Thanks to the phenomenally dry April, gardeners haven’t had much of a problem with slugs this year. It’s only now, with the wet weather of July, that numbers are on the rise. In summer, it takes about 10 days for the clusters of tiny, pearl-like eggs to hatch, so more slugs are definitely on the way.
There are 29 species of slug in Britain, but just four give the rest a bad name: the common garden slug, a leathery gunmetal grey and the length of your little finger; the fat, sickly grey field slug; the black slug, the biggest (and sometimes rust coloured) and keeled slugs, which have a ridge along their backs and a taste for potatoes.
Snails do their fair share of damage too, but, while snails chew the edges of foliage and open up the holes already made by slugs, it’s the slugs’ rasping mouth parts that scrape away and puncture the surface of foliage and turn your hostas into doilies.
More of slugfest from the source: The war on slugs starts at home - Telegraph
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