Loboschiza namphromensis, Muadsub & Pinkaew, 2021

Muadsub, Sopita & Pinkaew, Nantasak, 2021, Three new species of Loboschiza Diakonoff, 1968 (Lepidoptera: Tortricidae Olethreutinae) with redescriptions of L. mediana (Walker, 1864) and L. martia (Meyrick, 1911), two new records from Thailand, Zootaxa 5047 (1), pp. 68-80 : 74-78

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Loboschiza namphromensis

sp. nov.

Loboschiza namphromensis sp. nov.


( Figs. 4 View FIGURES 1–5 , 9 View FIGURES 6–10 , 13 View FIGURES 12–13 , 16 View FIGURES 14–16 , 19 View FIGURES 17–20 , 25–26 View FIGURES 21–28 )

Type materials. Holotype: ♂; THAILAND. Chaiyaphum Prov., Chulabhorn Dam (Namphrom Dam), 16 o 32ʹ10ʺN, 101 o 39ʹ00ʺE, alt. 750 m; 18–20 Jul 2017; Pinkaew et al. leg.; np10559 (genitalia slide NP3242); KKIC. GoogleMaps

Paratypes: 2♂; THAILAND. Nakhon Nayok Prov., Khao Yai N.P., 14 o 17ʹ13ʺN, 101 o 23ʹ37ʺE, alt. 400 m; 4 Jul 2016; Pinkaew et al. leg.; np8899 (genitalia slide NP3216). Sa Kaeo Prov, Pang Sida N.P., 14 o 07ʹ13ʺN, 102 o 15ʹ30ʺE, alt. 610 m; 25 Apr 2017; Pinkaew et al. leg.; np9977 (♂, genitalia slide NP3701); KKIC GoogleMaps .

Diagnosis. Loboschiza namphromensis sp. nov. is most similar to L. ellipsa . sp. nov. For details, see the Diagnosis for Loboschiza ellipsa sp. nov. above.

Description. Head ( Fig. 9 View FIGURES 6–10 ): Lower frons orange white, upper frons and vertex orange mixed with light orange; labial palpi porrect, first segment light orange, second segment slightly broadened to apex, light orange, slightly darker orange apically, with a brown mark dorsomedially, third segment orange, paler at apex.

Thorax: Pronotal collar orange; tegulae orange red with elongate, light brown patch in basomedial 2/3; mesonotum orange to orange red with a large brown patch medially; metathorax with two distinct patches of dense, shiny black ovate scales posteroventrally ( Fig. 13 View FIGURES 12–13 ); hind tibia short, same length as first tarsal segment, enlarged by tuft of long yellowish white hair pencil on inner side ( Fig. 16 View FIGURES 14–16 ). Forewing subrectangular, wingspan 10.5–11.8 mm in male ( Fig. 4 View FIGURES 1–5 ) (n = 3); costal margin evenly curved, termen rather round; costal strigulae well developed, yellowish orange separated by blackish streaks; wing pattern two-toned, basal 2/3 with light brown ground color, with various welldefined oblique orange bands, outer margin edged with narrow yellowish orange band, apical 1/3 with transverse, irregular sinuous orange red striae on blackish ground, inner side edged with moderately wide, silvery blackish band; fringe scales blackish; underside light greyish brown with yellowish white spots along costa and termen between R 5 and M 1 and between M 1 and M 2. Hindwing brown, slightly paler toward base; underside light greyish brown.

Abdomen: Sternum I+II with two tufts of moderately long spiniform setae anteromedially ( Fig. 19 View FIGURES 17–20 ), membrane between sternum III and IV with two curved, folded, weakly sclerotized lobes connected medially, covered with moderately dense small scales, outermost with coremata bearing dense patch of long setae, sternum VIII with an elongate, subtriangular, moderately sclerotized plate medially. Male genitalia ( Fig. 25 View FIGURES 21–28 ) with tegumen subtriangular, with scale sockets moderately dense laterally; uncus absent; socii moderately large, subtriangular, rounded aically, densely setose; gnathos composed of two narrow bands, sclerotized basally, arising near middle of tegumen; vinculum moderately wide; juxta subtriangular; caulis rather long, anellus surrounding basal 1/5 of phallus; phallus moderately long, slightly tapered to pointed apex, slightly curved medially, with dense cornuti sockets; valva hookshaped, dorsal margin slightly concave; ventrobasal 1/2 of sacculus with large patch of dense setae, more dense medially, ventroapical margin with dense row of long setae; neck wide, concave ventrally; cucullus with dorsal portion dome-shaped, rounded apically, densely setose except apical margin, ventral portion a long, narrow projecting lobe, pointed ventrally, tapered to apex, with a strongly curved spine at apex ( Fig. 26 View FIGURES 21–28 ).

Distribution. Thailand (Chaiyaphum, Nakhon Nayok, Sa Kaeo province)

Etymology. The specific epithet refers to Namphrom Dam, the previous name of Chulabhorn Dam, the type locality.