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Weed Biocontrol newsletter
Issue 107, February 2024 articles
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Chilean Flame Creeper Beetle Passes the Test
28 February 2024
Chilean flame creeper is a climbing vine that has become an important environmental weed in Southland, Otago and Canterbury. It is present in the lower regions of the North Island, but it is only considered a minor weed there. A biological control programme was initiated in 2021 following the serend...
Newsletter
Weed biocontrol
Yellow Flag Iris Flea Beetle Touches Down
28 February 2024
With the new year a new candidate biocontrol agent arrived at our insect containment facility at Lincoln. Angela Bownes’s Christmas holiday in South Africa presented the opportunity for 34 adults of the yellow flag iris flea beetle to be hand-carried to New Zealand. The beetles are being reared by t...
Newsletter
Weed biocontrol
A Flying Start for a Bud-Galling Wasp
28 February 2024
We are excited to report that our most recently introduced biocontrol agent, the Sydney golden wattle bud-galling wasp, has shown positive signs of establishment following its release last summer.
Newsletter
Weed biocontrol
Variability in Herbivory Shows Patterns, and it Matters
28 February 2024
Interactions between plants and herbivores are central to most ecosystems, but the high variability of these interactions makes it difficult to determine exactly how herbivores influence plant response to herbivory pressures. A group of researchers from Michigan State University set out to explore t...
Newsletter
Weed biocontrol
Welcome Luise Schulte
28 February 2024
We are delighted to welcome Luise Schulte to the Biocontrol & Molecular Ecology team at Manaaki Whenua.
Newsletter
Weed biocontrol
Autumn Activities 2024
28 February 2024
Gall-forming agents
Check broom gall mite (Aceria genistae) sites for signs of galling. Very heavy galling, leading to the death of bushes, has been observed at many sites. Harvesting of galls is best undertaken from late spring to early summer, when predatory mites are less abundant.
Check hiera...
Newsletter
Weed biocontrol