| NAME
& DESCRIPTION |
TREATMENT
OPTIONS |
ILLUSTRATIONS |
| Sciarid
Flies (Fungus
Gnat) –
Almost any type of plant likely to be affected when the
compost is too acid or waterlogged.
Masses of tiny dark-coloured flies in and around
compost. Tiny
white, black-headed grubs around roots. |
Avoid over-watering.
If damage appears, drench compost with derris
solution. |
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| Biological
control Hypoaspis
works well |
| More
Information |
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| Sawfly –
The most common one attacks Solomon's Seal, and another
Gooseberries. Apples and other fruit trees can also be
affected. Ribbon-like patterns on fruit; blisters on leaves |
Hand
pick off |
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| Spray
infested areas. |
| Destroy
affected fruits |
|
| Leaf
Miner –
Almost all types of plant are likely to be affected.
Blotch-like or irregular maze-like meandering
patterns within leaves. |
|
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| Pick and destroy affected leaves. |
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| Bulb
Fly –
Narcissi, hyacinths and sometimes other types of bulbous
plant. Distorted
flower and shoot growth associated with presence of maggots
in bulbs |
Destroy affected bulbs promptly.
After cutting off old foliage, rake soil over clumps
to cover the holes. |
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|
| Snails
and Slugs –
Almost all types of soft, fleshy plant tissues are affected.
Irregular holes in leaves and other soft, fleshy
tissues, associated with presence of slime trails. |
Use proprietary slug bait or surround valuable
plants with ash or make barriers of spiny twigs. |
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|
| Wireworm –
The term wireworm is used to describe the lava form of many
click beetles. Almost all types of plant but usually most serious on
potatoes and other root vegetables.
Generally poor growth of plants, especially on old
grassland areas. Yellowish
maggoty larvae on roots. |
Cultivate affected land very thoroughly in
winter to bring pests to the surface for birds to eat. |
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| Eelworm –
Potatoes, bulbs, root vegetables and chrysanthemums are
among many types of plant affected.
Tiny yellowish marbles on potato roots, black rings
in daffodil bulbs and knobbly outgrowths on root crops. |
Destroy affected plants and do not grow the
same crop on the same area for at least four years. |
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