EXTERMINATOR
INDIAN MOTHS
EXPERTS
OF INDIAN MOTHS
In the adult stage, the moth is a small butterfly with a 10 mm body and a 16 mm wingspan. The base of the forewings is whitish-gray with dark spots; the tip is reddish-brown with coppery highlights, crisscrossed with irregular bands. The hind wings are of a silver gray. The larva is a small caterpillar of 15 mm length, whitish or pinkish with the brown head. Its color varies according to the food it has ingested.
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FREQUENTLY ASKED QUESTIONS
ON INDIAN MOTHS
ALL ABOUT INDIAN MOTHS
Quel est le cycle de vie de la pyrale indienne ?
The female usually starts laying eggs 3 days after her emergence. She lays 200 to 400 eggs on or near food products she has infested. Under normal temperature conditions, hatching occurs 3 days later. The larval stage lasts about 40 days, but can last up to a year under unfavorable conditions. The larva, ready to pupate, weaves a cocoon on the surface of infested products or in adjacent cracks and crevices. It is only one to four weeks later that the butterfly emerges. When temperature conditions are favorable and food is abundant, there can be 4 and even 5 generations per year.
Comment se débarrasser de la pyrale indienne ?
- Hygiene of the storage place: A first preventive measure consists in ensuring a good hygiene of the places of storage of food. It is important to regularly clean these areas and check for signs of infestation. The cleanliness of the premises discourages the insect from settling and reproducing.
- Temperature and humidity control: The Indian moth prefers warm and humid environments. Controlling temperature and humidity can therefore help prevent infestation. Ideally, storage areas should be kept at a temperature below 20°C and a relative humidity below 60%.
- Proper food storage: Storing food in airtight containers can prevent the Indian moth from contaminating food. It is recommended to use glass or metal containers with tight fitting lids.
- Pheromone traps: These traps contain substances that mimic the pheromones (chemical signals) emitted by females to attract males. They are therefore very effective in capturing male Indian moths, which helps to reduce the population and prevent reproduction.
- Insecticides: In case of severe infestation, it may be necessary to use insecticides. However, their use must be carried out with caution and in accordance with the manufacturer’s instructions to avoid harmful effects on human health and the environment. It is best to hire a professional for this operation.
- Heat and cold treatment: Exposing infested produce to extreme temperatures (hot or cold) can also be effective in eliminating the Indian moth. For example, food can be placed in the freezer for several days or in the oven at a temperature of about 60°C for about 30 minutes.
It is important to note that a combination of several of these methods is usually more effective in getting rid of the Indian moth.
Comment éviter les infestations de pyrales indiennes ?
Examine all food and packaging brought home to ensure that it is free of parasites. Make sure the food you buy is fresh. Buy grain products in small quantities, especially in the summer. Keep excess food in airtight containers to prevent bugs from spreading to other foods. Do not store food for extended periods of time. When moths are present, the first step is to determine the source of the infestation and remove all contaminated food. It is important to check all stored products. A good cleaning of the infested places is necessary. It is necessary to eliminate all the cocoons that are found attached to the shelves, walls or ceiling. Cracks and joints are particularly important to watch out for. Removal of infested products and a good cleaning are often enough to solve the problem.
Qu’est-ce qui attire la pyrale indienne ?
The infestation is most often done by the introduction of already infested food products. When living near an infested area, adults can fly from one place to another.
Several food products are targeted by the Indian meal moth: flour, wheat, bran, dehydrated fruits, nuts, seed grains, chocolate, milk powder, etc. It occasionally consumes dried plant and animal substances such as insect collections, museum specimens, dried herbs and pet food. They often lay their eggs on corrugated cardboard. The damage is caused by the larvae. The infested food is tangled with silk threads and sheaths containing the excrement of the larvae. Butterflies can be seen flying in dark places, but they hide from the light.
Quand s’inquiéter des pyrales indiennes ?
It is appropriate to be concerned about the presence of Indian moths as soon as signs of infestation appear. These signs may include the presence of small cream to reddish-brown butterflies, 6 to 7 mm long with a wingspan of 13 to 20 mm. Their larvae, whitish to cream-colored caterpillars 8 to 12 mm long, may also indicate an infestation.
These insects are particularly harmful because they can contaminate food products. If you notice punctured or soiled food packages, or food infested with silk threads, larval excrement or larval exuviae, you probably have an Indian moth infestation.
Infestation can cause significant economic losses, particularly in the food and agriculture industries, and can also pose human health risks due to food contamination.
It is therefore recommended that steps be taken to control the infestation as soon as possible. These measures may include thorough cleaning of food storage areas, proper storage of food, use of pheromone traps, heat or cold treatment of infested products, or, in the case of severe infestation, use of insecticides under professional guidance.
Name | INDIAN MOTH S |
---|---|
Class | Insects |
French name | Indian Meal Moth |
Latin name | Plodia interpunctella |
Length | 6 to 7 mm and 13-20 mm open wings |
Color | Wings : bicolored and white or light grey Body : cream to grey |
Life | 28 to 55 days |