Sitotroga cerealella

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Sitotroga cerealella (click on image to enlarge it)
Source: Clemson University - USDA Cooperative Extension Slide Series - Wikimedia Commons

Sitotroga cerealella (Olivier, 1789) - (Angoumois grain moth)

The moth is a common and wide-spread pest of stored grain which also attacks cereals before harvest in tropical and subtropical countries. In the field, outbreaks can develop if the crops are left to dry before harvest. Introductions into temperate regions frequently occur through importations of cereals. The moth is named after an old, no longer existing district in France.

The larvae bore into the grains and do not produce webbing like some other Lepidoptera. Different types of cereals are infested including wheat, rice, sorghum and maize. The adults are good fliers.

Vernacular names
• Deutsch: Getreidemotte
Weisser Kornwurm
• English: Angoumois grain moth
• Español: polilla de los cereales
palomilla de los graneros
• Français: alucite des céréales
teigne des blés
• Português: tracinha

Moths have a wing span of 15-20 mm and are usually brownish in colour. The development from egg, through 5 larval stages, to mature adult lasts about 6 weeks.

Gelechia cerealella
Tinea cerealella

For details see the respective page in Wikipedia.