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Plants that Attract Beneficial Insects

Insects require nectar and undisturbed soil habitat. The adults of many predatory insects must sip nectar or feed on pollen to have the energy to lay eggs. The larvae (in the case of ladybugs the adults also) feed on aphids, caterpillars, thrips, mites, scales, mealybugs and other insects.

Equally important is an ample supply of water for the insects. Research showed that aphid midges (Aphidoletes aphidimyza) laid considerably more eggs with a constant source of water than without. Shallow dishes filled with water or birdbaths and a couple rocks protruding from the water surface work really well.

Of course good mulching practices provide habitat for all kinds of predacious beetles and other small animals.

This web link to the beneficial organisms page of the University of Florida is wonderful, and you can also click on the links in the right hand column of the table below for more information on those specific insects.

Photo: Carolyn Herriott

 

Ornamental plants that attract beneficial insects to the garden
(Compiled from many different university publications)

Botanical name

Common name

Insects attracted
(common name)

Achillea spp.

Yarrow

Ladybugs, parasitic wasps, lacewings, syrphid flies

Ailanthus altissima

Tree of heaven

Syrphid flies, chloropid flies, braconid wasps, ichneumonid wasps, lacewings

Ajuga reptans

Carpet bugleweed

Syrphid flies, ladybugs

Allium spp.

Allium

Parasitic wasps,

Allium tanguticum

Vender globe lily

Syrphid flies

Alyssum spp.

Perennial alyssum

Lots

Amaranthus spp.

Love-Lies-Waiting

Ground beetles

Ammi majus

Queen Anne's lace

Parasitic wasps, pirate bugs, syrphid flies

Anethum spp.

Dill

Aphid midge, lacewings, ladybugs, syrphid flies, parasitic wasps, and many others

Angelica gigas

Angelica

Lacewings, lady beetles, sand wasps

Anthemis spp.

Golden marguerite

Parasitic wasps, tachinid flies, lacewings, ladybugs, syrphid flies

Agrostemma spp.

Corn cockle

Ladybugs, parasitic wasps

Asclepias spp.

Butterfly weed

Ladybugs

Aster spp.

Aster

Syrphid flies

Astrantia major

Masterwort

Syrphid flies, parasitic wasps

Atriplex canescens

Four-wing Saltbush

Lacewings, ladybugs, syrphid flies, sand wasps

Aurinia saxatilis

Basket-of-gold

Syrphid flies

Buddleia spp.

Butterfly bush

Lots

Calendula spp.

Calendula

Lots

Callirhoe involucrata

Purple poppy mallow

Lacewings, syrphid flies, parasitic wasps

Carum carvi

Caraway

Tachinid flies, lacewings, syrphid flies, parasitic wasps, damsel bugs

Ceanothus spp.

California lilac

Lots

Cheiranthus spp.

Wallflower

Lots

Chrysanthemum maximum

Shasta daisy

Lots

Chrysanthemum parthenium

Feverfew

Syrphid flies

Convulvulus tricolor

Morning glory

Syrphid flies

Coriandrum sativum

Coriander

Lacewings, ladybugs, syrphid flies, parasitic wasps

Cosmos bipinnatus

Cosmos

Big-eyed bugs, lacewings, ladybugs, damsel bugs, minute pirate bugs, tachinid flies, syrphid flies, parasitic wasps

Cosmos 'Diablo'

Cosmos Diablo

Lacewings

Cosmos 'Sunny Red'

Cosmos Sunny Red

Parasitic wasps

Coriandrum sativum

Coriander

Syrphid flies, parasitic wasps, pirate bugs, tachinid flies

Coreopsis spp.

Tickweed

Syrphid flies, lacewings, ladybugs, parasitic wasps

Crocus spp.

Crocus

Braconid wasps

Daucus carota

Queen Anne's lace (Wild carrot)

Lacewings, predatory wasps, minute pirate bugs, tachinid flies, ladybugs, syrphid flies, parasitic wasps, big-eyed bugs

Echinacea spp.

Coneflower

Lots

Eriogonum spp.

Wild buckweed

Syrphid flies, minute pirate bugs, big-eyed bugs, parasitic wasps, sand wasps, tachinid flies, chloropid flies

Erysimum spp.

