Tactusa topi Fibiger, 2010

FIBIGER, MICHAEL, 2010, Revision of the Micronoctuidae (Lepidoptera: Noctuoidea) Part 3, Taxonomy of the Tactusinae, Zootaxa 2583 (1), pp. 1-119 : 24-25

publication ID

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

persistent identifier

https://treatment.plazi.org/id/7C67FC6F-2D24-FFB0-FF28-FA1BEB0877E8

treatment provided by

Felipe

scientific name

Tactusa topi Fibiger
status

sp. nov.

Tactusa topi Fibiger View in CoL , new species

( Plate 2 View PLATE 2 , figure 7; male genit. plate 13, figure 3)

Material examined. Holotype: male, China, Guangdong, Canton, Pak-man-shan, 21.vii.-, leg. R. Mell , genit. prep. 3254 M. Fibiger, coll. ZMHB.

Taxonomic notes. T. topi is a member of the T. nieukerkeni species-group, which has a blackish triangular or quadrangular patch between the antemedial and postmedial lines, the typical Tactusa ampulla, and features listed under the species-group and individually for the species below.

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

Forewing: ground colour light yellow, with quadrangular blackish patch in upper medial area; prominently broad black subterminal area.

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

Reniform stigma: marked, white, brown outlined.

Hindwing: dark grey, with discal spot.

Underside: unicolorous grey.

Male genitalia. Tegumen: relatively strongly built.

Vinculum: even more strongly built.

Saccus: short; strongly built, U shaped.

Fultura superior: membranous.

Valva: slightly asymmetrical, left one broader.

Ampulla: forming a cross with axis of valva; slightly asymmetrical; broadest by valva; dorsal arm with long, upturned, tapered, pointed process (apo.).

Digitus: present; strongly asymmetrical; on right side fingerlike, on left humplike (apo.).

Juxta and anellus plate: asymmetrical, fused.

Phallus: strongly tapered from ductus ejaculatorius outwards; strongly upturned and subapically curved.

Vesica: unarmed.

in shape of ampulla with a long, tapered process, and strongly asymmetrical digitus.

Distribution. Single known specimen was taken in China, Prov. Guangdong.

R

Departamento de Geologia, Universidad de Chile

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Lepidoptera

Family

Erebidae

Genus

Tactusa

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