Philonome euryarga Meyrick, 1915

Sohn, Jae-Cheon, Davis, Donald R. & Lopez-Vaamonde, Carlos, 2015, Revision of the genus Philonome Chambers and its proposed reassignment to the family Tineidae (Lepidoptera, Tineoidea), ZooKeys 494, pp. 69-106 : 83-84

Taxon classification Animalia Lepidoptera Lyonetiidae

Philonome euryarga Meyrick, 1915 Figs 8, 42-46

Philonome euryarga Meyrick, 1915: 250.

Adult

(Fig. 8). Head: Vertex reddish orange on posterior 2/3, pale orange on anterior 1/3; scales on interspace between antennal scapes yellowish white; frons lustrous, yellowish white; occipital area white. Antenna 3/5 as long as forewing; scape pale orange dorsally, pale yellowish gray; flagellomeres pale reddish orange dorsally, yellowish white ventrally. Labial palpus as long as maxillary palpus, lustrous, pale yellowish gray, intermixed with dark brown scales apically. Maxillary palpus lustrous yellowish white.

Thorax: Patagium and tegulae white; mesonotum white in anterior 1/2, reddish brown in posterior 1/2, with a dark brown transverse band medially; mesoscutellum brownish gray. Foreleg lustrous yellowish white, with narrow brownish gray area dorsally. Midleg reddish orange dorsally, lustrous yellowish white ventrally. Hindleg pale orange dorsally, lustrous yellowish gray ventrally. Forewing length 2.7 mm (n=1), reddish brown; costa brown; longitudinal fascia white, spanning entire costal area except costa, lower margin sinuous, accompanied with narrow, dark brown line; dorsal bar white, at basal 1/3 of dorsum, dentiform, accompanied with dark brown bar along upper margin; marginal area dark brown; elongate scales of fringe pale reddish brown, with dark brown tips; hairy scales of fringe pale yellowish gray. Hindwing pale grayish orange; fringe yellowish gray.

Abdomen: Male tergum VIII sclerotized, subtrapezoidal, narrower caudally, emarginated posteriorly, with dense pores on posterior 1/3 and long process posterolaterally; male sternum VIII subrectangular, with short coremata posterolaterally.

Male genitalia (Figs 42-46): Tegumen round posteriorly, nearly parallel laterally, with an oval opening posteromedially; tuba analis as broad as vinculum. Valva divided into two portions; costal portion as long as tegumen, broad at basal 1/3, narrowed to cucullus, with a rectangular projection and a triangular projection at distal 2/5 of dorsal and ventral area respectively; cucullus digitate, with shallow bulge basally; saccular portion 1/2 as long as costal portion, obovate. Anellus extending to basal 5/8 of phallus. Vinculum elongate, subrectangular, as long as costal portion of valva, with T-shaped sclerotization medially; saccus 2/3 as long as vinculum, narrowed to apex. Phallus straight, broadened on basal 1/3.

Female genitalia not examined.

Type.

Holotype: female, “Holo-type” [round label with red borders], "Bartica, Brit[ish] Guiana. Parish. 2.13", " euryarga Meyr." [hand-written], " Philonome euryarga 1/1 Meyr[ick] E. Meyrick det. in Meyrick Coll.", BMNH.

Material examined.

French Guiana: Régina: Nouragues Research Station (Lt: 4.1, Ln: 52): 1♂, 19 January 2010 (C. Lopez-Vaamonde), DNA Barcode LNOUA669-10, ID#: CLV76410, [GSN] USNM 34622, USNM.

Distribution.

Guyana and French Guiana.