Two new studies find even more benefits to tolerating scale insects on urban trees, boosting the abundance of a variety of spiders and attracting predator insects that serve as natural enemies of other pests in both trees and nearby plants.
Tiny, dome-shaped scale insects can damage or kill trees in heavy infestations, but their presence in moderate numbers actually supports a variety of other beneficial insects that protect trees and surrounding vegetation from other pests, a new study shows.
In urban settings, plant selection and landscape maintenance play a critical role in pollinator populations and the preservation of essential ecosystem services. A new guide in the open-access Journal of Integrated Pest Management reviews case studies and identifies opportunities for future study and action in urban pollinator conservation.
A study that shows mosquitoes might benefit from wetland-management tactics aimed at protecting frogs illustrates the complicated ecological dynamics present in urban wetlands. Understanding the habitat requirements and ecological interactions of local mosquito species is critical to balancing such wetlands' risks and benefits.