Tactusa minor Fibiger

FIBIGER, MICHAEL, 2010, Revision of the Micronoctuidae (Lepidoptera: Noctuoidea) Part 3, Taxonomy of the Tactusinae, Zootaxa 2583 (1), pp. 1-119: 27-28

publication ID

http://doi.org/ 10.11646/zootaxa.2583.1.1

persistent identifier

http://treatment.plazi.org/id/7C67FC6F-2D29-FFB3-FF28-FFACECD874E6

treatment provided by

Felipe

scientific name

Tactusa minor Fibiger
status

new species

Tactusa minor Fibiger   , new species

( Plate 3, figure 4; female genit. plate 22, figure 7)

Material examined. Holotype: female, Thailand N, Chiang Mai, 750 m, 11.xii.1985, leg. M.G. Allen, BM 1986 – 209, genit. prep. 3192 M. Fibiger, coll. BMNH.  

Diagnosis. Imago (external). Wingspan: 11 mm.

tornus.

Crosslines: only subterminal and terminal lines visible, former line white, jagged, and latter marked by dark brown spots.

Reniform stigma: present but weakly marked by lower edge of triangular costal patch.

Hindwing: dark grey, with indistinct discal spot.

Underside: unicolorous grey.

Abdomen: grey with black crest dorsally on first segment.

Male genitalia. Unknown.

Female genitalia. Ovipositor: quadrangular with rounded corners.

Posterior apophyses: almost twice as long as anterior apophyses.

Anterior apophyses: slightly longer than 8 th abdominal segment.

Ostium: displaced to left.

Antrum: prominent, long, curved, conelike, tapered (apo.).

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

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

Corpus bursae: globular.

Signum: cross shaped.

Differential diagnosis. T. minor   differs from other Micronoctuidae   from SE Asian and Oriental regions in combination of three features: small size, yellow ground colour and, in female genitalia, long, curved conelike antrum.

Distribution. Known from one specimen from N Thailand.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Lepidoptera

Family

Erebidae

Genus

Tactusa