Stored Product Insects
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Angoumois Grain Moth – Sitotroga cerealla

General
The adult open wingspan is 10mm-23mm. Adult moths have pale yellow forewings and grey pointed hindwings. The wings are narrow with wide fringes. Identification is unreliable – seek expert help.

Significance
It requires whole grain or caked material to develop. By preference the female lays her eggs in barley, rye, corn, oats, rice and various seeds. Development of an infestation causes considerable heating and increase in moisture of grain.   

Control
Infested commodities should be destroyed or failing this fumigated. Following this the application of a residual insecticide to cracks and crevices, wall floor angles should be carried out. ULV space spray treatments would also be useful in controlling an infestation.       

Number of days spent as:

Egg 5-10
Larva 10-16
Pupa 7-40
 

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