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Is there a geographical pattern in the breeding system of a complex of hermaphroditic slugs (Mollusca: Gastropoda: Carinarion)?
TLDR
The results show that the previously reported ‘species’ specific allozyme markers are no longer valid if populations from central Europe are investigated, and A. fasciatus andA.
Two introduced pest slugs: Tandonia budapestensis new to the Americas, and Deroceras panormitanum new to the Eastern USA
TLDR
The slug Rathouisia leonina Heude, 1882 was carried out both in the field and in the laboratory and showed a preference for the eggs of Acusta ravida over those of Bradybaena similaris and T. siibmissa.
A biography of an invasive terrestrial slug: the spread, distribution and habitat of Deroceras invadens
The article reviews distribution records of Deroceras invadens (previously called D. panormitanum and D. caruanae), adding significant unpublished records from the authors’ own collecting, museum
Deroceras panormitanum and congeners from Malta and Sicily, with a redescription of the widespread pest slug as Deroceras invadens n. sp.
TLDR
D. panormitanum is distinct from the Maltese endemic Deroceras golcheri, but a phylogeny based on mtDNA COI sequences implies that they are more closely related than is the tramp species.
Mating of the slugs Arion lusitanicus auct. non Mabille and A. rufus (L.): Different genitalia and mating behaviours are incomplete barriers to interspecific sperm exchange
TLDR
Observations of mating behaviour of intraspecific pairs largely agree with previous descrip- tions of A. rufus, but some discrepancies between the findings and the fuller descriptions available for A. lusitanicus are discussed.
A review of mating behavior in slugs of the genus Deroceras (Pulmonata: Agriolimacidae)*
TLDR
It is hypothesized that the radiation of mating behaviors and associated structures has been driven by an arms race resulting from conflicting interests of mating partners over sperm donation and use and this could also have increased the rate of speciation in Deroceras.
Mating behaviour in the terrestrial slug Deroceras gorgonium: is extreme morphology associated with extreme behaviour?
TLDR
For the first time in Deroceras, the sarcobelum transferring a secretion was observed and the penial gland is everted immediately after sperm exchange, but, surprisingly, is often spread underneath the partner rather than over its back and, if on top, is not always fully spread over the partner's body.
First records of the invasive slug Arion lusitanicus auct. non Mabille (Gastropoda: Pulmonata: Arionidae) in Romania
TLDR
Evidence that A. lusitanicus might have arrived in Romania earlier is discussed and further research on the species’ spread in Romania and on its impact on the native fauna and flora is necessary.
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