Lapnana ishanya sp. nov.

(Fig. 1., A–J, 2., A–H, 3., A–H)

Description

Male: Coloration predominantly bright yellow with orange apical margin of forewing (Figs. 1A). Face yellow, longer than broad, frontoclypeus with prominent median carina and lateral marginal ridges. Crown convex with irregular pale-yellow spot above anterior margin of compound eye on either side of median carina. Pronotum yellow, rugose punctate. Forewing yellow with apical area fuscous.

Male genitalia: Pygofer length greater than height in lateral view, without microsetae, with prolonged ventral processes, originated medially, slightly exceeding length of lobe, gradually narrowed to pointed apex, without basal fracture on dorsal margin (Figs. 1J). In lateral view, subgenital plate as long as pygofer, with single longitudinal row of macrosetae extending from near base to apex inner submarginally, several long fine setae on outer lateral margin of macrosetae (Figs. 1I). Style slender long, apex of apophysis foot-shaped with uniform width and narrowed abruptly into an acute end (Figs. 1E). Connective with stem longer than arms (Figs. 1H). Aedeagus without dorsal apodeme, preatrium well developed with irregular and unequal process, ventral spine at the base of broad process, aedeagal shaft narrow, long with apical gonopore, with dorsal finger-like process narrowed distally, aedeagal shaft with thin pair of pre-apical and apical processes (Figs. 1F–G).

Female genitalia: First valvulae curved dorsally with sculptured area confined to posterior region, second valvulae with denticular area confined to posterior 0.33, dorsal margin with 28 teeth (Figs. 2I–J).

Measurements (mm): Male 5.9 long, 1.0 wide across eyes, vertex 0.5 long, 1.4 wide across posterolateral angles of pronotum. Female 6.8 long, 1.2 wide across eyes, vertex 0.4 long, 1.4 wide across posterolateral angles of pronotum.

Material examined: INDIA: Holotype: 1 ♁, Arunachal Pradesh: Lapnan (26º59′20′′N 95º28′53′′E, 969m), 07.vii.2018. Paratype: 5 ♁, 4♀ Arunachal Pradesh: Thinsa (26º55′52′′N 95º32′05′′E, 1583m), 10. vii. 2018, Hg trap, Stuti Coll. (NPC – IARI).

Etymology: The species name (Sanskrit: ishanya meaning North-East) refers to the North-East region of India where this species lives.