English: A 5 minute video showing the copulation of Deroceras invadens from the type locality. The penial caecae of both partners evert after 31 s. The penial lobe of one partner everts (partially hidden) after 75 s, and the "tentacles" of its penial gland evert after 140 s. These events occur later with the other partner, after 156 s and 196 s. For related videos and explanations see http://www.senckenberg.de/files/content/forschung/abteilung/zoologie/malakologie/malak/hutch/malta.htm
and
Reise et al. 2011. Deroceras panormitanum and congeners from Malta and Sicily, with a redescription of the widespread pest slug as Deroceras invadens n. sp. Folia Malacologica 19:201–233.
Date
Source
own creation
Author
J.M.C. Hutchinson
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{{Information |Description ={{en|1=A 5 minute video showing the copulation of Deroceras invadens from the type locality. The penial caecae of both partners evert after 31 s. The penial lobe of one partner everts (partially hidden) after 75 s, and th...
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