Himalisundacoris, Yasunaga, 2024

Yasunaga, Tomohide, 2024, New genera and species of the ‘ Lygus-complex’ ranging from the Himalaya-Oriental to the Wallacea region (Insecta: Heteroptera: Miridae: Mirinae), Raffles Bulletin of Zoology 72, pp. 371-423 : 392-395

Key to species of Himalisundacoris , new genus

1. Scutellum pale, with two dark, distinct spots anteriorly ( Figs. 7E, F , 11G–I , 12A ) .................................................................2

– Scutellum uniformly creamy yellow, pale brown or brown, without dark spot or macula ( Figs. 11E , 12E–G )..................3

2. Antennomere II uniformly dark brown; thoracic pleurites widely darkened; Indonesia (S. Sulawesi)........ H. takaii , new species

– Sub-basal part of antennomere II with a pale annulation; thoracic pleurites pale brown; Indonesia (Bali) ..................................... ................................................................ H. theoi , new species

3. Vertex with faint, weak basal transverse carina ( Fig. 22B ); pronotum bicolourous, darkened posteriorly; Nepal (warm temperate zone) ............................... H. duwalae , new species

– Basal carina of vertex obliterated ( Figs. 24D , 25B ); pronotum unicolourously pale .................................................................4

4. General colouration pale milky brown (partly tinged with olive); metafemur obviously longer than labium; Bali ........................ .............................................................. H. omiae , new species

– General colouration pale orange-brown; metafemur as long as or shorter than labium.............................................................5

5. Basal ⅓–½ of antennomere II pale, with darkened extreme base; abdomen uniformly shiny chocolate brown; C. Sulawesi ....... .............................................................. H. palolo , new species

– Basal part of antennomere II dark, with pale annulation; abdomen pale reddish brown; Indonesia (N. Sumatra)............................ ........................................................ H. schwartzi , new species

Figures

Fig. 7. Habitus images and habitats (J, L) of Chelyolygus wolskiorum, new species (A–C), C. parsanus, new species (D), Himalisundacoris duwalae, new species (E, F), Sabactiopus schuhi, new species (G, H) and S. sauteri (K). A, E, G, K, Adult male; B, D, F, H, I, adult female; C, final (5th) instar immature form; J, deciduous-broadleaf mixed forest with Urtica dioica, on which Himalisundacoris duwalae, new species, and Sabactiopus schuhi, new species, coexist (Lalitpur, Nepal); L, Styrax formosanus inflorescences, one of the breeding hosts of Sabactiopus sauteri (Nantou, Taiwan).

Fig. 11. Habitus images of Himalisundacoris species from Sumatra and Sulawesi, Indonesia. A, B, H. palolo, new species, holotype male; C, D, ditto, female; E, F, H. takaii, new species, holotype male; G, H, H. schwartzi, new species, holotype male; I, J, ditto, female.

Fig. 12. Habitus images of Himalisundacoris species from Bali, Indonesia (A–H) and Paralygocoris species (H–L). A, B, H. omiae, new species, holotype male; C, D, ditto, female; E, F, H. theoi, new species, male; G, H, ditto, female; H, I. P. balicus, new species, male; J, ditto, female; K, L, P. meridionalis, female; M, N, P. vittulatus, male; O, ditto, female.

Fig. 22. Scanning electron micrographs of Chelyolygus fuhoshoensis (A–D), C. parsanus, new species (F–I), C. virgulatellus, new species (J–O) and Apolygopsis furvocarinatus (E). A, F, Left paramere; B, G, vesica; C–E, H, I, posterior wall; J, anterior body, dorsal view; K, left lateral habitus; L, M, apex of pygophore, left lateral view; N, metatarsus; O, pretarsal structure of metaleg. Abbreviations: DOS = dorsal structure, IRL = interramal lobe, IRS = interramal sclerite, LLB = lateral lobe.

Fig. 24. Scanning electron micrographs of Euphorbialygus nanglong, new species. A, head and thorax, left lateral view; B, head and anterior pronotum, left lateral view; C, head, dorsal view; D, metathoracic scent efferent system; E, scutellum, clavus and corium, dorsal view; F, pygophore, left lateral view; G, metatarsus; H, pretarsal structure of metaleg; I, vesica; J, left paramere; K, right paramere; L, genital chamber and ovipositor (gonapophysis I); M, genital chamber; N, O, posterior wall.

Fig. 25. Scanning electron micrographs of Euphorbialygus rufobrunneus, new species. A, head and thorax, left lateral view; B, head and anterior pronotum, dorsal view; C, metathoracic scent efferent system; D, anterior body, dorsal view; E, scutellum, clavus and corium, dorsal view; F, metatarsus; H, pretarsal structure of metaleg; H, pygophore, dorsal view; I, left paramere; J, K, vesica; L, genital chamber and ovipositor (gonapophysis I); M, genital chamber; N, O, posterior wall.