spanish slug eggs biggest great grey leopard limax maximus nest hatchery hatch pest arion vulgaris egg-laying white

agriculture arion biggest brownish closeup crops detail disposal eating egg egglaying eggs enormous farm farming fertilise field garden great grey hatch hatchery invasive land laying leaf leaves leopard limax maximus moves moving nest own parasites parasitic parasitizes peninsula pest pesticides plant poison sites slug snail spain spanish vegetable vulgaris white