Pollex (Bilobiana) philippini, Fibiger, 2007

Fibiger, Michael, 2007, Revision of the Micronoctuidae (Lepidoptera: Noctuoidea). Part 1, Taxonomy of the Pollexinae, Zootaxa 1567 (1), pp. 1-116 : 55-56

Pollex (Bilobiana) philippini Fibiger, new species

( Plate 6 , figure 7; male genit. plate 16, figure 6)

Material examined.

Holotype: male, Philippines, 1958, leg. B. Milliron, genit. prep. 3272 M. Fibiger. Coll. BPBM.

Diagnosis.

Wingspan: 13 mm.

Forewing: blackish brown.

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

Reniform: distinct, whitish grey, outlined by black.

Hindwing: unicolorous brown with an indistinct black discal spot.

Underside: unicolorous brown.

Hindleg: with prominent, black scent brush.

Male genitalia.

Tegumen: narrow.

Vinculum: short, stout.

Saccus: U-shaped, short.

Fultura superior: T-shaped with long narrow arms, fused with upper middle part of tegumen and ventrally with juxta-anellus; where three arms meet, a finger-like, ventrally directed, apically blunt process arises. Valve: shorter than wide.

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

Pollex : relatively long, finger-like, broadest medially; outwards densely setose with long hair-like setae bent inwards.

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

Juxta-anellus plate: huge, round, as wide as high.

Phallus: straight, slightly tapered towards apex, which has a prominent, curved carina spine; coecum short and broad.

Vesica: with a slightly bent, spine-like cornutus.

Differential diagnosis.

P. philippini differs from other species by the relatively long, finger-like pollex, which is broadest medially, and the curved spine at the apex of the phallus.

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.