What is larger grain borer?
The larger grain borer is a serious pest of stored maize and dried cassava roots, and will attack maize on the cob, both before and after harvest. Adults bore into the cassava or maize husks, cobs or grain, making neat round holes and tunnelling extensively producing large quantities of grain dust as they tunnel.
What is the scientific name of larger grain borer?
(larger grain borer)
What does the larger grain borer do?
The larger grain borer (sometimes called greater grain borer) (Prostephanus truncatus, Horn) is a tiny exotic beetle that causes significant damage to stored maize (corn) and cassava tubers overseas. The insect also invades wheat, triticale and sorghum.
Do bean weevils bite?
Bean weevils do not pose threats to human or animal health as they do not bite or sting, but do cause extensive damage to live bean plants and dry stored beans, resulting in expensive losses in crops and food supplies.
Do weevils infest beans?
Bean weevils infest only whole beans and other legumes and do not infest other types of stored foods such as cereals or whole grains.
Can you eat rice if it has weevils?
Yes, it is completely safe to eat weevils, including the eggs, larvae, and adult weevils. However, just as you would with meat, it’s recommended that you cook them first. Cooking kills any bacteria or parasites which may be in the weevils.
What does a bean weevil look like?
Bean weevils are generally compact and oval in shape, with small heads somewhat bent under. Sizes range from 1 to 22 mm for some tropical species. Colors are usually black or brown, often with mottled patterns. Although their mandibles may be elongated, they do not have the long snouts characteristic of true weevils.
How do I protect my beans from weevils?
How to Prevent Bean Weevil Infestations
- Seal or caulk any cracks and holes in your pantry and in your home in general.
- Store dried food products in air-tight metal, glass or hard plastic containers.
- Check bean packaging for compromised surfaces, such as tears and holes.
Why do rice turn into maggots?
If you are wondering if rice turns into maggots, here is a quick and straightforward answer: All rice has larvae in it. At room temperature, the larva will hatch, and become maggots. They will find their way on how to escape the bag, then crawl around as maggots outside.
What kind of pest is the larger grain borer?
The larger grain borer (LGB) is a major pest of stored crops, such as maize, dried cassava roots and yams. Although it is considered a post-harvest pest, the LGB attacks maize both before and after harvest.
What’s the difference between the LGB and the lesser grain borer?
It is possible to confuse the LGB with other storage insect pests such as the lesser grain borer ( Rhyzopertha dominica) and the maize weevil ( Sitophilus zeamais ). The lesser grain borer is about 2-3 mm long, dark red-brown with a body that is more rounded at the end and narrower than that of the LGB.
Which is larger Prostephanus truncatus or lesser grain borer?
(October 2012) Prostephanus truncatus is commonly referred to as “larger grain borer” with reference to the related Rhyzopertha dominica, which is relatively smaller in length, hence is referred to as the “lesser grain borer”.
When was the grain borer introduced to Tanzania?
The larger grain borer (LGB) was probably introduced to Tanzania in the late 1970s since when it has spread throughout the East African Region and to other parts of Africa. It is a pest of stored maize and dried cassava.