Mealybugs attach their piercing and sucking moutparts to the base and stem of new foliage. Preferring shade, they are often located under the leaves. These insects begin their activity at […]
This caterpillar, Phauda flammans, is responsible for the complete defoliation of Ficus trees. Eggs are laid on leaves and emerging larvae feed on foliage. After larvae mature, they climb down […]
Aphids are the most common insect found on trees and shrubs. There are many species of aphids that feed on numerous hosts. Aphids use their piercing sucking mouthparts to extract […]
Avocado and various fruit trees, Camphora, Samanea, Liquidambar, Ulmus, Magnolia, and others. Many ambrosia species will preferentially attack smaller trees or new plantings […]
A tree failure occurred in a park in Yuen Long in September 2016. “white ant s” (termites) were noted at the point of tree failure. This is an example of […]
Perina nuda, Banyan Tussock Moth
The insects are medium-sized moths.
Indian Subregion, Nepal, China, Japan (Wang et al., 1982a; Peng & Liu, 1992; […]
Anoplophora glabripennis, Asia longhorn beetle
The most destructive non-native insect attacking US trees in the Asian longhorn beetle Anoplophora glabripennis. As with the closely related Citrus longhorn beetle (A. chinensis), […]
Bursaphelenchus xylophilus, pine wood nematode
Pine wood nematode B. xylophilus is spread by Monochamus beetles and with the movement of infested live or sawn wood. B. xylophilus can live […]
Bacterium, Candidatus Liberibacter asiaticus, citrus greening, also known as huanglongbing
Ca. L. asiaticus is a bacterial pathogen originating in Asia that has recently been introduced into the Americas (1). It […]
Around 6mm long. The head is pale orange and oval-shaped. Mandibles are curved and sharply pointed, with a distinct tooth on the inner margin of the left mandible.
Build […]
