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New Genus and Two New Species of Chewing Lice from Southeast Asian Trogons (Aves: Trogoniformes), with a Revised Key to the Philopterus-complex



To describe a new genus and two new species of chewing lice from Southeast Asian trogons (Trogoniformes). These lice belong in the Philopterus-complex.


Slide-mounted lice were examined in a light microscope, illustrated by means of a drawing tube, and described using standard procedures.


The new genus and species were successfully described.


The genus Vinceopterus n. gen. is described from two species of Southeast Asian trogons (Trogoniformes: Harpactes). It presently comprises two species: Vinceopterus erythrocephali n. sp. from three subspecies of the Red-headed Trogon Harpactes erythrocephalus (Gould, 1834), and Vinceopterus mindanensis n. sp. from two subspecies of the Philippine Trogon Harpactes ardens (Temminck, 1826). Vinceopterus belongs to the Philopterus-complex, and thus likely constitutes a genus of head lice. Vinceopterus is the second new genus of chewing lice discovered on Southeast Asian trogons in recent years, the first genus of presumed head lice on trogons worldwide, and the fifth genus of chewing lice known from trogons globally. A translated and revised key to the Philopterus-complex is provided, as well as notes on the various chewing lice genera known from trogons.

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Work was supported by the Introduction of Full-time High-level Talent Fund of the Guangdong Academy of Sciences grant 2018GDASCX-0809 to DRG, and the Guangdong Forestry Special Project Grant 0877-16GZTP01D060 and National Natural Science Foundation of China grant 31672265 to FZ. We thank two anonymous reviewers who provided valuable comments on an earlier draft of this manuscript.

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Correspondence to Daniel R. Gustafsson.

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Gustafsson, D.R., Lei, L., Chu, X. et al. New Genus and Two New Species of Chewing Lice from Southeast Asian Trogons (Aves: Trogoniformes), with a Revised Key to the Philopterus-complex. Acta Parasit. 64, 86–102 (2019).

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  • Phthiraptera
  • Philopteridae
  • Philopterus-complex
  • Trogoniformes
  • New genus
  • New species