Beneficial Insects
From Antivist
(→General Gardening Advice for Attracting Bees and Other Pollinators) |
(→Plants That Attract Beneficial Insects) |
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LACEWINGS (Chrysopa spp.) | LACEWINGS (Chrysopa spp.) | ||
- | + | * Fern-leaf yarrow (Achillea filipendulina) | |
- | + | * Dill (Anethum graveolens) | |
- | + | * Angelica (Angelica gigas) | |
- | + | * Golden marguerite (Anthemis tinctoria) | |
- | + | * Four-wing saltbush (Atriplex canescens) | |
- | + | * Purple poppy mallow (Callirhoe involucrata) | |
- | + | * Caraway (Carum Carvi) | |
- | + | * Coriander (Coriandrum sativum) | |
- | + | * Cosmos white sensation (Cosmos bipinnatus) | |
- | Achillea filipendulina | + | * Queen Anne's lace (Daucus Carota) |
- | + | * Fennel (Foeniculum vulgare) | |
- | Anethum graveolens | + | * Prairie sunflower (Helianthus maximilianii) |
- | + | * Tansy (Tanacetum vulgare) | |
- | Angelica | + | * Dandelion (Taraxacum officinale) |
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- | Anthemis tinctoria | + | |
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- | Carum Carvi | + | |
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- | Coriandrum sativum | + | |
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- | Foeniculum vulgare | + | |
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- | Helianthus maximilianii | + | |
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- | Tanacetum vulgare | + | |
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- | Taraxacum officinale | + | |
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LADYBUGS | LADYBUGS | ||
- | + | * Fern-leaf yarrow (Achillea filipendulina) | |
- | + | * Common yarrow (Achillea millefolium) | |
- | + | * Carpet bugleweed (Ajuga reptans) | |
- | + | * Basket of Gold (Alyssum saxatilis) | |
- | + | * Dill (Anethum graveolens) | |
- | + | * Golden marguerite (Anthemis tinctoria) | |
- | + | * Butterfly weed (Asclepias tuberosa) | |
- | + | * Four-wing saltbush (Atriplex canescens) | |
- | + | * Coriander (Coriandrum sativum) | |
- | + | * Queen Anne's lace (Daucus Carota) | |
- | + | * Buckwheat (Fagopyrum esculentum) | |
- | Achillea millefolium | + | * Fennel (Foeniculum vulgare) |
- | + | * Prairie sunflower (Helianthus maximilianii) | |
- | Ajuga reptans | + | * Rocky Mt. penstemon (Penstemon strictus) |
- | + | * Sulfur cinquefoil (Potentilla recta 'warrenii') | |
- | + | * Alpine cinquefoil (Potentilla villosa) | |
- | + | * Marigold - lemon gem (Tagetes tenuifolia) | |
- | Anethum graveolens | + | * Tansy (Tanacetum vulgare) |
- | + | * Dandelion (Taraxacum officinale) | |
- | Anthemis tinctoria | + | * Spike speedwell (Veronica spicata) |
- | + | * Hairy vetch (Vicia villosa) | |
- | Asclepias tuberosa | + | |
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- | Coriandrum sativum | + | |
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- | Fagopyrum esculentum | + | |
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- | Foeniculum vulgare | + | |
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- | Helianthus maximilianii | + | |
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- | Potentilla recta 'warrenii' | + | |
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- | Potentilla villosa | + | |
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- | Tanacetum vulgare | + | |
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- | Taraxacum officinale | + | |
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- | Veronica spicata | + | |
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- | Vicia villosa | + | |
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HOVERFLIES | HOVERFLIES | ||
- | + | * Fern-leaf yarrow (Achillea filipendulina) | |
- | + | * Common yarrow (Achillea millefolium) | |
- | + | * Carpet bugleweed (Ajuga reptans) | |
- | + | * Lavender globe lily (Allium tanguticum) | |
- | + | * Basket of Gold (Alyssum saxatilis) | |
- | + | * Dill (Anethum graveolens) | |
- | + | * Golden marguerite (Anthemis tinctoria) | |
- | + | * Dwarf alpine aster (Aster alpinus) | |
- | + | * Masterwort (Astrantia major) | |
- | + | * Four-wing saltbush (Atriplex canescens) | |
- | + | * Purple poppy mallow (Callirhoe involucrata) | |
- | Achillea millefolium | + | * Caraway (Carum Carvi) |
- | + | * Feverfew (Chrysanthemum parthenium) | |
- | + | * Coriander (Coriandrum sativum) | |
- | + | * Cosmos white sensation (Cosmos bipinnatus) | |
- | + | * Anne's lace (Daucus Carota Queen) | |
- | + | * Buckwheat (Fagopyrum esculentum) | |
- | + | * Fennel (Foeniculum vulgare) | |
- | + | * English lavender (Lavandula angustifolia) | |