Perennial wallflower

Lots

Euonymus japonica

Evergreen euonymus

Lacewings, chloropid flies, tachinid flies, syrphid flies, chalcidic wasps, braconid wasps, ichneumonid wasps, ladybugs

Foeniculum vulgare

Fennel

Syrphid flies, lacewings, ladybugs, paper wasps, soldier bugs, parasitic wasps, big-eyed bugs, damsel bugs, minute pirate bugs, predatory wasps, tachinid flies, brachonid wasps, sand wasps

Hedera spp.

Ivy

Syrphid flies, tachinid flies, braconid wasps, sand wasps

Helianthus maximilianii

Prairie sunflower

Lacewings, ladybugs

Heliotropium arborescens

Heliotrope

Lots

Iberis spp.

Candytuft

Lots

Lavandula spp.

Lavender

Syrphid flies

Layia platyglossa

Tidytips

Parasitic wasps, pirate bugs

Limnanthes douglasii

Meadowfoam / poached egg plant

Syrphid flies

Limonium latifolium

Statice

Syrphid flies, parasitic wasps

Linaria vulgaris

Butter and eggs

Syrphid flies, parasitic wasps

Lobelia erinus

Lobelia

Syrphid flies, parasitic wasps

Lobularia maritima

Annual (Sweet) alyssum

Syrphid flies, lacewings, parasitic wasps, pirate bugs, chalcidic wasps, tachinid flies

Lychnis coronaria

Crown pink

Syrphid flies, parasitic wasps

Medicago sativa

Alfalfa

Minute pirate bugs, big-eyes bugs, damsel bugs, assassin bugs, lady bugs, parasitic wasps

Melissa officinalis

Lemon Balm

Tachinid flies, syrphid flies, parasitic wasps

Mentha pulegium

Pennyroyal

Tachinid flies, syrphid flies, parasitic wasp, damsel bugs

Mentha spicata

Spearmint

Syrphid flies, tachinid flies, damsel bugs

Monarda spp.

Beebalm

Syrphid flies

Nemophilia menziesii

Baby blue eyes

Parasitic wasps, pirate bugs, syrphid flies

Oenothera laciniata,
O. biennis

Evening primrose

Ground beetles

Penstemon strictus

Rocky Mt. Penstemon

Ladybugs, syrphid flies

Petroselium crispum

Parsley

Tachinid flies, parasitic wasps, syrphid flies

Phacelia tanacetifolia

Phacelia

Tachinid wasps

Pieris spp.

Pieris

Ichneumonid wasps

Polygonum aubertii

Silver lace vine

Tachinid flies, syrphid flies

Potentilla spp.

Potentilla

Syrphid flies, parasitic wasps, ladybugs, parasitic wasps

Reseda odorata

Mignonette

Lots

Robinia pseudoacacia

Black locust

Ladybugs

Rosmarinus officinalis

Rosemary

Syrphid flies

Rudbeckia 'Double Gold'

Gloriosa daisy

Syrphid flies

Ruta graveolens

Rue

Mud wasps, potter wasps, ichneumonid wasps

Salvia spp.

Sage

Lots

Schizanthus spp.

Schizanthus

Lots

Sedum kamtschaticum

Orange stonecrop

Syrphid flies, parasitic wasps

S. spurium,
S. album

Stonecrop

Syrphid flies

Solidago spp.

Goldenrod

Syrphid flies, tachinid flies, damsel bugs, predacious beetles, big-eyes bugs, ladybugs, spiders, parasitic wasps, long-legged flies, assassin bugs

Stachys spp

Stachys

Syrphid flies

Symphoricarpos spp.

Snowberry

Syrphid flies, tachinid flies

Tagetes tenuifolia

Marigold

Tachinid flies, ladybugs, parasitic wasps

Tagetes 'Lemon Gem'

Marigold

Ladybugs

Tagetes 'Golden Gem'

Marigold

Syrphid flies

Tanacetum vulgare

Tansy

Lacewings, ladybugs, parasitic wasps, pirate bugs, tachinid flies, insidious flower bugs, lacewings

Taraxacum officinale

Dandelion

Lacewings, ladybugs

Thymus spp.

Thyme

Lots

Trifolium incarnatum

Crimson clover

Minute pirate bugs, big-eyed bugs, ladybugs

Trifolium repens

White clover

Parasitic wasps

Verbena spp.

Verbena

Lots

Veronica spicata

Speedwell

Syrphid flies, ladybugs

Vicia villosa

Hairy vetch

Ladybugs

Zinnia elegans

Zinnia

Parasitic wasps, syrphid flies

 

 

 
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