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We have put together many of the questions our customers have about biological protection and pollination systems. If you are unable to find an answer to your question here, drop us a line. Use the Ask our Expert button at the left to send an e-mail with your specific question or to leave your comments about our products, the web site or your gardening success stories with Koppert.

If releasing beneficial insects outdoors, will I need to reorder after a rainfall? How soon can I water?
Rainfall will have little effect on your beneficial insects. You should water as you normally would.

How can I tell the beneficial insects are working and how long will it take to see results?
You will be able to see that beneficial insects are working when you notice that pest numbers are beginning to decrease. It will usually take about 3 weeks to observe significant decreases in pest numbers.

Will the beneficial insects and bumblebees result in a decrease in naturally occurring beneficial insects and pollinators?
No. In fact, usually the opposite will occur.

Once I receive my insect products from Koppert, when should I apply them?
Koppert products should be applied as soon as possible after they arrive at your home.

Are Koppert beneficial insects temperature sensitive?
Yes. Most products are very temperature sensitive and should not be exposed to thermal extremes. As a rule of thumb, if you receive a product and must wait a short time before applying it to your plants, you may store the package in your household refrigerator for 1 - 2 days.

At what temperatures do Koppert beneficial insects work best?
To work properly, most products require warm temperatures in the growing area. As a rule of thumb, if the temperature is OK for the pest, it is OK for the beneficial insect. Guidelines for correct temperatures are included in each shipment.

Is biological control a "quick fix" for my insect problem?
No. Biological control takes time to work, but the results can be worth the wait. If used correctly, beneficial insects will provide effective pest insect control without the use of toxic chemicals.

How soon after spraying a pesticide can I release beneficial insects and bumblebees?
It depends on the chemical that is used. To answer your specific questions, visit the Koppert worldwide website (www.koppert.com) and utilize the online "Side Effects Guide", or order the print addition available on this website.

How are Koppert beneficial insects packaged?
Koppert uses the latest packaging techniques in order to provide a suitable transportation environment for each species of beneficial. Product forms range from predatory mites in plastic bottles with vented caps to parasitic nematodes in plastic blister packs. Every package is specially designed to provide each beneficial insect product with the best shipping environment possible.

What is the shipping point for Koppert products?
In the USA, all Koppert products are shipped from our home office in Howell, Michigan. In Canada, our products are shipped from our distribution center in Scarborough, Ontario.

How fresh are the products when I receive them from Koppert?
Every Koppert beneficial insect is produced and supplied fresh each week. Koppert does not ship outdated products.

Are Koppert beneficial insects suitable for outdoor use?
Yes. In many cases they can prove to be a valuable tool in the home garden. Read the recommendations for each product carefully to see where it can be used.

How do beneficial insects control insect pests?
Generally, beneficial insects are either predators or parasitoids. Predators eat their prey while parasitoids use pest insects as a host for reproduction. In both situations, they can reduce pest populations to the point where they are not a danger to your plants.

What happens to the Koppert beneficial insects when all the pest insects are gone?
Koppert biological controls are dependent on a population of natural enemies for their survival. In an ideal biological control system, there will always be a population of beneficial insects and pests in order to keep a natural balance. However, in most situations, the beneficial insects tend to disappear once the pest species has been eradicated.

Can Koppert beneficial insects be harmful to humans or pets?
Not at all. Koppert products can only have a negative effect on their natural enemies.

Can Koppert beneficial insects be harmful to plants?
No. Beneficial insects are chosen for their ability to control pests and do not cause plant damage.

Should I be concerned about introducing Koppert biological pest control insects into the environment? Can they cause damage or affect natural ecosystems?
No. All of the Koppert beneficial insects are naturally occurring parts of our native ecosystems.

Where are Koppert beneficial insects produced and sold?
Koppert is the largest producer of beneficial insects in the world. We have insectaries in both Europe and the USA, plus co-operative production arrangements with many other producers of specialty beneficial insects.
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