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Questions and answers

Question: Does it make sense if I use insecticides in addition to the Trichogramma insects?

Answer: No, definitely do not use insecticides during the treatment with Trichogramma insects. Also do not use strong household cleaners (e.g. chlorine or bleach) because they will kill the micro-insects.
You should also avoid oils or other products containing fragrances.

Question: Why does it take longer to eradicate the clothes moths?

Answer: Clothes moths must be treated longer and with higher doses of Trichogramma insects because it is more difficult for the Trichogramma to find the moth eggs in certain types of clothes, especially in pullovers containing cashmere or in thick carpets. Secondly, the reproductive cycle of the clothes moth is longer than that of the food moths.

Question: Since food moths fly around all the rooms, does that mean that the eggs and larvae will be also in every room?

Answer: No, the food moths lay their eggs only in places where food supplies are stored. Place the Trichogramma cards only near dry food or next to decorations made of natural materials (dried flowers or straw). Even if the food is completely packed in plastic, paper or aluminium the cards have to be placed next to it because the moths and their larvae can smell the food, chew through the packing with their strong mandibles and reach the food.

Question: Clothes moths - can they also infest the kitchen?

Answer: No, they feed only on clothing fibres and their eggs and larvae remain in the places where clothes and carpets are. Although the clothes moth (Tineola bisselliella) and the pantry moths (Plodia interpunctella) are related (they are both moths) clothes moths eat exclusively fibres from clothing and carpets or animal fibres. Sometimes also cotton or silk is attacked. In contrast, pantry moths eat only dry food, dried flowers and straw products.

Question: After the invasion of moths can there be an outbreak of the Trichogramma insects? What will become of these micro-insects?

Answer: There will be no invasion of Trichogramma insects. These micro-insects lay their own eggs inside the moth eggs and destroy them. This is their only way of reproduction. Once there are no more moth eggs left, the micro-insects will disappear as well. (They simply turn to dust or leave the apartment).

Question: Are these micro-insects dangerous?

Answer: The micro-insects are completely harmless. They are so small that you can hardly see them with the naked eye. They search for moth eggs by walking and usually do not fly.

Question: Are the Trichogramma insects harmful to humans or animals?

Answer: The Trichogramma insect do not affect or disturb humans and animals in any way. They are neither interested in humans or animals, nor in furniture or food: they only search for moth eggs! When all moth eggs have been found and destroyed the Trichogramma insects will die a few days later or they will leave the apartment.

Question: I am going on vacation, when should I start with the Trichogramma treatment?

Answer: If you are away for up to 3 weeks, please send us an e-mail message in advance with your travel schedule so we will dispatch the Trichogramma cards to you before and after your travel. During a longer absence ask a relative, friend or neighbour to place the Trichogramma cards when they arrive by mail.


Question: Where do the food moths and clothes moths come from?

Answer: Infestations by pantry moths or clothes moths is not caused by a lack of hygiene. Usually you get infested when you purchase contaminated food or dry animal food. Important: check all your purchases of dry food and dispose of infested food immediately in an outside bin.

Clothes moths are usually already present in carpets or on clothing when you buy them. Unfortunately, the larvae are so small that they can not be seen with the naked eye.

Question: How can I store my food in a moth-proof way?

Answer: It helps to store dry food in Tupperware or Tupperware-like boxes. The moth larvae cannot penetrate hard plastic with their mandibles. However they easily chew through thin plastic, aluminium or paper packing.

Question: How many packs of Trichogramma do I need against food moths?

Answer: One pack is enough for a normal kitchen with one or two shelves or drawers and a shelve with herbs and spices. For a large kitchen, a severe infestation of moths or an extra pantry or storeroom (e.g. with potatoes or grain), we recommend to buy two or more packs. Ask yourself the following questions:

Do I have in any other places where food is kept?
In my living room: cookies, chips, chocolate, coffee, tea?
Do you keep dried flowers? Straw decorations? Pet food or bird seeds?
Chestnuts or walnuts for decoration?
A bird or hamster cage with litter or food?
Dry pet food for dogs or cats?

One pack of Trichogramma insects contains 4 cards. You must put at least one card in all the places mentioned above.

