Nemophora karafutonis ( Matsumura, 1932 )

Sun, Hao, Wang, Shuxia & Li, Houhun, 2022, Review of the degeerella species group of the genus Nemophora Hoffmannsegg 1798 (Lepidoptera: Adelidae) from China, Zootaxa 5219 (4), pp. 301-338 : 315-316

Nemophora karafutonis ( Matsumura, 1932)

( Figs 14 , 37 )

Nemotois karafutonis Matsumura, 1932: 124 . TL: Japan.

Nemophora moriokensis Okano, 1957: 63 .

Nemophora karafutonis: Kozlov, 1997b: 43 .

Material examined. CHINA, Liaoning: 1♂, Heshangmaozi , Benxi County, 23.VI.2010, leg. JY Liu & YP Cai, slide No, SH 20203 .

Diagnosis. Nemophora karafutonis is similar to N. digitivalva sp. nov. in the male genitalia. The differences between them are stated in the diagnosis of the latter species.

Description. Adult ( Fig. 14 ). Male wingspan 15.5 mm.

Head: Vertex black; frons yellow. Eye interocular index 0.51. Proboscis brownish yellow. Labial palpus 1.3 × vertical eye diameter; yellow, with black hairs. Antenna 2.9 × length of forewing; scape purplish brown except yellow on anterior margin; flagellum yellowish brown except dark brown in basal 1/7.

Thorax: Mesonotum brownish yellow; tegula brown except purple distally. Forewing ground color yellow from base to inner fascia, dark brown with purple luster from beyond outer fascia to apex; black rectangular speckle at base of cell; four purplish gray streaks, edged with black scales: first streak from base to middle along costal margin, second streak from base to 3/4 of cell along posterior margin, third streak from near base to 2/5 of wing along 1A+2A, fourth streak from base to near middle along dorsum; four black lines: first line from base to 2/5 of wing along R 1, second line from base to near 3/4 of cell along anterior margin, enlarged apically and forming a triangular spot, with purplish gray scales inside, third line from middle to distal 1/3 of cell, fourth line from base to near 2/5 of wing along CuP; inner and outer fasciae purplish gray, edged with black scales, inner fascia sinuate, outer fascia slightly curved inward, medial fascia yellow, sinuate; four short yellow stripes beyond middle of outer fascia; fringe brown. Hindwing grayish brown, with golden luster; fringe brown. Foreleg yellow ventrally, bluish brown dorsally except tarsus yellow; midleg yellow except tibia bluish brown dorsally; hindleg yellow except tibia brown apically. Epiphysis yellow, with brown scales, at basal 1/3 of tibia, not reaching apex of tibia.

Abdomen: Dark brown.

Male genitalia ( Fig. 37 ). Socius ovoid, length 1.8 × width. Tegumen without median ridge, with a triangular plate from middle to posterior 1/3. Uncus dome-shaped. Valva separated basally, broadly rounded at apex, slightly concave medially on costal margin, obliquely straight on ventral margin; sacculus reaching near apex of ventral margin. Transtilla with a semielliptical anterior emargination; median process broad triangular, reaching middle of tegumen apically. Vinculum 2.6 × length of valva, broadly rounded anteriorly. Phallus slightly longer than vinculum, swollen at base, with a pair of sclerotized belts in distal 1/3 and spines at distal 1/10 ( Fig. 37a ). Juxta 0.69 × length of vinculum; lateral arm 0.23 × length of arrow head.

Distribution. China ( Liaoning), Japan, Russia, South Korea.

Remarks. This species is recorded for the first time in China.

Figures

FIGURES 13‒18.Adults of Nemophora spp. 13, N. japonica, ♂; 14. N. karafutonis, ♂; 15, N. lapikella, ♂; 16, N. latirectangula sp. nov., holotype, ♂; 17, N. parvaprocessa sp. nov., holotype, ♂; 18, N. purpuratifera sp. nov., holotype, ♂. Scales= 5.0 mm.

FIGURES 33‒38. Male genitalia of Nemophora spp. 33, N.chalybeella, slide No. SH20179; 34, N.digitivalva sp. nov., holotype, slide No. SH20019; 35, N. gaoligongshana sp. nov., holotype, slide No. SH20184; 36, N. japonica, slide No. SH20193; 37, N. karafutonis, slide No. SH20203; 38, N. lapikella, slide No. SH20181; 33a − 38a, enlarged distal part of phallus. Scales= 0.2 mm, 33a‒38a= 0.1 mm.