Talitroidea Rafinesque 1815
Creators: name: Hughes, Lauren E.
name: Lowry, James K.
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera

description: Key to Adult Male New Zealand Coastal Talitroid Species
1. Gnathopod 1 with palmate lobe on propodus only........................................................... 2
- Gnathopod 1 with palmate lobe on merus, carpus and propodus................................................ 4
- Gnathopod 1 with palmate lobe on carpus and propodus...................................................... 5
2. Gnathopod 2 palm extremely acute........................................... Tatahipeke tumida (Stebbing, 1887)
- Gnathopod 2 palm not extremely acute.................................................................... 3
3. Gnathopod 1 subchelate. Gnathopod 2 propodus without palmar sinus....... Bellorchestia quoyana (Milne Edwards, 1840)
- Gnathopod 1 parachelate. Gnathopod 2 propodus with small distal palmar sinus....... Bellorchestia spadix (Hurley, 1956)
4. Gnathopod 2 propodus palm nearly transverse, evenly rounded; dactylus with slight posteroproximal projection. Pereopod 6 carpus subovate........................................................ Transorchestia miranda Chilton, 1916
- Gnathopod 2 propodus palm acute, concave; dactylus posterior margin smooth. Pereopod 6 carpus subrectangular............................................................................. Transorchestia serrulata (Dana, 1852a)
5. Pereopod 7 sexually dimorphic, with basis, merus or carpus greatly enlarged...................................... 6
- Pereopod 7 not sexually dimorphic, with basis, merus or carpus slender, rectilinear................................. 8
6. Antenna 1 short, not reaching midpoint of peduncular article 5 of antenna 2. Gnathopod 2 palm extremely acute.................................................................................... Tatahipeke cookii (Filhol, 1885)
- Antenna 1 long, reaching midpoint of peduncular article 5 of antenna 2.......................................... 7
7. Gnathopod 2 propodus with midpalmar and proximal sinuses. Pereopod 7 carpus enlarged, rounded................................................................................... Aotearorchestia chathamensis (Hurley, 1956)
- Gnathopod 2 propodus without palmar sinuses. Pereopod 7 carpus enlarged, subovate............................................................................................... Aotearorchestia telluris (Spence Bate, 1862)
8. Uropods 1 and 2 endopods with marginal setae in two rows........ Subantarctorchestia aucklandiae (Spence Bate, 1862)
- Uropods 1 and 2 endopods with marginal setae in one row.................................................... 9
9. Gnathopod 1 palm angle transverse................................... Subantarctorchestia bollonsi (Chilton, 1909)
- Gnathopod 1 palm angle obtuse................................................ Tatahipeke kirki (Hurley, 1956)
description: Published as part of Hughes, Lauren E. & Lowry, James K., 2023, Review of New Zealand Coastal Talitroids with description of three new genera (Crustacea, Amphipoda, Senticaudata), pp. 1-81 in Zootaxa 5268 (1) on pages 77-78, DOI: 10.11646/zootaxa.5268.1.1, http://zenodo.org/record/7840854