| Kingdom | Phylum | Class | Order | Family |
|---|---|---|---|---|
| ANIMALIA | ARTHROPODA | INSECTA | LEPIDOPTERA | PIERIDAE |
| Scientific Name: | Pieris wollastoni |
| Species Authority: | Butler, 1886 |
| Red List Category & Criteria: | Critically Endangered A1ac, B1+2ac ver 2.3 |
| Year Assessed: | 2000 |
| Assessor/s | Van Swaay, C.A.M. & Warren, M.S. |
| Evaluator/s: | Mace, G.M. & Hilton-Taylor, C. (Red List Programme Office) |
|
Justification: This species has a highly restricted distribution and numbers have recently declined sharply. There has also been an estimated decrease in the distribution area of at least 80% over the last 25 years which equates to an 80% population reduction over the last ten years. |
|
| Countries: |
Native:
Portugal (Madeira)
|
| Population: | In the 1970s this species was considered to be rare, but after 1980 it was found to be more widely distributed. Its numbers have decreased sharply in recent years. |
| Population Trend: |
Decreasing
|
| Habitat and Ecology: | Found in north facing valleys in the Laurisilva forests. |
| Systems: | Terrestrial |
| Conservation Actions: | Much of the remaining forest area has been nominated as a World Heritage Site. |
| Citation: | Van Swaay, C.A.M. & Warren, M.S. 2000. Pieris wollastoni. In: IUCN 2009. IUCN Red List of Threatened Species. Version 2009.2. <www.iucnredlist.org>. Downloaded on 09 February 2010. |
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