Established
| Common name (English) | |
|---|---|
| Myzus persicae | Green peach aphid; Greenfly; Peach-potato aphid |
| Najas marina | |
| Nanopsocus oceanicus | |
| Neanthes agulhana | |
| Necrobia rufipes | Red-legged ham beetle |
| Nemausus sordidatus | |
| Nemipterus randalli | Randall's threadfin bream |
| Neopseudocapitella brasiliensis | |
| Neoseiulus californicus | |
| Nesidiocoris tenuis | |
| Nicotiana glauca | Tree tobacco |
| Nigrospora oryzae | |
| Notomastus aberans | |
| Nylanderia jaegerskioeldi | |
| Odontofroggatia galili | |
| Odontofroggatia ishii | |
| Oenothera affinis | |
| Oncorhynchus mykiss | Rainbow trout |
| Ononis alopecuroides | |
| Ophelimus maskelli | Eucalyptus gall-wasp |