Western Spruce Budworm

The Western Spruce Budworm (WSBW), (Choristoneura occidentalis), is the most widely distributed defoliator of coniferous forests in Western North America. As more people settle in the wildland interface, this insect

Read More

Diplodia Tip Blight

Tip browning of pines is symptomatic of Diplodia tip blight (Diplodia pinea, syn. Sphaeropsis sapinea), a fungal disease. Most affected are Austrian pine (Pinus nigra) and Ponderosa pine (P. ponderosa),

Read More

Conifer Bark Beetles

Several species of bark beetle including Southern Pine Beetle, Black Turpentine Beetle, Mountain Pine Beetle, Western Pine Beetle, and Spruce Beetle (all Dendroctonus species), and Ips Engraver Beetle,  are known

Read More

Southern Pine Bark Beetle

Southern Pine Beetles (Dendroctonus frontalis), along with several other types of bark beetles, are known to attack and kill southern yellow pines during periods of environmental stress. These beetles bore

Read More

Scale Insects

Scale insects are common insect pests on ornamental trees and shrubs in landscapes. They feed, with their tube-like mouthparts, within the vascular system, where nutrients and fluids are transported. Scales

Read More

Horned Oak Gall Wasp

The horned oak gall is a golf ball-sized growth caused by a small wasp insect (Callirhytis cornigera) which can cause extreme disfiguring and dieback of certain oak species. They are

Read More

Fungus Gnat

Fungus Gnats adults resemble small mosquitos and are commonly found in homes & offices as well as professional cultivation spaces. The fungus gnat has 4 developmental stages; egg, larvae (4

Read More

Bur Oak Blight

  Bur Oak Blight (Tubakia iowensis), or BOB, is a serious and progressive leaf disease that leads to the decline of certain Bur Oak (Quercus macrocarpa) trees. Repeated, and progressive

Read More

Lethal Bronzing

Lethal Bronzing (also known as Texas Phoenix Palm Decline) is caused by Phytoplasma palmae (a mollicute similar to bacteria, but lacking a cell wall) that is closely related to Palm

Read More