?Extinct (St Helena Invertebrate Forum (2024) St Helena Species Spreadsheet v12.5. Dataset.);
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Invasive. (St Helena Invertebrate Forum (2024) St Helena Species Spreadsheet v12.5. Dataset.);
Storehouses or domestic. (St Helena Invertebrate Forum (2024) St Helena Species Spreadsheet v12.5. Dataset.);
Native to North America and Hawaii but spread all around the world by man. (St Helena Invertebrate Forum (2024) St Helena Species Spreadsheet v12.5. Dataset.); No valid records known.
Key, R., Fowler, L., Pryce, D., Wilkins, V., Key, R. (2021). Terrestrial & Freshwater Invertebrates of St Helena. Pisces Publications, Newbury; St Helena Invertebrate Forum (2024) St Helena Species Spreadsheet v12.5. Dataset.;