- | Anethum graveolens | + | * Poached egg plant (Limnanthes douglasii) |
- | + | * Statice (Limonium latifolium) | |
- | + | * Butter and eggs (Linaria vulgaris) | |
- | + | * Edging lobelia (Lobelia erinus) | |
- | + | * Sweet alyssum - white (Lobularia maritima) | |
- | + | * Lemon balm (Melissa officinalis) | |
- | Astrantia major | + | * Pennyroyal (Mentha pulegium) |
- | + | * Spearmint (Mentha spicata) | |
- | + | * Wild bergamot (Monarda fistulosa) | |
- | + | * Rocky Mt. penstemon (Penstemon strictus) | |
- | + | * Parsley (Petroselinum crispum) | |
- | + | * Sulfur cinquefoil (Potentilla recta 'warrenii') | |
- | Carum Carvi | + | * Alpine cinquefoil (Potentilla villosa) |
- | + | * Gloriosa daisy (Rudbeckia fulgida) | |
- | Chrysanthemum parthenium | + | * Orange stonecrop (Sedum kamtschaticum) |
- | + | * Stonecrops (Sedum spurium & album) | |
- | Coriandrum sativum | + | * Peter Pan goldenrod (Solidago virgaurea) |
- | + | * Wood betony (Stachys officinalis) | |
- | + | * Marigold - lemon gem (Tagetes tenuifolia) | |
- | + | * Crimson thyme (Thymus serpylum coccineus) | |
- | + | * Spike speedwell (Veronica spicata) | |
- | + | * Zinnia - liliput (Zinnia elegans) | |
- | Fagopyrum esculentum | + | |
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- | Foeniculum vulgare | + | |
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- | Limonium latifolium | + | |
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- | Mentha pulegium | + | |
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- | Mentha spicata | + | |
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- | Petroselinum crispum | + | |
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- | Potentilla recta 'warrenii' | + | |
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- | Sedum spurium & album | + | |
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- | Thymus serpylum coccineus | + | |
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PARASITIC MINI-WASPS | PARASITIC MINI-WASPS | ||
+ | * Fern-leaf yarrow (Achillea filipendulina) | ||
+ | * Common yarrow (Achillea millefolium) | ||
+ | * Lavender globe lily (Allium tanguticum) | ||
+ | * Dill (Anethum graveolens) | ||
+ | * Golden marguerite (Anthemis tinctoria) | ||
+ | * Masterwort (Astrantia major) | ||
+ | * Purple poppy mallow (Callirhoe involucrata) | ||
+ | * Caraway (Carum Carvi) | ||
+ | * Coriander (Coriandrum sativum) | ||
+ | * Cosmos white sensation (Cosmos bipinnatus) | ||
+ | * Queen Anne's lace (Daucus Carota) | ||
+ | * Fennel (Foeniculum vulgare) | ||
+ | * Statice (Limonium latifolium) | ||
+ | * Butter and eggs (Linaria vulgaris) | ||
+ | * Edging lobelia (Lobelia erinus) | ||
+ | * Sweet alyssum - white (Lobularia maritima) | ||
+ | * Lemon balm (Melissa officinalis) | ||
+ | * Pennyroyal (Mentha pulegium) | ||
+ | * Parsley (Petroselinum crispum) | ||
+ | * Sulfur cinquefoil (Potentilla recta 'warrenii') | ||
+ | * Alpine cinquefoil (Potentilla villosa) | ||
+ | * Orange stonecrop (Sedum kamtschaticum) | ||
+ | * Marigold - lemon gem (Tagetes tenuifolia) | ||
+ | * Tansy (Tanacetum vulgare) | ||
+ | * Crimson thyme (Thymus serpylum coccineus) | ||
+ | * Zinnia - liliput (Zinnia elegans) | ||
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TACHINID FLIES | TACHINID FLIES | ||
- | + | * Golden marguerite (Anthemis tinctoria) | |
- | + | * Buckwheat (Fagopyrum esculentum) | |
- | + | * Lemon balm (Melissa officinalis) | |
- | + | * Pennyroyal (Mentha pulegium) | |
- | + | * Parsley (Petroselinum crispum) | |
- | + | * Phacelia (Phacelia tanacetifolia) | |
- | + | * Tansy (Tanacetum vulgare) | |
- | + | * Crimson thyme (Thymus serpyllum coccineus) | |
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- | Anthemis tinctoria | + | |
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- | Fagopyrum esculentum | + | |
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== Plants That Attract Butterflies == | == Plants That Attract Butterflies == |
Revision as of 22:37, 7 September 2007
A garden insectary is a small garden plot of flowering plants designed to attract and harbor beneficial insects. These "good insects" prey on many common garden insect pests and offer the gardener a safer, natural alternative to pesticides.
The garden insectary is a form of "companion planting," based on the positive attributes plants can share in deterring pests, acquiring nutrients, or attracting natural predators. By becoming more diverse with your plantings, you're providing habitat, picture of predatory wasp shelter, and alternative food sources (such as pollen and nectar), something many predators need as part of their diet.
