Fustis malaysiensis Fibiger

FIBIGER, MICHAEL, 2010, Revision of the Micronoctuidae (Lepidoptera: Noctuoidea) Part 3, Taxonomy of the Tactusinae, Zootaxa 2583 (1), pp. 1-119 : 45-46

publication ID

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

persistent identifier

https://treatment.plazi.org/id/7C67FC6F-2D1F-FF85-FF28-FA03ECF77630

treatment provided by

Felipe

scientific name

Fustis malaysiensis Fibiger
status

sp. nov.

Fustis malaysiensis Fibiger View in CoL , new species

( Plate 5 View PLATE 5 , figure 7; male genit. plate 15, figure 1)

Material examined. Holotype: male, W Malaysia, Trengganu , Pulau Teenggol, 19.viii.1993, leg. G.S. Robinson, genit. prep. 3732 M. Fibiger, coll. BMNH.

Diagnosis. Imago (external). Wingspan: 8 mm.

Medial costal patch: trapezoid.

Forewing ground colour: yellow brown; basal, costal quadrangular patch, and terminal area, including fringes black (apo.).

Crosslines: indistinct, except terminal line indicated by black interneural dots.

Reniform stigma: visible, though indistinct, beige.

Hindwing: grey.

Underside: forewing brownish grey, hindwing grey.

Male genitalia. 7 th sternite: long, triangular, apically fingerlike; subbasally with small triangular processes (apo.).

Tegumen: long, laterally narrow; dorsally broad, narrow platelike.

Vinculum: two-branched; centre one barlike; posterior one branchlike, strongly curved (apo.).

Ampulla: bilobed; slightly asymmetrical; dorsal lobe larger, clublike; lobe in extension to valva curved, tapered towards tip (apo.)

Digitus: small, humplike.

Juxta: much wider than high, laterally pointed.

Anellus plate: asymmetrical, spatulate, medially with heavily sclerotised brushlike structure, streak of brushey hairs longer on left (apo.).

Phallus: coecum triangular, medially coiled upwards, subapically strongly curved.

Female genitalia. Unknown.

Differential diagnosis. F. malaysiensis differs from other Fustis species in:

- small size, similar to that of F. sterlingi ;

- shape of ampulla, especially dorsal clublike arm; and

- long streak of brushlike setae on left side of anellus.

Distribution. F. malaysiensis known only from West Malaysia.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Lepidoptera

Family

Erebidae

Genus

Fustis

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