garden snails on a tree

adhesive air animal anthropochorous area aspersa aspersum autumn bifurcation body branches breathing brown brownishgolden brownishgray chestnut cornu dark environment europe flashlight food garden gastropod helicidae helix herbivore hermaphrodites invertebrate italy land leaves locomotion mediterranean mollusc mucus natural natures numerous outdoor pattern pest pulmonate reticulated retracted season seasonal secreted shell shelled slimy slug small snail snails soft stripes terni terrestrial thixotropic tree umbria umidity western yellow zoology