Hoploscopa diffusa (Hampson, 1919)

Leger, Theo, Kehlmaier, Christian, Vairappan, Charles S. & Nuss, Matthias, 2020, Twenty-six new species of Hoploscopa (Lepidoptera, Crambidae) from South-East Asia revealed by morphology and DNA barcoding, ZooKeys 907, pp. 1-99 : 1

Hoploscopa diffusa (Hampson, 1919) Figs 30 , 66

Material examined.

Lectotype: ♂, with labels: "Lecto- | type" [round label, purple ringed]; "Syn- | type" [round label, blue ringed]; "Fergusson I., | X, XI. [18]94 | (A. S. Meek)."; “97-80”; "Pyrocrambia | diffusa. | type ♂. H[a]mpson." [handwritten]; "Pyralidae | Brit[ish].Mus[eum]. | Slide N°. | 1014 ♂"; "Lectotype | Eudorina | diffusa | Hampson | det. Nuß” [handwritten]; " NHMUK 010923338 [barcode appended]". Deposited in NHMUK.

Other specimens examined.

2 ♂. Papua New Guinea: 2 ♂ (1 with NHMUK010923439 & genitalia on slide TL715 ♂, 1 with NHMUK010923440 & genitalia on slide TL716 ♂), same data as holotype (NHMUK).

Diagnosis.

Hoploscopa diffusa displays a brown forewing with postmedian patch, part of postmedian area and subterminal line white coloured, and fringes marked with white dots. In male genitalia, gnathos projection is triangular with rounded tip, valva dorsal margin is conspicuously protruded and juxta is tongue-shaped. Female unknown.

Similar species.

Hoploscopa niveofascia sp. nov. (q.v.).

Description.

Head. Antennae dorsally with brown scales. Proboscis white. Maxillary palpi brown, pale brown at base. Labial palpi brown, ventro-basally white.

Thorax (Fig. 30 ). Collar white. Forewing length: 9 mm; forewing ground colour dark brown; small white dots scattered in basal and median area; postmedian patch white, filled with brown, with white costal blotch; postmedian line marked on costal half; postmedian area medially suffused with white scales; subterminal line white, shifted distally at M1; margin with white and black spots; fringe brown, with white dots; hindwing pale brown. Fore- and midlegs brown; tibia and tarsi segments distally white. Hindlegs similar, of a lighter brown.

Abdomen. Male sternum A8 posterior margin notched, with short, rounded lateral projections.

Male genitalia (N = 3) (Fig. 66 ). Uncus long, narrowed on apical 1/4, apex duck beak-shaped. Gnathos projection triangular, with rounded apex. Valva broad, ventral margin conspicuously bent dorsad on apical 1/4, dorsal margin strongly protruding dorsad, apex pointed. Juxta with base rounded, of constant width, apex rounded. Saccus small, pointing dorsad. No cornutus visible on the slide.

Female genitalia. Not known.

Distribution.

Recorded from Fergusson Island (Papua New Guinea).

Remarks.

Nuss (1998) transferred this species from Eudorina to Hoploscopa and designated the lectotype.

Figures

Figures 19 - 33. Forewing of Hoploscopa species 19 Hoploscopa danaoensis sp. nov., paratype, ♂, Philippines, Leyte, Lake Danao, 650 m, 14 - 17. iv. 1997 (Mey & Speidel) 20 Hoploscopa aurantiacalis Snellen lectotype, ♀, NHMUK 010923286, Indonesia, Java occ., Pengaleng, 4000 ft, 1893 (genitalia on slide Pyralidae Brit. Mus. Slide N ° 20246) 21 Hoploscopa brunnealis Snellen, lectotype, ♀, NHMUK 010923292, Indonesia, Java occ., Pengaleng, 4000 ft, 1893 (genitalia on slide Pyralidae Brit. Mus. Slide N ° 20247) 22 Hoploscopa ocellata Hampson, holotype, ♀, NHMUK 010923358, Indonesia, Moluccas, Batchian, iii. 1892 (W. Doherty) (genitalia on slide Pyralidae Brit. Mus. Slide N ° 20258) 23 Hoploscopa quadripuncta Rotschild, holotype, ♂, NHMUK 010923357, Indonesia, Papua, Utakwa River, 3000 ft, i. 1913 (A. F. R. Wollaston) (genitalia on slide Pyralidae Brit. Mus. Slide N ° 20257) 24 Hoploscopa semifascia Hampson, ♀, NHMUK 010923321, Papua New Guinea, Southern Highlands, Bosavi, 570 m, 6. i. 1986 (D. Agassiz) (genitalia on slide TL 740 ♀) 25 Hoploscopa subvariegata Rothschild, ♂, Morobe Province, near Wau, Mt. Kaindi, 2360 m, 27 - 28. vii. 1983 (S. E. & P. M. Miller) (genitalia on slide TL 642 ♂) 26 Hoploscopa persimilis Rothschild, lectotype, ♂, NHMUK 010923328, Indonesia, Papua, Utawka River, 3000 ft., i. 1913 (A. F. R. Wollaston) (genitalia on slide Pyralidae Brit. Mus. Slide N ° 20255) 27 Hoploscopa astrapias Meyrick, lectotype, ♀, NHMUK 010923383, Fiji, Vunidawa, 2. i. 1932 (genitalia on slide Pyralidae Brit. Mus. Slide N ° 20241) 28 Hoploscopa anamesa Tams, ♀, NHMUK 010923466, Vanuatu, Aneityum Island, Red Crest, 3 m NE of Anelgauhat, 1200 ft, vi. 1955 (E. Cheesman) (genitalia on slide TL 718 ♀) 29 Hoploscopa nauticorum Tams, allotype, ♀, Samoan, Upolu Island, Malololelei, 2000 ft, 21. ii. 1925 (P. A. Buxton & G. H. Hopkins) 30 Hoploscopa diffusa Hampson, lectotype, ♂, NHMUK 010923338, Papua New Guinea, Fergusson Island, x-xi. 1894 (A. S. Meek) (genitalia on slide Pyralidae Brit. Mus. Slide N ° 1014 ♂) 31 Hoploscopa triangulifera Hampson, ♀, NHMUK 010923453, Biagi, Mambare R., 1600 m, iii. 1906 (A. S. Meek) (genitalia on slide TL 712 ♀) 32 Hoploscopa anacantha sp. nov., holotype, ♂, NHMUK 010923444, Indonesia, North Sumatra, Dumoga-Bone N. P., Gunung Mogogonipa, summit, 1008 m, 18 - 20. x. 1985 (genitalia on slide TL 759 ♂) 33 Hoploscopa kelama sp. nov., paratype, ♂, NHMUK 010923342, Indonesia, North Sulawesi, Dumoga-Bone National Park, Clarke Camp, lower montane forest, 1140 m, x. 1985 (Royal Entomological Society of London, Project Wallace) (genitalia on slide TL 759 ♂).

Figures 64 - 69. male genitalia features of Hoploscopa. 64 Hoploscopa subvariegata, TL 534 ♂ 65 Hoploscopa persimilis, lectotype, Pyralidae Brit. Mus. Slide N ° BMNH 20255 ♂ (no juxta drawing) 66 Hoploscopa diffusa, holotype, Pyralidae Brit. Mus. Slide N ° BMNH 1014 ♂ 67 Hoploscopa triangulifera, TL 711 ♂ 68 Hoploscopa astrapias, TL 724 ♂ 69 Hoploscopa anamesa, TL 727 ♂.