Wildlife Ranger's picture

Slug 10037

Observed: 10th August 2012 By: Wildlife Ranger
Freshwater Environment & Ecology Trust
Wildlife Ranger is knowledgeable about InvertebratesWildlife Ranger’s earned reputation in InvertebratesWildlife Ranger’s earned reputation in InvertebratesWildlife Ranger’s earned reputation in InvertebratesWildlife Ranger’s earned reputation in InvertebratesWildlife Ranger’s earned reputation in Invertebrates
IMG_0195
Description:
Identifications
Species interactions

No interactions present.

Species with which Great Black Slug (Arion (Arion) ater) interacts

Comments

martinjohnbishop's picture

Large round back slugs

These species are easily confused:
http://www.habitas.org.uk/molluscireland/splistletter.asp?item=A
Arion (Arion) ater Large black slug
Arion (Arion) flagellus Durham slug
Arion (Arion) rufus Large red slug
Arion (Arion) vulgaris False Lusitanian slug

For a key (where Durham = flagellus and lusitanicus = vulgaris) see
www.field-studies-council.org/fieldstudies/.../vol5.5_156_a.pdf

martinjohnbishop's picture

I just noticed there is a full explanation here

http://www.ispot.org.uk/node/85805

To be sure, it is necessary to examine the spermatophore and genital anatomy.

sevenoysters's picture

re full explanation - martinjohnbishop

thanks very much for your link - very useful explanation.