Oiketicoides albomaculatus, Sobczyk & Arnscheid, 2021

Sobczyk, Thomas & Arnscheid, Wilfried R., 2021, Taxonomic revision of the North-African species of the genus Oiketicoides Heylaerts, 1881 (Lepidoptera: Psychidae: Oiketicinae), Zootaxa 4975 (3), pp. 483-508 : 491

Oiketicoides albomaculatus sp. nov.

( Figs 6 , 23 , 41 , 53 )

Type material. Holotype: • ♂, MOROCCO: Souss-Haut Atlas, Prov. Taroudant , Taliouine , 30°32 N, 7°56 W, 07.ix.2011, leg. R. Bläsius ( MWM) .

Paratypes: • 22 ♂ ♂, same data like Holotype; • 6 ♂♂, Anti Atlas, Umg. Tafraoute, 1500 m, 4.x.2018, leg. R. Bläsius; 1 ♂ Hoher Atlas, prov. Taroudant, Tamaloukt, 700 m, 9.x.2016; • 4 ♂♂ Hoher Atlas, Tamaloukt, 02.x.2018; • 1 ♂ Hoher Atlas, Tamaloukt, 12. ix.2018; • 2 ♂♂, Hoher Atlas, Tamaloukt, 14. ix.2018; • 2 ♂♂, Taliouine, 900 m, 16. ix.2018; • 1 larval case, Taliouine, 1200 m, 14.iv.2014; 8 ♂♂, Tamaloukt, 12.ix.2018; 10 ♂♂, Tamaloukt, 2.x.2018, leg. R. Bläsius; 2 ♂ Hoher Atlas, Agadir, vic. Azarag, 300 m, 27.ix.2016 ( CTS, CWA).

Etymology. Albus (lat.): white, macula (lat.) spot, stain. The two whitish scaled areas in the basal and distal part of the dc characterise the new species.

Description. ♂ Small Oiketicoides species , wingspan 17–21 mm, forewing length 7–10 mm, FI 2.25, body length 7–9 mm.

Head. Antennae blackish brown with 29–32 segments, densely scaled. Pecten bipectinate, scales absent, long ciliated ventrally. Longest pecten of eleven times of segment length. Head densely covered with long light greyish brown hair-like scales. Frons laterally distinctly darkish, ventrally with longer dark greyish brown hair-like scales. Eyes medium sized, black-grey, EI: 0.9.

Thorax. Legs long brown hairy. Thorax covered with long light grey hair. Forewings elongated, forewing venation with r3+r4 stalked to a third length, m2+m3 to a quarter length. Hindwing venation m1+m2 stalked to a third, sc and rr fused and connected to dc from the half vein length on a short distance. Wings densely covered with dark brown scales (classes 1–3), usually with 2 dentations, rarely one-pointed or with 3 dentations ( Fig. 23 ). Whitish scales in the basal half and distal margin of the dc. Fringes very narrow, lanceolate, mostly with 2 dentations, scales lighter ventrally, translucent, slightly longer than the dorsal fringes.

Abdomen. Densely covered with dark greyish brown hair-like scales and longer light grey hair-like scales dorsally and ventrally.

Male genitalia (GU 019-2020, Sobczyk). Length 1.5 mm. Tegumen and vinculum elongated elliptically connected, distal end of tegumen sclerotized, pointed, laterally on both sides clearly folded inwards, medially notched, covered with scattered fine setae. Valvae reach the distal end of tegumen, distally covered with fine long setae. Sacculus distally with 4-6 small, sharp projections. Vinculum laterally almost straight, lateral edges somewhat approaching the saccus, lateral bulges there, saccus very short, distally widened and blunt at distal end. Phallus length 1.15 m, elongated tubular, almost straight, widened distally with a prominent hook-shaped projection ( Figs. 41 , 53 ).

Distribution. Only known from the High Atlas in Morocco.

Diagnosis. The species is characterised by the whitish scaled field in the basal area of the dc and its outer margin. Only O. oberthueri and O. lambessa stat. rev. show such extensive but less prominent brightening of the whole dc. Both species fly by day and show a high EI (2.2–2.6) whereas O. albomaculatus sp. nov. fly by night (EI: 0.9).

Figures

FIGURES 1–6. 1. Oiketicoides gracilis (Turati & Krüger, 1936), ♂, Tunisia vic. Gafsa, Sened Gare, Parc Nationale de Bouhed- ma, 11. ix.2009, leg. R. Bläsius (CTS). 2. Oiketicoides nivellei (Oberthür, 1922), holotype ♂, with label holotype (BMNH). 3. Oiketicoides hampsoni (Bethune-Baker, 1894), holotype ♂, with label holotype (BMNH). 4. Oiketicoides algeriensis sp. nov., holotype ♂, Algeria, Prov. El Djelva, Vis. El Djelva, 11.viii.1988, leg. Amar Medaoui (CTS). 5. Oiketicoides oberthueri (Heylaerts, 1883), ♂, Morocco, Mischliffen, 2036 m, 03.-27.vii.1994, leg. Stübinger (CTS). 6. Oiketicoides albomaculatus sp. nov., holotype ♂, Morocco, Souss-Haut Atlas, Prov. Taroudant, Taliouine, 30°32 N, 7° 56 W, 07.ix.2011, leg. R. Bläsius (MWM).

FIGURES 19–30. Forewing scales and fringes of North African Oiketicoides-♂♂. 19. Oiketicoides gracilis. 20. Oiketicoides algeriensis. 21. Oiketicoides nivellei. 22. Oiketicoides oberthueri. 23. Oiketicoides albomaculatus. 24. Oiketicoides maroccensis. 25. Oiketicoides atlanticum. 26. Oiketicoides lefevrei. 27. Oiketicoides chottella. 28. Oiketicoides maghrebensis. 29. Oiketicoides imazigheni. 30. Oiketicoides pseudochottella.

FIGURES 35–44. Valvae of North African Oiketicoides-♂♂ (scale 0.5 mm). 35. Oiketicoides lefevrei. 36. Oiketicoides chottella. 37. Oiketicoides imazigheni. 38. Oiketicoides maghrebensis. 39. Oiketicoides gracilis. 40. Oiketicoides oberthueri. 41. Oiketicoides albomaculatus. 42. Oiketicoides algeriensis. 43. Oiketicoides nivellei. 44. Oiketicoides atlanticum.

FIGURES 51–66. Saccus of North African Oiketicoides-♂♂. 51. Oiketicoides gracilis. 52. Oiketicoides oberthueri. 53. Oiketicoides albomaculatus. 54. Oiketicoides algeriensis. 55. Oiketicoides nivellei. 56. Oiketicoides pseudochottella. 57. Oiketicoides atlanticum. 58. Oiketicoides numidicum. 59. Oiketicoides imazigheni. 60. Oiketicoides maghrebensis. 61. Oiketicoides chottella. 62. Oiketicoides lefevrei. 63. Oiketicoides maroccensis. 64. Oiketicoides hurei. 65. Oiketicoides hampsoni. 66. Oiketicoides lambessa.