 12 m a.s.l., 25.20354° N, 91.29302° E, 9.iii.2018 . West Garo Hills District, 1 ♀, Dalu, St. Joseph Convent, Pond , 26 m a.s.l., 25.21424° N, 90.21808° E, 10.vi.2016 ; 1 ♀, Gangbanga Village, Pond , 28 m a.s.l., 25.21372° N, 90.22094° E, 10.vi.2016 ; 4 ♀, 3 Nymphs, Adhangri Village, Pond , 36 m a.s.l., 25.23368° N, 90.17239° E, 11.vi.2016 ; 1 ♀, Selsella , 28 m a.s.l., 25.69067° N, 90.02151° E, 14.vi.2016 ; 1 ♂, 1 Nymph, Chibongagre, Sum River , 38 m a.s.l., 25.67749° N, 90.02682° E, 15.vi.2016 ; 1 ♂, 1 Nymph, Dadenggre, Tebongre Stream , 505 m a.s.l., 25.60968° N, 90.23759° E, 17.vi.2016 ; 4 ♂, 7 ♀, Churakathum Village, Pond , 185 m a.s.l., 25.72503° N, 90.19274° E, 17.vi.2016 ; 1 ♀, Bolongkodak Village, Dabong River , 42 m a.s.l., 25.91517° N, 90.23245° E, 18.vi.2016 . West Jaintia Hills District, 1 ♂, Mynkjai Village, Stream , 1281 m a.s.l., 25.40406° N, 92.16669° E, 9.iii.2016 ; 2 ♂, 3 ♀, Thadmuthlong Village, Thwailangwiang Stream , 1324 m a.s.l., 25.4705° N, 92.30992° E, 13.iii.2016 ; 1 ♂, 1 ♀, Laskein Village, Paddy field, 1232 m a.s.l., 25.51083° N, 92.40692° E, 13.iii.2016 ; 1 ♀, Nartiang Village, Umti- song Pond , 1183 m a.s.l., 25.57194° N, 92.21458° E, 14.iii.2016 ; 3 ♂, 3 ♀, Mynsngat Village, Mynchlem Stream , 1161 m a.s.l., 25.59506° N, 92.22064° E, 14.iii.2016 ; 2 ♂, 2 ♀, Wahiajer Village, Umpawai Stream , 1183 m a.s.l., 25.55831° N, 92.18322° E, 14.iii.2016 ; 2 ♂, Khliehtyrchi, Tyrchi falls , 1333 m a.s.l., 25.47192° N, 92.19108° E, 14.iii.2016 ; 1 ♂, 1 ♀, Mukhla Village, Pond , 1365 m a.s.l., 25.49744° N, 92.17175° E, 14.iii.2016 ; 1 ♂, 5 ♀, Jowai, Myntdu River , 1240 m a.s.l., 25.45192° N, 92.19097° E, 14.iii.2016 . All the examined materials were collected by E. Eyarin Jehamalar from freshwater bodies of Meghalaya. Reg. No. 6791/H15–6832/H15 .

Diagnosis. Body length: male 22.00–23.00 (n=10), female 22.50–28.00 (n=10), respiratory siphon length: male 18.80–19.50 (n=10), female 19.80–24.50 (n=10); last abdominal sternum with apical setal tuft; head smoothly convex between eyes, prominent in lateral view; male genital capsule with brown pigmentation; apical hook of male paramere finger-like ( Fig. 1B ).

Distribution. India (Meghalaya, Fig. 4B ), Myanmar ( Zettel 1999, Polhemus & Polhemus 2012), Thailand ( Tran & Nguyen 2016).

Figures

FIGURES 1A–M. A, Ranatra libera, male, dorsal view; B, apical part of the paramere of R. libera, lateral view; C, Hydrometra jaczewskii, male, dorsal view; D, same, abdominal tip, lateral view; E, H. longicapitis, female, lateral view; F, Strongylovelia balteiformis, apterous male, dorsal view; G, S. hainanensis, apterous female, dorsal view; H, same, lateral view; I, Tenagogonus kuiterti, apterous male, dorsal view; J–K. Gerris lobatus, brachypterous male: J, abdominal tip, lateral view; K, habitus, dorsal view; L, Rheumatogonus vietnamensis, apterous male, dorsal view; M, same, apterous female, dorsal view.

FIGURES 4A–C. A, Map of India showing location of state of Meghalaya; B, Distribution in Meghalaya of Ranatra libera in blue squares; Hydrometra jaczewskii in green triangles; H. longicapitis in red square; Gerris lobatus in pink circle; Rheumatogonus vietnamensis in black circle; C, Distribution in Meghalaya of Strongylovelia balteiformis in red circles; S. hainanensis in pink square; Tenagogonus aruli sp. nov. in green squares; T. kuiterti in blue circles.