apm299's picture

Slugs mating

Observed: 22nd September 2009 By: apm299
S159 Neighbourhood Nature - course complete
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Slugs mating 1
Slugs mating 2
Slugs mating 3
Description:

Two slugs mating on the rain-wet cement doorstep at 18:42.

Identifications
Species interactions

No interactions present.

Comments

Martin Harvey's picture

Arion rufus?

I would tend towards Arion rufus for this one, given the bright orange fringe. See discussion at:
http://www.ispot.org.uk/node/3297

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Entomologist and biological recorder

apm299's picture

Arion rufus

Thanks for the advice. To be honest I was going round in circles with this one and was ultimately persuaded by “The foot fringe is often paler and redder than the body” from the Conchological Society of Great Britain and Ireland website, relating to the Arion ater. The more I look into it, the more I edge closer to confusion over clarity. I remember when the only problems slugs presented were to the lettuces.

Martin Harvey's picture

confusing!

Yes, I agree they are confusing! Arion rufus has at times been treated as a subspecies or variety of Arion ater, and I don't think the Conch Soc website distinguishes them.

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Entomologist and biological recorder