Loboschiza bispina Phosrithong and Pinkaew,

Pinkaew, Nantasak & Phosrithong, Netnapa, 2018, Two new species of the genus Loboschiza Diakonoff, 1968 (Lepidoptera: Tortricidae: Olethreutinae) from Thailand, Zootaxa 4433 (3), pp. 595-600: 596-598

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Loboschiza bispina Phosrithong and Pinkaew


Loboschiza bispina Phosrithong and Pinkaew  , n.sp.

( Figs. 1View FIGURES 1–2, 3View FIGURES 3–5, 6, 8View FIGURES 6–9)

Diagnosis. Loboschiza bispina  has a distinctive forewing pattern with basal portion bearing two curved transverse bands on a gray ground color. The male genitalia are very similar to those of L. spiniforma  , but the tegumen lacks spiniform setae in L. bispina  . In L. spiniforma  the cucullus is longer and more concave basoventrally and has a short, pointed spine; in L. bispina  the spine is larger with a bifid apex.

Description. Head: Upper frons pale orange, lower frons yellowish orange, vertex orange; labial palpus porrect ( Fig. 1View FIGURES 1–2), first segment orange-white, second segment strongly expanded distally, yellowish orange, slightly darker orange distally, with small blackish patch dorsomedially, third segment short, yellowish orange. Antenna short, not reaching middle of forewing costa, dark brown, with narrow, longitudinal stripe of yellowish orange scales dorsobasally. Thorax: Pronotal collar orange, tegulae with two longitudinal bands, outer band orange and inner band gray, mesonotum brown surrounding by orange. Forewing ( Fig. 3View FIGURES 3–5) subtriangular, length 6.0–6.5 mm in male (n = 13), termen oblique, costal margin evenly curved with well-developed, small blackish striae; two-toned wing pattern with basal 2/3 gray ground color, with irregular dark orange band along costal margin, extending from wing base to middle of costa and connected to two distinct dark orange, transverse bands, curved outward, extending from costa to dorsum, basal with small, elliptical mark and irregular band extending from wing base, curved downward to dorsum, dark orange, distal portion blackish with small orange sinuous lines. Underside grayish brown, with white spots alternating with ground color along costa. Hindwing brown, slightly paler toward base, underside light brown. Abdomen: Male genitalia ( Fig. 6View FIGURES 6–9) with tegumen rather wide, moderately sclerotized, with prominent subtriangular apodemes for muscle (M4) attachment, laterally with dense scales sockets; uncus absent; socii rather large, with subtriangular lobe projecting upward, densely setose; gnathos with two weakly sclerotized arms arising from apical 1/3 of tegumen; vinculum moderately sclerotized; juxta subtriangular; caulis rather short; phallus slightly sinuate, moderately long, widest at base, slightly narrowing to apex, vesica with dense patch of cornuti; valva simple, long, subcyrindrical; sacculus long, 1/3 length of valva, with dense patch of setae basally; cucullus 2 times length of sacculus, densely setose, ventromedially, with distinct strong spine with bifid apex ( Fig. 8View FIGURES 6–9). Female unknown.

Holotype. ♂, Thailand, Nakhon Ratchasima Prov., Khao Yai N. P., 14°25'55''N, 101°24'05''E, caGoogleMaps  . 700 m, 18– 20 Aug 2017, N. Pinkaew, np 10615, ♂ genitalia slide NP 3491.

Paratypes. 12♂, Thailand, Nakhon Ratchasima Prov., Khao Yai N. P., 14°25'55''N, 101°24'05''E, caGoogleMaps  . 700 m, 10 Mar 2016, N. Pinkaew, np 8622, ♂ genitalia slide NP 3220, 28–30 Jun 2017, N. Pinkaew, np 10537, ♂ genitalia slide NP 3259, np 10538, ♂ genitalia slide NP 3260, np 10539, ♂ genitalia slide NP 3261, 24–25 July 2017, N. Pinkaew, np 10581, ♂ genitalia slide NP 3480, np 10583, ♂ genitalia slide NP 3492, np 10586, ♂ genitalia slide NP 3481, np 10587, ♂ genitalia slide NP 3494, np 10582, np 10584, np 10585, 18–20 Aug 2017, N. Pinkaew, np 10614, ♂ genitalia slide NP 3493.

Etymology. The specific epithet bispina  refers to the bifid spine of the cucullus.

Distribution. Northeast Thailand