Your insectary plot does not have to be large, just big enough to hold six to seven varieties of plants that attract insects. Once the garden has matured, you can watch your personal security force of beneficial insects do the work for you.
Natural Pest Control by Insect Species
Pest Insect | Predator Insect |
Aphids | Aphidius |
Aphids | Aphidoletes |
Thrips, spidermites, fungus gnats | Beneficial mites |
Eggs of many pest insects | Damsel bugs (Nabidae) |
Whiteflies, aphids, thrip, spider mites | Dicyphus |
Slugs, small caterpillars and grubs | Ground beetles |
Grubs | Spring Tiphia wasp |
Aphids, mealybugs and others | Hoverflies |
Scale, aphids, mites, soft-bodied insects | Lacewings |
Aphids, mites | Ladybugs |
Thrips, aphids, mites, scales, whiteflies | Pirate bugs |
Caterpillars; beetle and fly larvae | Tachinid flies |
Whiteflies; moth, beetle and fly larvae | Parasitic wasps |
What to Plant to Attract Beneficial Insects (Predator Insects)
Predator Insect | What to Plant (Insectary Plant) |
Lacewings, aphidius, ladybugs | Achillea filipendulina |
Hoverflies | Alyssum |
Ground beetles | Amaranthus |
Spring Tiphia wasp | Peonies, firethorn, forsythia |
Ichneumon wasp, ladybugs, lacewings | Anethum graveolens (dill) |
Lacewings | Angelica gigas |
Ladybugs, hoverflies | Convolvulus minor |
Hoverflies, parasitic wasps, lacewings | Cosmos bipinnatus |
Dicyphus | Digitalis |
Lacewings, ladybugs, hoverflies | Daucus carota (Queen Anne's lace) |
Damsel bugs, ladybugs, lacewings | Foeniculum vulgare (fennel) |
Pirate bugs, beneficial mites | Helianthus annulus |
Hoverflies | Iberis umbellata |
Hoverflies, parasitic wasps | Limonium latifolium (Statice) |
Aphidius, aphidoletes, hoverflies | Lupin |
Parasitic wasps, tachinid flies | Melissa officinalis (lemon balm) |
Parasitic wasps, hoverflies, tachinid flies | Petroselinum crispum (parsley) |
Pirate bugs, beneficial mites | Shasta daisy |
Pirate bugs, aphidius | Sunflowers |
Ladybugs, lacewings | Tanacetum vulgare (tansy) |
Dicyphus | Verbascum thaspus |
Tips and Suggestions for Your Garden Insectary
- Intersperse vegetable beds with rows or islands of insectary annuals. This will add decorative elements to your vegetable beds while luring beneficial insects toward prey.
- Allow some of your salad and cabbage crops to bloom. Brassica flowers (cabbage, broccoli, Brussels sprouts, bok choy) are also appreciated.
- Include plants of different heights in your insectary. Ground beetles require the cover provided by low-growing plants such as thyme, rosemary, or mint. Lacewings lay their eggs in shady, protected areas, so providing such places near crop plants is a good idea.
- Tiny flowers produced in large quantity are much more valuable than a single, large bloom. Large, nectar-filled blooms actually can drown tiny parasitoid wasps.
- Members of the Umbelliferae family are excellent insectary plants. Fennel, angelica, coriander, dill, and wild carrot all produce the tiny flowers required by parasitoid wasps.
- Composite flowers (daisy and chamomile) and mints (spearmint, peppermint, or catnip) will attract predatory wasps, hover flies, and robber flies.
General Gardening Advice for Attracting Bees and Other Pollinators
- Don’t use pesticides. Most pesticides are not selective. You are killing off the beneficial bugs along with the pests. If you must use a pesticide, start with the least toxic one and follow the label instructions to the letter.
- Use local native plants. Research suggests native plants are four times more attractive to native bees than exotic flowers. They are also usually well adapted to your growing conditions and can thrive with minimum attention. In gardens, heirloom varieties of herbs and perennials can also provide good foraging.
- Chose several colors of flowers. Bees have good color vision to help them find flowers and the nectar and pollen they offer. Flower colors that particularly attract bees are blue, purple, violet, white, and yellow.
- Plant flowers in clumps. Flowers clustered into clumps of one species will attract more pollinators than individual plants scattered through the habitat patch. Where space allows, make the clumps four feet or more in diameter.
- Include flowers of different shapes. There are four thousand different species of bees in North America, and they are all different sizes, have different tongue lengths, and will feed on different shaped flowers. Consequently, providing a range of flower shapes means more bees can benefit.
- Have a diversity of plants flowering all season. Most bee species are generalists, feeding on a range of plants through their life cycle. By having several plant species flowering at once, and a sequence of plants flowering through spring, summer, and fall, you can support a range of bee species that fly at different times of the season.
- Plant where bees will visit. Bees favor sunny spots over shade and need some shelter from strong winds.