Pellets are most effective in spring, when slugs and snails are leaving their winter shelter. MONIQUE FORD/FAIRFAX NZ Many gardeners use beer traps to lure snails and slugs to their death.
There’s nothing like the heartbreak of spending hours sowing, raising, planting and tending your favourite garden veges – only to see them munched to pieces by snails and slugs.
The natural predators of the slug and the snail are birds and hedgehogs and these creatures need to be encouraged into your garden if you are looking to reduce the slug and snail population.
Slugs are active all year round whereas in cooler areas snails will cluster in crevasses in garden walls, beneath logs, in old pots, under sheds, behind stacks of timer. Slugs and snails lay clusters of small, round translucent eggs in autumn and early spring.
Some of the birds known to eat slugs include blackbirds, thrushes, robins, starlings, jays, seagulls, and even owls. To find out how your garden can be a more welcoming place for these natural predators, read: How to Design a Bee-Friendly Garden. Coping with these slimy garden pests can …
Slugs are without shells. Garden slugs are 1/8 to 1 inch (3 to 25 mm) long (longer when stretched out); banana slugs may be up to 4 to 6 inches (10 to 15 cm) long. Most slugs and snails are dark or light gray, tan, green, or black; some have darker spots or patterns. They leave a …
New Zealand has an estimated 1,400 native species of slugs and snails – many of them endangered. Native slugs are patterned to look like a leaf. The largest snails, Powelliphanta species, can grow up to 10 centimetres across, and have beautiful coloured shells.
Identification guide to common invertebrates of New Zealand
Slugs and snails belong to the class Gastropoda of molluscs (soft-bodied animals). Most gastropods are aquatic, but one group (subclass Pulmonata) have expanded into terrestrial habitats. Terrestrial snails and slugs in New Zealand are extremely diverse, and come in a variety of colours, shapes and sizes.
During cold or dry weather, snails can seal their shells, and remain dormant for several years. Suggested Organic Strategies: Start with a garden cleanup to reduce snails and slugs breeding sites. Wear thick gloves and gumboots to remove any garden rubbish.
The frogs were not affected but it did kill slugs and snails in the area. Once this occurred they moved their attention to the slugs and sought to find out if water with two per cent of caffeine would be an effective deterrent. In a single area in just a few hours, three-quarters of the slugs had moved out.