Gerris (Gerris) lobatus Andersen & Chen, 1993

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 : 99-100

Gerris (Gerris) lobatus Andersen & Chen, 1993

( Figs. 1 J–K)

1993. Gerris (Gerris) lobatus Andersen & Chen : Entomologica scandinavica, 24, 160.

Material examined. INDIA, MEGHALAYA, West Khasi Hills District, 1 brapt. ♂, Mawlangren Village , Pond, 1747 m a.s.l. , 25.53738° N, 91.49769° E, 18.iii.2018, Coll. E.E. Jehamalar. Reg. No. 7336/H15.

Diagnosis. Body length: brachypterous male 8.68 (n=1), body width at mesoacetabulum: 2.34 (n=1); anterior pronotal lobe with a thin yellow median longitudinal stripe, laterally without yellow stripe; fore femur dorsally with black longitudinal stripe ( Fig. 1K ), ventrally yellow; mid coxa yellow; metasternal scent orifice area tuberculated; sternum VII of male posteriorly obliquely depressed and prominent in lateral view; sternum VIII of male posteriorly transversely sinuate before apex, sublaterally depressed forming a median longitudinal keel which is prominent in lateral view; connexival process small ( Fig. 1J ).

Distribution. India (Meghalaya, Fig. 4B ), China (Yunnan and Tibet) and Russia ( Andersen & Chen 1993, Kanyukova 2001).

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.