Pollex

Fibiger, Michael, 2007, Revision of the Micronoctuidae (Lepidoptera: Noctuoidea). Part 1, Taxonomy of the Pollexinae, Zootaxa 1567 (1), pp. 1-116 : 43

SUBGENUS BILOBIANA, new subgenus

Type-species Pollex flavimacula Fibiger, new species, described below.

Diagnosis. Generally as described for the genus. Further characters are listed here, apomophic character states are marked by (apo.).

Except for a few species and species-groups, the species in the subgenus Pollex , can usually only be identified by genital characters.

Imago (external).

Wingspan: on average smallest in subfamily.

Forewing: darkest subterminally and terminally (apo.).

Transverse lines: well marked, black (aut).

Fringes: coloured like forewing.

Base of costa: blackish brown to basal line (apo.).

Reniform: large, round or broad ovoid; yellow or whitish grey, outlined by black (apo.).

Male genitalia.

Fultura superior: medially narrow; ventrally fused to dorsal margin of juxta-anellus plate;

dorsal end fused with tegumen via two arms in shape of Y or T (apo.).

Ampulla: subapically broadest; much longer than pollex (apo.).

Pollex : much longer than wide; usually shorter than ampulla (apo.).

Digitus: prominent, often asymmetrical.

Editum: usually positioned dorsally at distal end of sacculus.

Juxta: totally fused with both anellus and fultura superior (apo.).

Phallus: relatively long; straight or bent; natural position of phallus illustrated on plate 18, figure 2.

Vesica: most often with one prominent cornutus; some unarmed.

Female genitalia.

Posterior half of abdominal segments 6–8: heavily sclerotised, totally fused.

8 th abdominal segment: narrow, heavily fused with 7 th segment, ventrally extended up 7 th segment.

Ovipositor: quadrangular.

Anterior apophyses: ¾ length of posterior apophyses.

Antrum: most often short, straight or coiled; slightly to heavily sclerotised.

Corpus bursa: globular to elongated, always with a cross-shaped (+) signum.