Pollex (Bilobiana) paraspina, Fibiger, 2007

Fibiger, Michael, 2007, Revision of the Micronoctuidae (Lepidoptera: Noctuoidea). Part 1, Taxonomy of the Pollexinae, Zootaxa 1567 (1), pp. 1-116 : 70-71

Pollex (Bilobiana) paraspina Fibiger, new species

( Plate 9 , figure 4; male genit. plate 19, figure 6)

Material examined.

Holotype: male, Indonesia, Sulawesi S, Bantimurung , 1-2.i.1986, leg. A. Schintlmeister, genit. prep. 5754 M. Fibiger. Coll. MF, to be deposited in ZMUC.

Diagnosis.

Wingspan: 10 mm.

Transverse lines: brown, suffused with black scales; terminal line marked by black dots between veins. Reniform: distinct, whitish grey, very small, outlined by black.

Fringes: coloured like subterminal area.

Hindwing: unicolorous grey brown with an indistinct black discal spot.

Underside: unicolorous grey brown.

Male genitalia.

Tegumen: narrow.

Vinculum: short, stout.

Saccus: U-shaped, short.

Fultura superior: U-shaped, broad, with narrow arms, fused with upper middle of tegumen and ventrally with juxta-anellus on dorsal side; medially with a large, basally rounded plate, from which a large, subapically bent, finger-like, ventrally directed and apically blunt process arises.

Valve: shorter than wide.

Ampulla: almost symmetrical; long, curved, relatively narrow; densely setose with long, hair-like, inwardly bent setae; right ampulla slightly narrower than left one.

Pollex : prominently asymmetrical; right side transformed to a huge, upwardly directed, pointed spine; left pollex very short, broadest basally, tapered to a point with subapical area densely setose with long, hair-like, inwardly bent setae.

Digitus: almost symmetrical; long, tapered, curved, directed slightly ventrally, apically pointed.

Juxta-anellus plate: large, higher than wide, hole for phallus positioned dorsally on left side of plate.

Phallus: long, S-shaped, smoothly curved, slightly tapered towards apex; broadest by ductus ejaculatorius; coecum long and apically rounded.

Vesica: with a small cornutus.

Differential diagnosis.

P. paraspina differs from P. falx and P. spina in the male genitalia in the shape and size of the ventral process from fultura superior, the left arm of pollex, and the much longer and S-shaped phallus.

Figures

PLATE 9. Figures 1–8. Pollex subgenus Bilobiana species, adults. 1, P.(B.) falx, male holotype, Indonesia, Sulawesi N, Dumoga Bone National Park; 2, P. (B.) spina, male holotype, Indonesia, Bali S, Sanur; 3, P. (B.) sansdigit, male holotype, Philippines, Mindanao, Mt. Apo; 4, P. (B.) paraspina, male holotype, Indonesia, Sulawesi S, Bantimurung; 5, P. (B.) diabolo, male holotype, Philippines, Palawan, Mt. St Paul; 6, P. (B.) spastica, male holotype, Philippines, Panay, Antiquo; 7, 8, P.(B.) mindanaoi, female holotype, Philippines, Mindanao, Sapamoro and the same, unspread.