What is causing defoliation in Shorea robusta in Nepal's Dailekh district?
Summary
Widespread defoliation caused by moth larvae has severely damaged Shorea robusta forests in Dailekh district, Nepal, linked to prolonged drought and insufficient winter rainfall.
Key Points
- A defoliation outbreak in Shorea robusta forests in Dailekh district has caused severe foliage loss.
- The outbreak is mainly due to moth larvae feeding on sal leaves, with likely species from Erebidae and Lasiocampidae families.
- Prolonged dry seasons and insufficient winter rainfall created favorable conditions for the insect population growth.
- Experts recommend early detection, scientific control measures, and community vigilance to manage future outbreaks.
