Steve Downer / Close up of a Black slug (Arion ater agg.) feeding on a Plantain lily (Hosta) leaf, Birmingham, England, UK, August.
01523922
Steve Downer / Black slug (Arion ater agg.) feeding on a dead Yellow slug (Limax flavus), Birmingham, England, UK, August.
01597559
Adrian Davies / Slug (Arion ater agg) mating pair with sperm mass, Surrey, England, UK. August.
01523951
Steve Downer / Close up of a Black slug (Arion ater agg.), showing penis, England, UK, October.
01523950
Steve Downer / Close up of a penis of a Black slug (Arion ater agg.), England, UK, October.
01523949
Steve Downer / Pair of Black slugs (Arion ater agg.) mating, showing external sperm transfer, Birmingham, England, UK, October.
01523948
Steve Downer / Close up of a pair of Black slugs (Arion ater agg.) mating, showing external sperm transfer, Birmingham, England, UK, October.
01523947
Steve Downer / Close up of a pair of Black slugs (Arion ater agg.) mating, showing external sperm transfer, Birmingham, England, UK, October.
01523946
Steve Downer / Pair of Black slugs (Arion ater agg.) mating, showing external sperm transfer, Birmingham, England, UK, October.
01523942
Steve Downer / Close up of a Black slug (Arion ater agg.) eyestalk. Controlled conditions.
01523941
Steve Downer / Close up of a Black slug (Arion ater agg.) eyestalk. Controlled conditions.
01523940
Steve Downer / Close up of a Black slug (Arion ater agg.), showing pneumostome. Controlled conditions.
01523939
Steve Downer / Close up of a Black slug (Arion ater agg.), showing pneumostome. Controlled conditions.
01523937
Steve Downer / Black slug (Arion ater agg.) feeding on a Plantain lily (Hosta) leaf, Birmingham, England, UK, August.
01523935
Steve Downer / Close up of a Black slug (Arion ater agg.) feeding on a Plantain lily (Hosta) leaf, Birmingham, England, UK, August.
01523934
Steve Downer / Close up of a Black slug (Arion ater agg.) feeding on a Plantain lily (Hosta) leaf, Birmingham, England, UK, August.
01523933
Steve Downer / Close up of a Black slug (Arion ater agg.) feeding on a Plantain lily (Hosta) leaf, Birmingham, England, UK, August.
01523932
Steve Downer / Close up of a Black slug (Arion ater agg.) showing red colour variation feeding on a Plantain lily (Hosta) leaf, Birmingham, England, UK, August.
01523931
Steve Downer / Two Black slugs (Arion ater agg.), showing black and red colour variations, Birmingham, England, UK, August.
01523927
Steve Downer / Black slug (Arion ater agg.) feeding on a dead Yellow slug (Limax flavus), Birmingham, England, UK, August.
01523926
Steve Downer / Close up of a Black slug (Arion ater agg.) feeding on a dead Yellow slug (Limax flavus), Birmingham, England, UK, August.
01523925
Steve Downer / Black slug (Arion ater agg.) crawling into a hollow rotten potato, Birmingham, England, UK, August.
01523924
Steve Downer / Black slug (Arion ater agg.) crawling over rotting potatoes, Birmingham, England, UK, August.
01523923
Steve Downer / Black slug (Arion ater agg.) feeding on rotting potatoes, Birmingham, England, UK, August.