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completely different foodplants. Butterflies in the spring emergence lay their eggs on holly and their caterpillars feed on the developing buds. When these insects reach adulthood in late-summer they lay their eggs on ivy flower buds. At least

. The first is relatively straightforward: the mullein moth caterpillar. These are stripy chaps that start quite skinny, but rapidly become as fat as witchity grubs by eating verbascum leaves at a terrifying rate. I grow the gorgeous Verbascum bombyciferum

Dulwich). All ichneumons are parasitic, laying their eggs in a wide range of insects, but especially moth and butterfly caterpillars. The venom injected at the same time contains an immunosuppressant, preventing the immune system of the host insect from

will be reduced, while caterpillar food plants could die through lack of water, taking the caterpillars (and therefore butterflies) with them. The dry, hard ground will make life hard for robins and blackbirds looking for worms to feed themselves and their young

growing vegetablesMagnesium deficiencyLeatherjacketsCabbage white caterpillarsCourgette rot

-autumn.Treat the lawn with an insecticide containing imidacloprid from May to October.lawns, strawberries, brassicas, some ornamental plantsspring to autumnMore common garden pestsPea and bean weevilsCaterpillarsFlea beetleEarwigs

predators in the garden and they attack all manner of real pests including caterpillars, aphids and flies. They feed the chewed remains to their grubs back at the nest. The last five years have been really bad for wasps; either the hibernating queens have

, pinks and yellowy greens.The nondescript green or brown caterpillar feeds on a huge range of native and cultivated plants, but it's usually very secretive and never a pest. It was sitting in its distinctive pose: head down body slightly raised with its

in the region of 50 to 55 mm.In insects, small size is sometimes attributed to poor nutrition during the larval stage. Since painted lady caterpillars feed on thistles, food shortage seems unlikely...unless, perhaps, the recent poor weather meant that its

by squirrels. I went to great lengths to build a butterfly-proof shelter around them to prevent attack from the caterpillars of cabbage white butterfly. Fortunately, this was a great success. But towards the end of the season the squirrels moved in