Partula
Partula is a genus of land snails, constituting 75 species of arboreal land snails native to French Polynesia and neighboring islands.
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Partula is a genus of land snails, constituting 75 species of arboreal land snails native to French Polynesia and neighboring islands.
Their decline and extinction is the result of failed biological control. The giant African land snail was introduced to French Polynesia as a food source, which escaped and began destroying crops. The rosy wolfsnail was subsequently introduced to eat and eradicate the giant African land snail. It instead chose to eat the many species of Partula endemic to the islands, resulting in an accidental mass extinction event within French Polynesia.
Some species were successfully saved by scientists who collected the last live individuals from French Polynesia and took them into captivity for breeding. Others have been resilient enough to survive in the wild.
Reintroductions
P. garrettii was misidentified as P. tristis for some time, and P. navigatoria was misidentified as P. dentifera.
| Species | IUCN | 2015[1] | 2016[2] | 2017[3] | 2018[4] | 2019[5] | 2023[6] | 2024[7] | Total |
|---|---|---|---|---|---|---|---|---|---|
| Tahiti | |||||||||
| Partula affinis | CR | 48 | 201 | 129 | 240 | 182 | 179 | 429 | 1408 |
| Partula hyalina | VU | 1 | 8 | 90 | 71 | 12 | 34 | 59 | 275 |
| Partula nodosa | EW | 220 | 877 | 1,777 | - | 2,528 | 2,463 | 3,362 | 11,227 |
| Moorea | |||||||||
| Partula mirabilis | EW | - | - | - | 10 | 60 | 53 | 41 | 164 |
| Partula mooreana | EW | - | 592 | 344 | - | - | - | 110 | 1,046 |
| Partula suturalis strigosa | EW | - | - | - | - | - | 62 | - | 62 |
| Partula suturalis vexillum | EW | - | 374 | 290 | 171 | 210 | 49 | 240 | 1,334 |
| Partula taeniata nucleola | CR | - | 100 | 206 | 201 | 219 | 454 | 137 | 1,317 |
| Partula taeniata simulans | CR | - | 67 | - | 549 | 360 | 1,410 | 1,117 | 3,503 |
| Partula tohiveana | EW | - | 639 | 950 | 766 | 710 | 990 | 1,581 | 5,636 |
| Huahine | |||||||||
| Partula rosea | EW | - | - | - | - | 1,896 | - | - | 1,896 |
| Partula varia | EW | - | - | - | - | 522 | - | 1,377 | 1,899 |
| Raiatea | |||||||||
| Partula garrettii | EW | - | 38 | - | - | - | - | - | 38 |
| Partula hebe | EW | - | 81 | - | - | - | - | - | 81 |
| Partula navigatoria | EW | - | 96 | - | - | - | - | - | 96 |
Species list
All species of Partula within the Society Islands are listed here, sorted by island:
Society Islands
Tahiti
- Partula affinis
- Partula clara
- Partula compressa
- Partula cytherea
- Partula diminuta
- Partula hyalina
- Partula incrassa
- Partula incrassa exigua
- Partula incrassa incrassa
- Partula jackieburchi
- Partula laevigata
- Partula nodosa
- Partula otaheitana
- Partula producta
Moorea
- Partula aurantia
- Partula mirabilis
- Partula mooreana
- Partula suturalis
- Partula suturalis strigosa
- Partula suturalis suturalis
- Partula suturalis vexillum
- Partula taeniata
- Partula taeniata elongata
- Partula taeniata nucleola
- Partula taeniata simulans
- Partula taeniata taeniata
- Partula tohiveana
Huahine
- Partula arguta
- Partula rosea
- Partula varia
Raiatea
This section of the list is incomplete.
- Partula clarkei
- Partula dentifera
- Partula dentifera callifera
- Partula dentifera cedista
- Partula dentifera citrina
- Partula dentifera formosa
- Partula dentifera imperforata
- Partula dolorosa
- Partula faba
- Partula garrettii
- Partula hebe
- Partula hebe bella
- Partula labrusca
- Partula meyeri
- Partula navigatoria
- Partula tristis
- Partula turgida
Tahaa
- Partula bilineata
- Partula eremita
- Partula planilabrum
- Partula sagitta
- Partula umbilicata
Bora-Bora
- Partula lutea
References
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