The need to improve methods and interpretation of host specificity tests for arthropod natural
enemies has been clearly identified, yet there remains a paucity of empirical evidence upon …

The invasive eucalyptus tortoise beetle, Paropsis charybdis, defoliates plantations of
Eucalyptus nitens in New Zealand. Recent efforts to identify host specific biological control …

The 'new species association'biological control approach is based on the ecological
principle in which a natural enemy is used that has not coevolved with a pest. The recent …

The southern ladybird (Cleobora mellyi Coleoptera: Coccinellidae) is a voracious predator
of the invasive tomato–potato psyllid (TPP)(Bactericera cockerelli Hemiptera: Triozidae) in …

In March 2016, an incursion of the paropsine beetle Paropsisterna variicollis (eucalyptus
variegated beetle) was detected in the Hawke's Bay during routine Forest Biosecurity …

Climate change will have a direct effect on the location, nature and productivity of the
pastures, crops, orchards and forests grown in the future in New Zealand. It is also changing …

The accidental introduction of the eucalypt‐feeding paropsine beetle Paropsisterna cloelia
(Paropsisterna variicollis) into New Zealand (NZ) in 2016 prompted investigation of the …

Abstract The Eucalyptus tortoise beetle, Paropsis charybdis, has been one of the most
successful insect pests to invade New Zealand. One hundred years have now passed, and …

Paropsis charybdis is a key pest of eucalypt plantations in New Zealand, where it is attacked
by two primary egg parasitoids and one hyperparasitoid. One of the primary parasitoids …

Hyperparasitoids can impede the establishment of primary parasitoid biological control
agents or limit their control capacity. Although modern quarantine practices generally …