Species: Patrus garuda (Suksai et al., 2021)
Classification
Phylum: Arthropoda
 Class: Insecta
  Order: Coleoptera
   Family: Gyrinidae
    Genus: Patrus
Collection specimen
Holotype:
 - Male: Enns Entomology Museum, University of Missouri, Columbia, Missouri, USA.
Paratype:
     - 1 male: Enns Entomology Museum, University of Missouri, Columbia, Missouri, USA.
- 3 males, 1 female: Enns Entomology Museum, University of Missouri, Columbia, Missouri, USA.
- 1 male: Thailand Natural History Museum, Pathum Thani, Thailand.
- 2 females: Thailand Natural History Museum, Pathum Thani, Thailand; Enns Entomology Museum, University of Missouri, Columbia, Missouri, USA.

Morphology:
Adult:
 - Patrus garuda is most similar to P. landaisi but can be distinguished by P. garuda has the rounded elytral apices and aedeagus with the median lobe more strongly tapered towards the apex, which is more strongly acuminate. The female of P. garuda and P. salvazai can be distinguished from each other by having elytral glabrous region “nycteriform” (batwing-shaped) in P. garuda.


Figure


Habitat: - Patrus garuda is currently only known from two high-elevation waterfalls and associated streams within Doi Inthanon National Park, Chiang Mai Province, Thailand.

Distribution:
 - Chiang Mai Province: Doi Inthanon National Park., Siriphum Waterfall and Huai Sai Luang Waterfall.

Work cited:
 - Suksai, B., Gustafson, G.T., Sites, R.W. and Sangpradub, N. 2021. Review of the Patrus landaisi species group from Thailand with description of three new species (Coleoptera, Gyrinidae). Zootaxa 4991(3): 561–591.

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