Pollex (Bilobiana) abovia, Fibiger, 2007

Fibiger, Michael, 2007, Revision of the Micronoctuidae (Lepidoptera: Noctuoidea). Part 1, Taxonomy of the Pollexinae, Zootaxa 1567 (1), pp. 1-116 : 47-48

Pollex (Bilobiana) abovia Fibiger, new species

( Plate 5 , figure 7; female genit. plate 23, figure 6)

Material examined.

Holotype: female, Indonesia, Sumatra North, 28 km S Pematang Siantar, near Tigadoluk , 1050 m, 02°45’52” N 99°58’20” E, 10.ii.2002, leg. and genit. prep. 4541 M. Fibiger. Coll. MF, to be deposited in ZMUC.

Diagnosis.

Wingspan: 10 mm.

Forewing: light greyish brown.

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

Reniform: distinct; yellow, outlined by black.

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

Underside: unicolorous light brown.

Female genitalia.

8 th abdominal segment: narrow, heavily fused with 7 th segment; ventrally extended up 7 th segment, forming a large U before ostium.

7 th abdominal segment: heavily sclerotised, asymmetrical.

Anterior apophyses: length 1½ of posterior apophyses.

Position of ostium bursae: 3/4 from anterior edge of 7 th segment, slightly displaced to right.

Antrum: short, tapered, heavily sclerotised.

Ductus bursae: membranous, long, twice as long as corpus bursae.

Corpus bursae: globular.

Appendix bursae: arising anteriorly from ductus bursae immediately after antrum.

Differential diagnosis.

P. abovia differs from other Bilobiana species by the large U-shaped ventral extension of the 8 th abdominal segment.

Figures

PLATE 5. Figures 1–8. Pollex subgenus Bilobiana species, adults. 1, 2, P. (B.) laosi, male paratype, Laos, Prov. Wapi, Wapikhamthong, and male holotype, with same data; 3, 4, P. (B.) flavimacula, male holotype, Indonesia, Sumatra W, Rimbo Panti, male paratype, with same data; 5, P.(B.) parunkudai, male holotype, Indonesia, Java, Pekalongan; 6, P.(B.) diehli, male holotype, Indonesia, Sumatra N, Dolok Merangir; 7, P.(B.) abovia, female holotype, Indonesia, Sumatra N, between Pematang Siantar and Tigadoluk; 8, P.(B.) kangeani, male holotype, male holotype, Kangean Isl.