| Nombre científico |
Tipo de plaga |
| Nacobbus aberrans (Thorne) Thorne & Allen |
Nematodo |
| Nacoleia octasema (Meyrick) |
Insectos |
| Narcissus latent virus |
Virus |
| Narcissus mosaic virus |
Virus |
| Narcissus yellow stripe virus |
Virus |
| Nassella trichotoma (Nees) Hack. ex Arechav |
Maleza |
| Naupactus leucoloma Boheman |
Insectos |
| Naupactus xanthographus (Germar) |
Insectos |
| Nectria diversispora Petch. |
Hongo |
| Negeta chlorocrota Hampson |
Insectos |
| Neofabraea malicorticis (Cordley) H. Jacks. |
Hongo |
| Neolasioptera hibisci (Felt) |
Insectos |
| Neomaskellia bergii (Signoret) |
Insectos |
| Nephotettix nigropictus (Stål) |
Insectos |
| Nephotettix virescens (Distant) |
Insectos |
| Nerine virus X |
Virus |
| Nilaparvata lugens Stål |
Insectos |