Tactusa jeppeseni Fibiger

FIBIGER, MICHAEL, 2010, Revision of the Micronoctuidae (Lepidoptera: Noctuoidea) Part 3, Taxonomy of the Tactusinae, Zootaxa 2583 (1), pp. 1-119: 25-26

publication ID

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

DOI

http://doi.org/10.5281/zenodo.5459406

persistent identifier

http://treatment.plazi.org/id/7C67FC6F-2D2B-FFB1-FF28-FF44EC4074B9

treatment provided by

Felipe

scientific name

Tactusa jeppeseni Fibiger
status

new species

Tactusa jeppeseni Fibiger   , new species

( Plate 3, figure 1; female genit. plate 22, figure 5)

Material examined. Holotype: female, NE India, Assam, Khasis , -. viii.1896, Nat. Coll, coll. BMNH.  

Paratypes: 1 female with same data as holotype, genit. prep. 3762 M. Fibiger, coll. BMNH   .

Taxonomic notes. T. jeppeseni   is a member of the T. nieukerkeni   species-group, all of which have a blackish triangular or quadrangular patch between the antemedial and postmedial lines; the typical Tactusa   features listed under the female genitalia of the species-group and individually for each species.

Diagnosis. Imago (external). Wingspan: 12 mm.

Crosslines: only subterminal and terminal lines indicated; former inwardly outlined by light yellow, latter by black interneural spots.

Reniform stigma: well marked, white, outlined black.

Hindwing: dark grey, with extremely faint discal spot.

Underside: unicolorous grey.

Male genitalia. Unknown.

Female genitalia. Ovipositor: quadrangular with rounded corners.

Posterior apophyses: much longer than anterior apophyses and ovipositor.

Anterior apophyses: much shorter than 8 th abdominal segment.

8 th abdominal segment: long.

Ostium: slightly displaced to left; positioned medially in 8 th segment (apo.)

Antrum: very long, coiled, as long as ductus bursae (apo.).

Ductus bursae: membranous, relatively short; shorter than width of corpus bursae (apo.).

Appendix bursae: arising medially between ostium and corpus bursae.

Corpus bursae: ovoid.

Signum: cross shaped.

Differential diagnosis. T. jeppeseni   differs from other Micronoctuidae   from SE Asian and Oriental regions in long, coiled antrum and short ductus bursae.

Distribution. Known only from NE India, Assam.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Lepidoptera

Family

Erebidae

Genus

Tactusa