The Extinct Lepidoptera rarities of Aller Hill,Somerset. Dec 20, 2015 2:08:03 GMT -8 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by nomad on Dec 20, 2015 2:08:03 GMT -8 New article. See collector-secret.proboards.com/thread/784/extinct-lepidoptera-rarities-aller-somerset.The limestone of Aller Hill in Somerset in the West Country of England once had had a unique assemblage of interesting lepidoptera species. Slona lineata captured by J.C. Dale at Aller Hill Langport between 1834 & 1843.