Witch Hazel Gall Aphid
Witch hazel gall aphids (Hormaphis hamamelidis) are fascinating sap-feeding insects best known for their ability to induce the formation of distinctive cone-shaped galls on witch hazel leaves. Native…
Category
pests
Wisteria Borer
Wisteria borers are destructive wood-boring insects that attack the stems, trunks, and woody vines of wisteria plants. Although several species may be referred to as wisteria borers, many…
Winter Moth
Winter moths (Operophtera brumata) are invasive defoliating insects that have become significant pests in parts of North America and Europe. Native to Europe, this species has spread to…
Willow Shoot Sawfly
Willow shoot sawflies are specialized plant-feeding insects that attack willow trees and shrubs by damaging developing shoots and stems. Species such as Janus abbreviatus are particularly important because…
Willow Lace Bug
Willow lace bugs are small sap-feeding insects belonging to the family Tingidae that specialize in feeding on willow trees and shrubs. Species such as Corythucha mollicula are commonly…
Willow Flea Beetle
Willow flea beetles are small, agile leaf-feeding beetles that specialize in feeding on willow trees and shrubs. Most are members of the family Chrysomelidae, particularly species in genera…
White-spotted Sawyer
White-spotted sawyer beetles (Monochamus scutellatus) are large wood-boring beetles commonly found throughout the coniferous forests of North America. These insects are members of the longhorn beetle family and…
White-pine Weevil
White-lined sphinx moths (Hyles lineata) are among the most recognizable and widespread sphinx moths in North America. Famous for their rapid, hovering flight, these insects are often mistaken…
White-lined Sphinx Moth
White-lined sphinx moths (Hyles lineata) are among the most recognizable and widespread sphinx moths in North America. Famous for their rapid, hovering flight, these insects are often mistaken…
White-fringed Beetle
White-fringed beetles (Naupactus leucoloma) are invasive agricultural pests known for their broad host range and destructive root-feeding larvae. Originally native to South America, these beetles have spread to…