The nesciatella species group

Key to the species of the nesciatella species group, based on the male genitalia

1 Median lobe of juxta fork-shaped apically (Fig. 37)....................................................................................2 - Median lobe of juxta not fork-shaped apically (Fig. 46)..............................................................................5 2 Valva with a digitate median process on ventral margin; cornuti of aedeagus nearly straight (Fig. 38)........

........................................................................................................................................... heliapta Meyrick - Valva without such median process on ventral margin; cornuti of aedeagus horn-shaped or bent (Fig. 37)

......................................................................................................................................................................3 3 Valva with round protrusion on ventral margin medially (Fig. 37) ................................... forficatella Park - Valva without round protrusion on ventral margin medially (Figs. 34, 39)................................................4 4 Longer cornutus shorter than 1/2 of aedeagus (Fig. 34) ............................................................. asiana P a r k

- Longer cornutus longer than 1/2 of aedeagus (Fig. 39)........................................................... moriutii Park 5 Median lobe of juxta long, sword-shaped, sharply pointed apically (Fig. 46) ........................................... 6 - Median lobe of juxta slender, bar-shaped or shorter than 1/2 of tegumen (Fig. 45)....................................7 6 Juxta with almost straight median lobe; cornutus as long as 3/4 of aedeagus (Fig. 46) ... triturata Meyrick - Juxta with bent median lobe dorsally; cornutus as long as 1/4 of aedeagus (Fig. 33) .......... ancylosana Wu 7 Median lobe of juxta slender, bar-shaped, exceeding [omit "the"] 1/2 length of tegumen (Fig. 45)..........8 - Median lobe of juxta short, not exceeding the base of tegumen (Fig. 44).................................................12 8 Valva with a median process on ventral margin (Fig. 46) .......................................................................... 9 - Valva without median process on ventral margin (Figs. 35, 43) ...............................................................11 9 Process on ventral margin of valva digitate; aedeagus with a pair of long bar-shaped cornuti (Fig. 46) ......

................................................................................................................................. tricrosura Wu and Park - Process on ventral margin of valva triangular; aedeagus with a pair of short, spine-like cornuti (Figs. 40,

41)..............................................................................................................................................................10 10 Process on ventral margin of valva close to the margin (Fig. 41) ...................................... notifica Meyrick - Process on ventral margin of valva freely extended outwardly (Fig. 40) .......................... nesiotes sp. nov. 11 Valva rounded apically; length of juxta + median lobe as long as 2/3 of valva; aedeagus with a pair of long

cornuti (Fig. 35) .................................................................................................................... ceylonica Park - Valva more or less acute apically; length of juxta + median lobe as long as valva; aedeagus with conical

short cornuti (Fig. 43) ........................................................................................................ rostrata Meyrick 12 Valva with two small protrusions on ventral margin; median lobe of juxta ankylosed with a broad plate

(Fig. 44) ............................................................................................................................. sejuncta Meyrick - Valva with a large protrusion or slightly protruded on ventral margin; median lobe of juxta not ankylosed with such plate (Figs. 42, 47).....................................................................................................................13 13 Ventral protrusion of valva broadly expanded; median lobe of juxta slender, slightly bent dorsally, with acute apex (Fig. 42) ......................................................................................................... nesciatella Walker - Ventral protrusion of valva slightly protruded; median lobe of juxta clavate, almost straight, with clubbed apex (Fig. 47) ........................................................................................................... trizeugma Wu and Park