Pest | Damage | Cultural | Biological | Contact | Systemic |
---|---|---|---|---|---|
Scale Insect | Sucks sap > poor growth. Excretes honeydew > sooty mould | Hygiene | Parasitic wasp | Y | Y |
Mealy Bug | Stunts growth. Premature leaf drop | Hygiene | Labybird. Parasitic wasp | Y | Y |
Aphid | Sap suckers. Attack meristems > distorted growth | Maintain plant health. Wash / pick off. Sacrificial plants | Lacewing larvae. Hoverfly larvae. Ladybird. Parasitic wasp. Earwig | Y | Y |
Cabbage White larvae | Holes in leaves, can overwhelm plant | Netting. Sacrificial plants. | Nematode | Y | X |
Codling Moth | Maggoty fruit (esp. apples, pears). Early drop | Pheromone traps (reduce males > reduced laying females.) | Nematode | Y | X |
2-Spot Spider Mite | Sucks sap. Leaf loss. Potential death | High humidity. Hygiene | Mite. Rove beetle | X | Y |
Vine Weevil | Notches in leaves (adults). Eat roots (grubs) > wilting & death | Pick off grubs at night. Traps. Encourage natural predators. | Nematode | X | Y |
Western Flower Thrip | Silvering on leaves, flecks on petals, stunted growth, distorted leaves | Select clean plants. Weed out hosts. | Mite (glasshouse) | X | Y (resistant) |
Leatherjacket | Cuts base of stem. Yellow lawn patches. Secondary damage from predatory birds (esp. Corvids) | Soak lawn , cover in black plastic, remove grubs | Nematode | X | X |
Wireworm | Tunnelling in potatoes | Crop rotation. Regular Cultivation. | Nematode | X | X |
Earwig | Eating potatoes & older foliage. | Traps (straw stuffed upturned pots on canes) | X | Y | X |
Wood Pigeon | Strips leaves from brassicas. Eats cherries, currants | Netting | X | X | X |
Big Bud Mite | Infects buds > failure top flower & fruit. | Hygiene. Remove infected plants. Buy resistant / certified stock. | X | X | X |
Horse Chestnut Leaf Miner | Tunnelling > white patches in June, leaf browning, early leaf drop | Hygiene. Remove & burn fallen leaves. Pheromone leaf traps. Buy resistant varieties (Aesculus x indica). | X | X | X |
Mole | Lawn damage / soil heaps. Uprooting young plants | Traps | X | X | X |
Many. Divided into Soft and Armoured.
See https://www.mortonarb.org/trees-plants/tree-and-plant-advice/help-pests/scale-insects
A species of unarmoured scale insect
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