Peridaedala nigrifasciana, Groenen & Wangdi, 2019

Groenen, Frans & Wangdi, Karma, 2019, The Tortricidae (Lepidoptera) of Bhutan, Zootaxa 4658 (3), pp. 526-540 : 533

Peridaedala nigrifasciana , sp. nov.

Figs. 25 , 68

Holotype. ♀, Bhutan, Wangdue Phodrang, Phobjikha , 27º27´55´´N, 90º10´11´´E, 2890 m, 14.viii.2016, sta. 21, C. Gielis, genitalia slide FG3335 ( NBCS).

Diagnosis. Peridaedala nigrifasciana has a green forewing with an irregular, oblique, black-brown spot. The forewing pattern alone distinguishes it from it all other congeners.

Description. Male unknown. Female. Head ( Fig. 25 ): Green, labial palpus sinuate, length about 2 times diameter of compound eye, black-brown, green in distal half. Thorax: Nota and tegulae green. Forewing length 8 mm; forewing subtriangular, costa slightly curved, apex protruding, dorsum straight; subbasal fascia indicated by a small triangular spot; median fascia an interrupted band consisting of an irregular oblique spot from costa to middle of cell and an oblique dorsal spot with a short inner band along dorsum; a curved apical spot. Fringe green. Hindwings whitish fuscous. Fringe concolorous with wing with a darker subbasal band. Abdomen: Genitalia ( Fig. 68 ) with papillae anales moderate, apophyses posteriores about twice as long as apophyses anteriores; sterigma broad cup-shaped, laterally pointed, fused with and fitting into concavity of sternite 7; sternite 7 rounded-trapezoidal, spinulose; lamella postvaginalis a hairy plate bordered by a slender, sclerotized, sinuate ribbon, protruding in middle, lamella antevaginalis a slender and concave, sclerotized, band; ductus bursae about one-half length of corpus bursae; colliculum short and bifurcate, situated in distal one-half of ductus; corpus bursae ovate, spinulose in centre and distal half, with two short, slender, blade-shaped signa.

Distribution. Bhutan.

Remarks. The forewings of he specimen are damaged.

Etymology. The name nigrifasciana refers to the remarkable black median fascia.

Figures

FIGURES 19‒36. Aduts and male genitalia of Cochylini, Archipini, Bactrini, Olethreutini, Eucosmini. 16. Meridemis bathymorpha, male. 17. Meridemis bathymorpha, female. 18. Borneogena trashiyana, female holotype. 19. Isodemis illiberalis, male. 20. Bactra cophinana, female holotype. 21. Lobesia ambigua, male. 22. Penthostola subnigrantis, male, holotype), 23. Metendothenia ordospina, male. 24. M. brunnofasciana, female holotype. 25. Peridaedala nigrifasciana, female holotype. 26. Gibberifera glaciata, male. 27. Crocidosema plebejana, female. 28. Lepteucosma charassuncus, male. 29. Epiblema charadrias, male. 30 E. charadrias, female. 31. E. albulusana, male holotype. 32. Microsarotis bicincta, female. 33. Eupoecilia jakarana, male genitalia, holotype. 34. Eupoecilia jakarana, phallus. 35. E. gedui, male, holotype. 36. E. gedui, phallus.

FIGURES 56‒70. Female genitalia of Archipini, Bactrini, Olethreutini, Eucosmini, and Grapholitini. 56. Epagoge species. 57. Archips limatus. 58. Archips limatus, corpus bursae. 59. A. dispilana. 60. A. dispilana, corpus bursae. 61. Chirapsina expleta. 62. Lumaria probolias. 63. Meridemis bathymorpha. 64. Meridemis bathymorpha, corpus bursae. 65. Borneogena trashiyana, holotype. 66. Bactra cophinana, holotype. 67. Metendothenia brunofasciana, holotype. 68. Peridaedala nigrifasciana, holotype. 69. Epiblema charadrias. 70. Microsarotis bicincta.