Philippinithosia reducta, Volynkin & Černý, 2023

Volynkin, Anton V. & Černý, Karel, 2023, On the taxonomy of “ Tigrioides ” leucanioides (Walker) with descriptions of two new genera and ten new species from the Oriental realm (Lepidoptera: Erebidae: Arctiinae: Lithosiini), Zootaxa 5352 (2), pp. 151-176 : 160-161

publication ID

https://doi.org/ 10.11646/zootaxa.5352.2.1

publication LSID

lsid:zoobank.org:pub:1FCBB820-6683-44D0-A98D-8ADA327BEA43

DOI

https://doi.org/10.5281/zenodo.8427678

persistent identifier

https://treatment.plazi.org/id/065083E8-C4EB-4D30-A9F6-8BC929BDFE1A

taxon LSID

lsid:zoobank.org:act:065083E8-C4EB-4D30-A9F6-8BC929BDFE1A

treatment provided by

Plazi

scientific name

Philippinithosia reducta
status

sp. nov.

Philippinithosia reducta sp. n.

http://zoobank.org/ urn:lsid:zoobank.org:act:065083E8-C4EB-4D30-A9F6-8BC929BDFE1A

( Figs 34, 35 View FIGURES 32–39 , 61, 62 View FIGURES 61–64 , 74 View FIGURES 73–76 )

Type material. Holotype ( Figs 34 View FIGURES 32–39 , 61 View FIGURES 61–64 ): male, “the Philippines Mindanao | E. Surigao Lianga Hanayan | 13 km W. of Diatagon 350m | 29 Nov.–1 Dec. 2005 | 8°42’N 126°05’E | JH Lourens/ A. Schintlmeister ” / “Museum Witt | München” / “Slide | ZSM Arct. | 2021-082♁ | A. Volynkin ” (MWM/ ZSM). GoogleMaps

Paratypes. THE PHILIPPINES : 1 male, 1 female, the same data as holotype, gen. prep. No. : ZSM Arct. 2021-324 (female) (prepared by Volynkin) (MWM/ ZSM) GoogleMaps ; 5 males, 1 female, Mindanao, Misames Norte Prov., 22 km NE of Claveria, Brg. Mat I, 1050m, 20.iii.2009, 8°39.874’N 124°59.516’E, K. Černý & J. Lourens leg. ( CKC) GoogleMaps ; 5 males, Mindanao, Bukidnon Prov., 60 km S Talakag, Dominorog , 1271m, 23–24.iii.2009, 7°56.144’N 124°38.5’E, K. Černý & J. Lourens leg. ( CKC) GoogleMaps ; 1 male, 1 female, Mindanao, Surigao del Sur, 4 km E Homburquer, Gata , 170m, 17–18.iii.2009, 8°42.944’N 126°9.402’E, K. Černý & J. Lourens leg. ( CKC) GoogleMaps ; 1 male, Mindanao, Mt. Apo western side, secondary forest, 28–30.vii.1993, 6°57’N 125°16’E, Schintlmeister & Sinyaev leg. ( CKC) GoogleMaps ; 3 males, 6 females, Mindanao, Bukidnon [Prov.], 40km NW Maramag, Dalongdong, 800m, Talakag , 7°53’N 123°54’E, forest edge, 31.xii.1991 – 2.i.1992, Karel Černý leg. ( CKC) GoogleMaps ; 5 males, 5 females, the same locality as previous but 1–3.x.1988, Černý & Schintlmeister leg. ( CKC) GoogleMaps ; 6 males, 1 female, Mindanao, Bukidnon [Prov.], 45km NW Maramag, Mt. Binansilang, 1200m, 7°55’N 124°40’E, mountain forest, 2.x.1988, Černý & Schintlmeister leg. ( CKC) GoogleMaps ; 1 male, 1 female, SE Leyte, S of Libertad Brgy Imelda, Katipunan, 300m, 28.xi.2005, 10°43’N 125°04’[E], J.H. Lourens & A. Schintlmeister leg., gen. prep. No.: ZSM Arct. 2021-083 (male) (prepared by Volynkin) (MWM/ ZSM) ; 2 females, C Samar , 4 km SE Bachakay, 287m, 26. iii.2009, 11°48.025’N 125°14.61’E, K. Černý & J. Lourens leg. ( CKC) GoogleMaps .

Diagnosis. The forewing length is 16.0 mm in males and 18.5–19.0 mm in females. Philippinithosia reducta externally differs from its congeners in the unicolorous forewing lacking the dark suffusion on veins. The male genital capsule of the new species is most similar to P. settelei but can easily be distinguished by the elongate, footshaped setose apex of the valva (it is globular in the congener), the apically broader distal saccular process covered with larger spinules, and the longer and distally broader uncus. The phallus of P. reducta is somewhat longer than in P. settelei (in proportion to the tegumen-vinculum complex length). In the vesica structure, the new species is distinct from P. settelei by the longer and narrower proximal section, and the presence of a single distal diverticulum bearing a larger terminal cornutus. The female genitalia of P. reducta differ from P. settelei in the longer apophyses anteriores, and the presence of a semiglobular rugose diverticulum of the corpus bursae at the junction with the ductus bursae.

Distribution. The new species is currently known from the islands of Mindanao, Leyte and Samar (the Philippines).

Etymology. The specific epithet is derived from the Latin ‘reducta’ meaning ‘reduced’ and refers to the reduced dark suffusion on the forewing veins. The name is a noun in the nominative singular in apposition.

ZSM

Bavarian State Collection of Zoology

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