Loboschiza lunata Anan and Pinkaew

Anan, Surachet, Dokchan, Paradorn & Pinkaew, Nantasak, 2016, Loboschiza Diakonoff (Lepidoptera: Tortricidae) from Thailand with descriptions of four new species, Zootaxa 4109 (1), pp. 81-88 : 87-88

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Loboschiza lunata Anan and Pinkaew

n. sp.

Loboschiza lunata Anan and Pinkaew , n. sp.

Figs. 8 View FIGURES 1 – 8 , 13 View FIGURES 9 – 13

Diagnosis. The male genitalia of this species are similar to those of L. martia in the shape of the cucullus, but they have a curved thorn on the apex of the ventral lobe and subtriangular tegumen rather than an irregular pentagon with definite shoulders as in L. martia . Also, whereas the base of the phallus is unmodified in L. martia , it is swollen in L. lunata .

Description. Head: Frons yellowish orange, vertex light orange; labial palpus porrect, first segment light yellow, second segment distally strongly widened, yellowish orange, slightly darker orange distally, with small blackish spots dorsoapically, third segment small, yellowish orange. Antenna short, not reaching middle of forewing, dark brown, dorsally with narrow band of yellowish orange scales.

Thorax: Pronotal collar, tegulae and mesonotum brownish orange; hindlegs unmodified in male. Forewing ( Fig. 8 View FIGURES 1 – 8 ) broad, subtrapezoidal, length 4.9 –5.0 mm in male (n= 2), termen slightly oblique, costal margin with small, blackish striae, bipartite wing pattern with basal 3 / 5 with narrow and wide orange bands on light brown ground, distal portion with blackish ground color with orange partly sinuous marks, separated from rest of wing by a transverse leaden band. Underside greyish brown, with white spots alternating with brown along costa. Hindwing subtriangular, dark brown, paler towards base and termen. Underside greyish brown.

Abdomen: Male genitalia ( Fig. 13 View FIGURES 9 – 13 ) with tegumen subtriangular, moderately sclerotized, lateroapically with dense scale sockets on anterior surface; uncus absent; socii rather small, elongate-ovate flaps, membranous, densely setose; gnathos two lateral arms, moderately sclerotized basally, arising from apical 1 / 3 of tegumen; vinculum moderately sclerotized; juxta moderately large; caulis rather long; phallus short, straight, swollen at base, with dense cornuti, long as half of phallus; valva moderately sclerotized; sacculus with large, projecting elongate lobe, with dense setae; cucullus bilobed, dorsal portion moderately wide, subcrescentic, apex obtuse, densely setose except along dorsal margin, ventral portion narrowly subtriangular, inwardly curved, densely setose, with a curved thorn at apex. Female unknown.

Holotype. ♂, Thailand, Nakhon Si Thammarat Prov., Khao Nan N.P., 08° 47 '00"N, 99 ° 47 ' 46 "E, ca. 125 m, 8 Jun 2008, N. Pinkaew, np 2441, ♂ genitalia slide NP 2584. Deposited in KKIC.

Paratype. 1 ♂, Thailand, Nakhon Si Thammarat Prov., Khao Nan N.P., 08° 47 '00"N, 99 ° 47 ' 46 "E, ca. 125 m, 8 Jun 2008, N. Pinkaew, np 2444, ♂ genitalia slide NP 2585. Deposited in KKIC.

Etymology. The specific epithet lunata refers to the cresent shape of cucullus.

Distribution. Southern Thailand.