Duplex edwardsi Fibiger, 2010

FIBIGER, MICHAEL, 2010, Revision of the Micronoctuidae (Lepidoptera: Noctuoidea) Part 3, Taxonomy of the Tactusinae, Zootaxa 2583 (1), pp. 1-119 : 87-88

publication ID

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

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scientific name

Duplex edwardsi Fibiger

new species

Duplex edwardsi Fibiger , new species

( Plate 10, figure 7; male genit. plate 20, figure 3; female genit. plate 26, figure 1)

Material examined. Holotype. Male, Australia, Northern Territory, 27 km S Nhulunbuy, Mosquito Creak , 12º26’S 136º50’E, 25.viii.2007, leg. M. Horak & E. D. Edwards, coll. ANIC. GoogleMaps

Paratypes. 6 males, 4 females. 5 males, 4 females with same data as holotype, but leg. M. Horak & E. D. Edwards, male and female genit. preps 6088 and 6089, respectively GoogleMaps ; 1 male, Australia, Northern Territory, Kakadue Nat. Park, East Alligator River , 31.iii.2009, leg. A. Kallies. Colls ANIC, A. Kallies, and M. Fibiger .

Diagnosis. Imago (external). Wingspan: 7.5–9 mm.

Labial palps: grey, third segment half length of second, third segment only slightly narrower than second.

Head, thorax, and ground colour forewing, including fringes: blackish grey.

Reniform stigma: bright yellow, ovoid.

Crosslines: all lines present, black; basal line marked at upper half; antemedial line prominent, sharply angled subcostally; subterminal line prominent, curved inwardly below reniform stigma; subterminal line weakly marked, waved; terminal line marked by dense black interneural spots (aut.).

Hindwing: light grey, discal spot absent.

Underside: forewing dark grey; hindwing grey, with indistinct discal spot.

Abdomen: grey, dark grey tuft present on basal segment.

Male genitalia. Tegumen, vinculum: inconspicuous.

Saccus: rounded apically.

Juxta-anellus plate: totally fused; arched semi- globularly; with hole for phallus, prominently displaced to left; at dorsal edge two, long, spinelike, parallel, narrow processes.

Valvae: slightly asymmetrical.

Ampulla: asymmetrical; large; like two plates, medially separated by deep cleft; dorsal left plate: ventrally straight, dorsally ovoid, rounded; dorsal right plate: same but narrower than left; ventral left plate: pick-axelike, with equally long lobes; ventral right plate: lower lobe more acute than upper (apo.).

Digitus: absent.

Phallus: long, narrow, tapered, curved 320º, coiled clockwise (apo.).

Vesica: unarmed.

Female genitalia. Posterior apophyses: twice as long as anterior apophyses.

8 th abdominal segment: short, ringlike; connected by membrane to 7 th segment on dorsal and lateral sides; ventrally strongly fused with 7 th segment extended half way up 7 th segment to ostium.

7 th segment: on dorsal side 4 times wider than 8 th segment.

Antrum: narrow, conelike, 2/3 shorter on ventral side (apo.).

Ductus bursae: membranous, very narrow, twice as long as corpus bursae (apo.).

forewing; in male genitalia, in shape of ampulla and antrum, and length of ductus bursae. It is second smallest known Australian species.

Distribution. D. edwardsi is known from Australia, in northern parts of Northern Territory.


Australian National Insect Collection