Most non-native weeds and other naturalised plants are in the early stages of invasion into New Zealand landscapes. For this invasion to be controlled, even partially, it is important to understand the dominant routes, ...

We studied the genus- and species-specialist monophagous herbivorous insects of Senecio (Asteraceae) in Auckland, New Zealand. With the exception of the widespread S. hispidulus, the eight native Senecio species in mainland ...