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.
How do I dispose of a large grain borer?
A mixture of neem and pyrethrum known as “Nimpyr” seems to be effective against LGB and grain weevils. Fumigation with phosphine or methyl bromide is very effective in large-scale stores.
What is the scientific name of larger grain borer?
(larger grain borer)
What insect feeds on wheat?
granary weevil
The wheat weevil (Sitophilus granarius), also known as the grain weevil or granary weevil, is an insect that feeds on cereal grains, and is a common pest in many places. It can cause significant damage to harvested stored grains and may drastically decrease crop yields.
Is moth a storage pest?
The main storage pests, apart from rodents, are beetles and moths. Some pests such as grain borers, weevils and Angoumois grain moths are able to feed on whole, healthy grains, they are considered primary pests.
How do you control lesser grain borer?
Removing spilt grain from around storage facilities can reduce lesser grain borer populations. So far the use of resistant varieties has not been utilised as a control method. The removal of adult insects from the grain by sieving can reduce populations but this is very labour-intensive.
What is the scientific name of bean weevil?
BruchinaeBean weevil / Scientific name
What do grain insects look like?
Grain beetles are small (2 to 3 mm long) bugs that can either be colored reddish-brown or black. Grain beetles have a head, thorax and abdomen and six legs. Have wings and can fly (Although, it looks like they don’t have wings).
What does a grain weevil look like?
The adult is dull reddish-brown to black, with four reddish-yellow spots on its back. The larvae are soft, white grubs with no legs. Pupae are similar to adults with long snouts, but they are white.
How are the stored grains damaged?
Most insects of stored grains develop at an optimum temperature range of about 25–30°C. The most damaging insect pests associated with grain damage in storage are beetles and moths. Their larvae hatch from eggs, then tunnel into and develop inside the grains, leaving round exit holes upon emerging as adults.
What is grain pest any five?
Rice weevil: Sitophilus oryzae, S. zeamais, S.granarius. Khapra beetle: Trogoderma granarium. Lesser grain borer/Hooded grain borer/paddy borer beetle: Rhyzopertha dominica. Angoumois grain moth or Grain moth: Sitotroga cerealella.
What does lesser grain borer eat?
Lesser grain borers are found all over the world. Closely related to Powder Post Beetles, lesser grain borers are able to eat cellulose products like books, boxes, furniture and anything made of wood. However, they prefer grain like wheat, corn and sorghum.