Showing posts with label Mollusca. Show all posts
Showing posts with label Mollusca. Show all posts

Sunday, 21 April 2013

The Outing



The Garden Snail
Helix aspersa

 
The Shell is 2-5-4cm long with a large rounded mouth. It is mostly chestnut brown with up to five dark brown spiral bands.
They generally have a moist grey skin. Their body produces a guie slime that prevents them from getting cuts, and they can
even crawl upside down with the suction created because of the slime. This slime is not harmful to the hands on contact.

 
Snails are noctural creatures, find food at night, and hide in the shade during the day.During the winter months they hibernate, but this garden snail was disturbed when my husband was cutting the grass, and was in search of shade.It moved very quicky as garden snails move faster than other snail species. Moving at a steady pace they can move 55 yards per hour, and I was really surprises to see how quickly he moved out of the sun, and into the shelter of the shade

 

The Garden Snail's head bears four tentacles, the upper two of which have eye.like sensors, and the lower two of which are smaller, tactile and olfactory sensory structures. They have poor eye sight and rely on sense of smell and touch to find food. Few low growing plants escape the attentions of the garden snail, and for this reason it is considered a pest by gardeners  because it  can do considerable damage to strawberry crops, courgettes, and many other garden plants.  

 
I think most of you will probably dislike the snail because of the trail of slime it leaves behind it. It will not be a favourite with gardeners, but it is a curious creature, which I have fondly drawn since childhood. I remember drawing pictures of snails on my bedroom walls before they were newly wall papered, and loved to see illustrations of snails in childrens books. I hope you will not find these images too offensive.

Friday, 4 May 2012

In Residence Double Take

Garden snail
Arion hortensis

In Residence

Garden Snail
Arion hortensis
 
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