Belongs within: Loriinae.
The genus Trichoglossus includes the rainbow lorikeet T. haematodus and related species found in tropical Australasia and the islands of south-east Asia. Members of this genus often have a barred upper breast and/or relatively long tails. Subspecies of the rainbow lorikeet are predominantly green, often with a blue crown, yellow band around the back of the head, and barred red breast. The Pohnpei lorikeet T. fuliginosus is predominantly maroon with yellow flight feathers and tail.
<==Trichoglossus Stephens in Shaw 1826CC10 [incl. Eutelipsitta Mathews 1911C38; Trichoglossinae]
|--T. ornatus (Linnaeus 1758)BKB15, PB96
`--+--T. chlorolepidotus (Kuhl 1820)JT12, CC10 (see below for synonymy)
| |--T. c. chlorolepidotusC38
| `--‘Eutelipsitta chlorolepidota’ neglecta (Reichenow 1898) [=Psitteuteles neglectus]C38
`--+--*T. haematodus (Linnaeus 1771)CC10, BKB15, WS48 (see below for synonymy)
| |--T. h. haematodusCC10
| |--T. h. berauensis Cain 1955RN72
| |--T. h. caeruleicepsM03
| |--T. h. deplanchiiRN72
| |--T. h. djampeanusRN72
| |--T. h. flavicans [incl. T. h. aberrans]RN72
| |--T. h. flavotectusRN72
| |--T. h. fortisRN72
| |--T. h. intermediusRN72
| |--T. h. massenaRN72
| |--T. h. micropteryxRN72
| |--T. h. mitchelliiRN72
| |--T. h. nesophilusRN72
| |--T. h. nigrogularisRN72
| |--T. h. novaehollandiaeSJ85
| `--T. h. stresemanniRN72
`--T. eutelesBKB15 [=Psitteuteles eutelesRN72]
Trichoglossus incertae sedis:
T. aurifrons (Lesson 1831) [=Psittacus aurifrons]CC10
T. capistratusAP21 [=T. haematodus capistratusRN72]
T. concinnusCH89
T. flavoviridisJT12
T. forsteniAP21 [=T. haematodus forsteniRN72]
T. johnstoniaeAP21
T. moluccanus (Gmelin 1788)AP21, CC10 (see below for synonymy)
T. pusillusCH89
T. rosenbergiiAP21 [=T. haematodus rosenbergiiRN72]
T. rubiginosusJT12
T. rubritorquis Vigors & Horsfield 1826AP21, WS48 [=T. haematodus rubritorquisWS48]
T. weberi (Büttikofer 1894)AP21, RN72 [=Psitteuteles weberiRN72, T. haematodus weberiRN72]
Trichoglossus chlorolepidotus (Kuhl 1820)JT12, CC10 [=Psittacus chlorolepidotusCC10, *Eutelipsitta chlorolepidotaC38, Trichoglossus matoni Vigors & Horsfield 1827C38]
*Trichoglossus haematodus (Linnaeus 1771)CC10, BKB15, WS48 [=Psittacus haematodusCC10, P. haematopus Stephens 1826C38; incl. Trichoglossus colesi Le Souef 1910C38, P. haematotus daviesanus Kerr 1792C38]
Trichoglossus moluccanus (Gmelin 1788)AP21, CC10 [=Psittacus moluccanusCC10, T. haematodus moluccanusCC10; incl. T. moluccanus eyreiC38, T. haematodus septentrionalisM03, T. moluccanus septentrionalisC38]
*Type species of generic name indicated
References
[AP21] Arlott, N., & B. van Perlo. 2021. Collins Birds of the World. William Collins.
[BKB15] Burleigh, J. G., R. T. Kimball & E. L. Braun. 2015. Building the avian tree of life using a large-scale, sparse supermatrix. Molecular Phylogenetics and Evolution 84: 53–63.
[C38] Cayley, N. W. 1938. Australian Parrots: Their Habits in the Field and Aviary. Angus & Robertson Limited.
[CC10] Checklist Committee (OSNZ). 2010. Checklist of the Birds of New Zealand, Norfolk and Macquarie Islands, and the Ross Dependency, Antarctica 4th ed. Ornithological Society of New Zealand and Te Papa Press: Wellington.
[CH89] Cox, J. D., & A. G. Hamilton. 1889. A list of the birds of the Mudgee district, with notes on their habits, etc. Proceedings of the Linnean Society of New South Wales, series 2, 4 (2): 395–424.
[JT12] Jetz, W., G. H. Thomas, J. B. Joy, K. Hartmann & A. Ø. Mooers. 2012. The global diversity of birds in space and time. Nature 491: 444–448.
[M03] Morcombe, M. 2003. Field Guide to Australian Birds 2nd ed. Steve Parish Publishing.
[PB96] Palma, R. L., & S. C. Barker. 1996. Phthiraptera. In: Wells, A. (ed.) Zoological Catalogue of Australia vol. 26. Psocoptera, Phthiraptera, Thysanoptera pp. 81–247. CSIRO Publishing: Melbourne.
[RN72] Rutgers, A., & K. A. Norris (eds.) 1972. Encyclopaedia of Aviculture vol. 2. Blandford Press: London.
[SJ85] Storr, G. M., & R. E. Johnstone. 1985. Field Guide to the Birds of Western Australia 2nd ed. Western Australian Museum: Perth (Australia).
[WS48] Whittell, H. M., & D. L. Serventy. 1948. A systematic list of the birds of Western Australia. Public Library, Museum and Art Gallery of Western Australia, Special Publication 1: 1–126.