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===Pests and diseases===
===Pests and diseases===
====Insect pests====
* [[Corn earworm]] (''Helicoverpa zea'')
* [[Fall armyworm]] (''Spodoptera frugiperda'')
* [[Common armyworm]] (''Pseudaletia unipuncta'')
* [[Stalk borer]] (''Papaipema nebris'')
* [[Corn leaf aphid]] (''Rhopalosiphum maidis'')
* [[European corn borer]] (''Ostrinia nubilalis'') (ECB)
* [[Corn silkfly]] (''Euxesta stigmatis'')
* [[Lesser cornstalk borer]] (''Elasmopalpus lignosellus'')
* [[Corn delphacid]] (''Peregrinus maidis'')
* [[Western corn rootworm]] (''Diabrotica virgifera virgifera'' LeConte)
The susceptibility of maize to the European corn borer, and the resulting large crop losses, led to the development of [[transgenic plants|transgenic]] expressing the ''[[Bacillus thuringiensis]]'' toxin. "Bt corn" is widely grown in the [[United States]] and has been approved for release in [[Europe]].
====Diseases====
[[List of maize diseases]]
* [[Corn smut]] or common smut (''Ustilago maydis''): a fungal disease, known in [[Mexico]] as ''huitlacoche'', which is prized by some as a gourmet delicacy in itself.
* [[Maize Dwarf Mosaic Virus]]
* [[Stewart's Wilt]] (''Pantoea stewartii'')
* [[Common Rust]] (''Puccinia sorghi'')
* [[Goss's Wilt]] (''Clavibacter michiganese'')
* [[Grey Leaf Spot]]
* [[Mal de Río Cuarto Virus]] (MRCV)
* [[Stalk and Kernal Rot]]
==Species==
==Species==
