''Mayetiola hordei'',, the barley stem gall midge, is a

cereal A cereal is a grass cultivated for its edible grain. Cereals are the world's largest crops, and are therefore staple foods. They include rice, wheat, rye, oats, barley, millet, and maize ( Corn). Edible grains from other plant families, ...

pest in

Tunisia Tunisia, officially the Republic of Tunisia, is a country in the Maghreb region of North Africa. It is bordered by Algeria to the west and southwest, Libya to the southeast, and the Mediterranean Sea to the north and east. Tunisia also shares m ...

, closely related to the

Hessian fly The Hessian fly (''Mayetiola destructor''), or barley midge, is a species of fly that is a significant pest of cereal crops, including wheat, barley and rye. Though a native of Asia, upon its discovery it was believed to have been transported in ...

References

Cecidomyiinae Agricultural pest insects Nematoceran flies of Europe Diptera of Asia Diptera of Africa {{Bibionomorpha-stub