Question: I have treated my house with insecticides. When can I start using the Trichogramma insects?

Answer: Wait for 2 weeks after the application of insecticides. These will then have been absorbed sufficiently to be harmless for the Trichogramma insects.

Question: How many packs of Trichogramma do I need against clothes moths?

Answer: For each cloth cabinet 60 cm to 1 meter wide and about 2 meters high, you should use at least 2-4 cards. It depends on how much clothing with animal hair like cashmere it contains or if you have a severe infestation. (In one pack there are 4 cards).

Tip: You can place thick cashmere pullovers in a plastic bag and put them in a freezer for 48 hours. This will kill any moth eggs and larvae. However this will not eradicate the moths because not all eggs are laid directly on the clothing.
Carpets: Use one card for about 4-5 square meter of carpet. Place the card directly on the carpet or slide it under the edge of the carpet so that the thickened side (about 1 cm) sticks out.

During the treatment check your clothes regularly in order to find out if other places are infested. Clothes moths attack all textiles composed of animal hair: wool clothing, wool carpets, cashmere and felt products, real furs and animal skins. These materials are very attractive to moths.

Question: The food moths fly around everywhere in the apartment. Where do I put the cards?

Answer: The food moths only lay their eggs next to dry food. Place the cards on a shelf where dry food is stored or has been stored recently. From there, the Trichogramma insects will find all the moth eggs and destroy them.

Question: I do not have any food left. How can the moths and larvae still survive?

Answer: Food moths do not eat during the adult (moth) stage. They only eat as larvae. Larvae are extremely tough and may even survive on small crumbs which lie behind a cabinet or are hidden in small cracks. Do not forget, larvae also eat straw and dried flowers. They can enter packages that are not closed completely or that are not vacuum sealed.

Question: Do moth traps help?

Answer: Moth traps contain the female pheromones of moths and they only attract male moths. Female moths will not be interested in moth traps. Male moths will already have fertilized several females, which then lay up to 300 eggs. Some of the males (but not all) will be trapped if no female moths are around.

Question: How long does the food moth live?

Answer: The development of the food moth will take between 30 and about 74 days depending on various factors such as temperature or humidity. The adult moth lives about 10 to 14 days without food. It eats only in the larval stage.
When do the larvae hatch?
The larvae hatch after 3-4 days from the eggs and can grow up to 17 mm long. The development from egg to moth takes about 32 to 38 days. The food moths prefer warmer temperatures and can produce several generations per year.

Question: What do I receive if I buy one pack against pantry moths?

The order of one pack against pantry moths includes 4 shipments. With each shipment you will receive 4 cards with Trichogramma larvae. These will hatch after their arrival by mail over a period of about 2-3 weeks. Then you will receive a 2nd delivery, again with 4 cards. Replace the old cards with the new ones. After another 2 weeks you will receive a 3rd shipment. Finally, after another 2 weeks you will receive the 4th and last shipment. This is necessary in order to make sure that the reproductive cycle of the pantry moth is interrupted.
Please do not open the cards - the Trichogramma insect will emerge from slits at the side of the cards.

Question: How do I use the cards against pantry moths?

Place the cards only in places where you store dry food. The food moths lay their eggs only in the vicinity of dry food.

Question: What do I receive if I buy a pack ANTI clothes moths?

The order of one pack against pantry moths includes 8 shipments. With each shipment you will receive 4 cards with Trichogramma larvae. After their arrival by mail the Trichogramma will emerge from the cards over a period of about 2-3 weeks. After that time you will receive a 2nd delivery, again containing 4 cards. Replace the old cards with the new ones. After another 2 weeks you get a 3rd shipment. Then every 2 weeks you will receive a 4th, 5th, 6th, 7th and the final 8th shipment. This is necessary in order to make sure that the reproductive cycle of the clothes moth is interrupted.

Please do not open the cards - the Trichogramma insects will emerge from lateral slits in the cards.

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AMW England
Ilse Wührer
18 Heath Street
Newcastle under Lyme
Staffordshire
ST5 2BU

info@pantry-moths.co.uk



AMW GmbH
Außerhalb 54
D-64319 Pfungstadt
Germany



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