Tip of the week

pest problems

How to use the Pest / Beneficial Insect chart


Find your pest in the left column on the chart below. The next column tells you our recommended solution. The third column gives you information about the rate at which to apply the insects or the application method. And the last column gives you tips on how to use the products.

For more detailed information on application, go to the Products section, look up the beneficial insect and click on "click for directions". For Beneficial Nematodes there are 3 ways to mix them for application. The third column tells you which of the 3 to use. Be sure to check the Beneficial Nematode directions for more information.

 

Orcon PEST / BENEFICIAL INSECT INFORMATION CHART

Pest Insect Beneficial Insect Rate or Method Release info
Aphids Green Lacewing 2 per sq foot Use 3 releases every 2 weeks
(Crysopa carnea) 10k to 50k per acre
500 - 1000 per tree
Ladybugs 2 - 5 per sq foot Use 4 releases at 3 day intervals
(Hippodamia convengens) 1 gallon per 1/4 acre
Artichoke Moth Larvae Beneficial Nematodes Spray Spray Artichoke heads
(Steinernema feltiae)
Armyworms Beneficial Nematodes Spray Spray everywhere
(Steinernema feltiae)
Black Currant Borers Beneficial Nematodes Spray Spray cutting and bushes
(Steinernema feltiae)
Black Vine Weevils Beneficial Nematodes Top Dressing Hoe into soil or add to potting soil
(Steinernema feltiae)
Brown garden snail Decollate Snails .1 - 1 per square foot Use as needed
(Rumina decollata)
Cabbage Root Maggots Beneficial Nematodes Top Dressing Put in seed furrows or on roots
(Steinernema feltiae)
Carpenter Worms Beneficial Nematodes Injection Inject Burrows
(Steinernema feltiae)
Caterpillars (includes Trichogramma 1 - 5 per sq foot Try to release during egg laying periods
over 200 species of (Trichogramma pretiosum) 40k to 200k per acre Releasing at 1 week intervals improves effectiveness
Lepidopterous insects)
Chinch Bugs Beneficial Nematodes
(Steinernema feltiae)
Codling Moth Trichogramma 1 - 5 per sq foot Try to release during egg laying periods
(Trichogramma pretiosum) 40k to 200k per acre Releasing at 1 week intervals improves effectiveness
Beneficial Nematodes Spray Spray tree trunks in Fall, Spring, Summer
(Steinernema feltiae)
Corn Borers Trichogramma 1 - 5 per sq foot Try to release during egg laying periods
(Trichogramma pretiosum) 40k to 200k per acre Releasing at 1 week intervals improves effectiveness
Corn Earthworms Trichogramma 1 - 5 per sq foot Try to release during egg laying periods
(Trichogramma pretiosum) 40k to 200k per acre Releasing at 1 week intervals improves effectiveness
Beneficial Nematodes Spraying Spray or inject silks weekly
(Steinernema feltiae)
Corn Rootworms Beneficial Nematodes Top Dressing Apply in seed furrows
(Steinernema feltiae)
Cotton Bollworms Trichogramma 1 - 5 per sq foot Try to release during egg laying periods
(Trichogramma pretiosum) 40k to 200k per acre Releasing at 1 week intervals improves effectiveness
Crane Fly Larvae Beneficial Nematodes
(Steinernema feltiae)
Cucumber Beetles Beneficial Nematodes Top Dressing Mix in mulch or apply in seed furrows
(Steinernema feltiae)
Cutwroms Beneficial Nematodes Top Dressing Apply as mulch, keep moist
(Steinernema feltiae)
Earwigs Praying Mantids
(Tenodera aridifolia sinensis)
Fire Ants Beneficial Nematodes 1 million BN per ant hill Mix contents with 3 1/2 gal of water. Pour 1/2 gal
(Steinernema feltiae) of the mixture down each ant hill
Flea Larvae Beneficial Nematodes Spraying Spray on lawns or soil, keep moist
(Steinernema feltiae)
Flea Beetles Beneficial Nematodes Top Dressing Mix in mulch or apply in seed furrows
