Latitude and Longitude (WGS84):
44°02´40.5“ S 170°31´39.4“ E (WGS84 -44.044583 170.527611)
Altitudes:
from 725m
Habitat:
Farm - grazed by sheep.Wet facing river terrace 20 x 200 m infestation. Some plants below terrace.
Notes:
Biocontrol: Horehound (Marrubium vulgare) Invertebrate and Pathogen Survey 2017-2018.Property owner Gavin Loxton is agreeable for release of BC agents.Abundance: Moderate (>100 m² ). Percent of cover at densest accessible point: 40%. Visual inspection for herbivore damage: 10 plants checked- no damage. Absence of wilt symptoms. Cause of damage: Egg cluster on leaf collected for rearing. Beetle larva from root ball. Not yet fruiting, burrs not collected. Pathogens: Plant parts affected: Leaves - yellowing, blotchy (photos taken). Level of impact: very light. Eradicable patch?