Male genitalia: Uncus with slightly dilated at distal end, setose with a group of setae having club-shaped ends; tuba analis longer than uncus; subscaphium curved and well sclerotized; vinculum moderate, well sclerotized; saccus U-shaped and broad; valva with costa and sacculus very well differentiated, latter with a sclerotized ridge; harpe marked by a small, weakly curved projection; juxta like an inverted Y-shaped structure; aedeagus short and cylindrical, narrow in middle; vesica without any well defined armature but a well sclerotized curved patch at distal end represents cornutus.Female genitalia: Corpus bursae oblong, with a slight constriction in outer wall in middle; ductus bursae moderately long, rounded distally; with a collar-like thickening at distal end; anterior apophyses with triangular expansions near bases; posterior apophyses short and narrow; ovipositor with rounded and well defined lobes, each lobe densely setose with varying sizes of setae.Wing Expanse (Half): Male -13mm; Female -15mm.
DISCUSSIONThe external male genitalic features like uncus, saccus, juxta and female genitalic feature like absence of signum, the shape of ductus bursae and apophyses clearly indicate the congeneric nature of the species ambionalis (Felder and Rogenhofer) with the type species testulalis Geyer. The reporting of present species from Bander-Dewa locality is its first record from Arunachal Pradesh.
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