(Steinernema feltiae)
Flies (manure flies) Fly Parasites 1000 per large animal Release every 2 weeks during fly season
(Mixed species)
Fruit Fly-Grey Fly Parasites 1000 per large animal Release every 2 weeks during fly season
(Mixed species)
Beneficial Nematodes
(Steinernema feltiae)
Fungus Gnat Beneficial Nematodes Top Dressing Mix into potting soil
(Steinernema feltiae)
Grubs Beneficial Nematodes Release when pests are in larval state in soil.
(Steinernema feltiae)
Gypsy Moth Beneficial Nematodes Spraying Spray on lawns to kill migrating larvae
(Steinernema feltiae)
Japanese Beetle Grub Beneficial Nematodes Spraying Spray on lawns or Mix into mulch
(Steinernema feltiae)
June Bugs Beneficial Nematodes
(Steinernema feltiae)
Leather Jackets Beneficial Nematodes Injection Inject into soil or mulch
(Steinernema feltiae)
Mealybugs Cryptolaemus .5 - 1 per sq foot Use at first appearance of mealybug and
500 - 5000 per acre continue as needed.
Mole Cricket Beneficial Nematodes Top Dressing Apply to burrows, keep moist
(Steinernema feltiae)
Onion Maggots Beneficial Nematodes Top Dressing Apply to furrows, keep moist
(Steinernema feltiae)
Poplar Clearerwing Borers Beneficial Nematodes Injection Inject burrows
(Steinernema feltiae)
Raspberry Crown Borers Beneficial Nematodes Top Dressing Mix into soil near base
(Steinernema feltiae)
Root knot Nematodes Beneficial Nematodes
(Steinernema feltiae)
Scale - hard Aphytis melinus 1 per 20 scales Use 3 releases at 2 week intervals
(red, yellow) 1 per 2 sq feet
10,000 per acre
Green Lacewings 2 per sq foot Use 3 releases every 2 weeks
(Crysopa carnea) 10k to 50k per acre
500 - 1000 per tree
Scale - soft Metaphycus helvolus 1 per 20 scales Use 4 releases at 10 day intervals
(brown, black) 1 per 2 sq feet
3000 per acre
Snails Decolatte Snails Water then release in Put them out in groups of 3 or 4 in areas where they
the evening are likely to find brown snails.
Sod Webworms Beneficial Nematodes Spraying Spray onto sod, keep moist
(Steinernema feltiae)
Spider Mites Predatory Mites 2 - 5 per plant Use as needed
(Phytoseliulus persimilis) .5 - 1 per sq foot
1k - 30k per acre
Spruce Budworms Trichogramma 1 - 5 per sq foot Try to release during egg laying periods
(Trichogramma pretiosum) 40k to 200k per acre Releasing at 1 week intervals improves effectiveness
Squash Vine Borer Larvae Beneficial Nematodes
(Steinernema feltiae)
Strawberry Weevils Beneficial Nematodes Top Dressing Mix into soil and/or apply to roots
(Steinernema feltiae)
Thrips Green Lacewings 2 per sq foot Use 3 releases every 2 weeks
(Crysopa carnea) 10k to 50k per acre
500 - 1000 per tree
Ultra Fine Oil
Tobacco Budworms Beneficial Nematodes Spraying or Injection Spray or Inject flowerbuds weekly
(Steinernema feltiae)
Tomato Horn Worms Trichogramma 1 - 5 per sq foot Try to release during egg laying periods
(Trichogramma pretiosum) 40k to 200k per acre Releasing at 1 week intervals improves effectiveness
Weevils Beneficial Nematodes 7 million per 1000 sq ft Release when pests are in larval state in soil.
(Steinernema feltiae) 1 billion per 3.5 acres Spray into tree trunks for borers.
Whitefly Encarsia Formosa 5 parasites per plant Use 4 releases at 2 week intervals
2 - 4 per sq foot
Delphastus .1 per sq foot Use as needed
(Delphastus pusillus) 25 per 250 - 500 sq feet
Green Lacewings 2 per sq foot Use 3 releases every 2 weeks
(Crysopa carnea) 10k to 50k per acre
500 - 1000 per tree
White Grubs Beneficial Nematodes Spraying Spray or Mix into soil
(Steinernema feltiae)
Wireworms Beneficial Nematodes Top Dressing Apply to seed furrows or transplant roots
(Steinernema feltiae)
Wooly Aphids Beneficial Nematodes
(Steinernema feltiae)