Pollex (Bilobiana) utarai, Fibiger, 2007

Fibiger, Michael, 2007, Revision of the Micronoctuidae (Lepidoptera: Noctuoidea). Part 1, Taxonomy of the Pollexinae, Zootaxa 1567 (1), pp. 1-116 : 52-53

Pollex (Bilobiana) utarai Fibiger, new species

( Plate 6 , figure 6; male genit. plate 16, figure 5)

Material examined.

Holotype: male, Indonesia, Sulawesi Utara, Manado , 20-21.xi.1985, leg. R. Ent. Soc. Lond., Project Wallace, B.M. 1985-10, genit. prep.3393 M. Fibiger. Coll. BMNH.

Diagnosis.

Wingspan: 11 mm.

Forewing: narrow, reddish brown.

Transverse lines: brown; terminal line marked by black dots between veins.

Reniform: narrow, distinct, whitish grey, outlined by black.

Hindwing: unicolorous brown with an indistinct black discal spot.

Underside: unicolorous brown.

Male genitalia.

Tegumen: narrow.

Vinculum: short, stout.

Saccus: U-shaped, short.

Fultura superior: Y-shaped with long narrow asymmetrical arms; medially fused with tegumen and ventrally with juxta-anellus.

Valve: shorter than wide.

Ampulla: long, club-like, broadest subapically; densely setose with long hair-like setae bent inwards.

Pollex : relatively short, broadest medially, tapered towards tip; densely setose with long hair-like setae bent inwards.

Digitus: moderately long, tapered, bent, directed ventrally, apically pointed.

Juxta-anellus plate: round, slightly higher than wide.

Phallus: short, bent at ductus ejaculatorius and at 3/4, slightly tapered towards apex; coecum short and broad. Vesica: with a large, strongly bent, spine-like cornutus.

Differential diagnosis.

P. utarai differs from the other species by the relatively short pollex, which is broadest medially, and the strongly bent cornutus.

Figures

PLATE 6. Figures 1–8. Pollex subgenus Bilobiana species, adults. 1, P.(B.) lomboki, female holotype, Indonesia, Lombok, Suranadi; 2, P.(B.) silaui, Indonesia, Sumatra N, Huta Padang; 3, P.(B.) balabaci, male holotype, Philippines, Balabac, Dalawan Bay; 4, 5, P. (B.) newguineai, male holotype, Indonesia, Irian Jaya, Birdshead Pininsula E, female paratype, with same data; 6, P. (B.) utarai, male holotype, Indonesia, Sulawesi, Manado; 7, P.(B.) philippini, male holotype, Phillippines; 8, P.(B.) lobifera (Hampson, 1926), male paratype, Philippines, [Luzon], Los Banos.