Partula

Partula is a genus of land snails, constituting 75 species of arboreal land snails native to French Polynesia and neighboring islands.

Partula

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.

Partula reintroductions
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

  1. Partula affinis
  2. Partula clara
  3. Partula compressa
  4. Partula cytherea
  5. Partula diminuta
  6. Partula hyalina
  7. Partula incrassa
    1. Partula incrassa exigua
    2. Partula incrassa incrassa
  8. Partula jackieburchi
  9. Partula laevigata
  10. Partula nodosa
  11. Partula otaheitana
  12. Partula producta

Moorea

  1. Partula aurantia
  2. Partula mirabilis
  3. Partula mooreana
  4. Partula suturalis
    1. Partula suturalis strigosa
    2. Partula suturalis suturalis
    3. Partula suturalis vexillum
  5. Partula taeniata
    1. Partula taeniata elongata
    2. Partula taeniata nucleola
    3. Partula taeniata simulans
    4. Partula taeniata taeniata
  6. Partula tohiveana

Huahine

  1. Partula arguta
  2. Partula rosea
  3. Partula varia

Raiatea

This section of the list is incomplete.

  1. Partula clarkei
  2. Partula dentifera
    1. Partula dentifera callifera
    2. Partula dentifera cedista
    3. Partula dentifera citrina
    4. Partula dentifera formosa
    5. Partula dentifera imperforata
  3. Partula dolorosa
  4. Partula faba
  5. Partula garrettii
  6. Partula hebe
    1. Partula hebe bella
  7. Partula labrusca
  8. Partula meyeri
  9. Partula navigatoria
  10. Partula tristis
  11. Partula turgida

Tahaa

  1. Partula bilineata
  2. Partula eremita
  3. Partula planilabrum
  4. Partula sagitta
  5. Partula umbilicata

Bora-Bora

  1. Partula lutea

References

  1. ↑ Tentacle 28 (2019)
  2. ↑ Tentacle 28 (2019)
  3. ↑ Tentacle 28 (2019)
  4. ↑ Tentacle 28 (2019)
  5. ↑ Tentacle 28 (2019)
  6. ↑ [1]
  7. ↑ [2]

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