Pine

Pinus

A pine is any conifer tree or shrub in the genus Pinus of the family Pinaceae. Pinus is the sole genus in the subfamily Pinoideae.

World Flora Online accepts 134 species-rank taxa (119 species and 15 nothospecies) of pines as current, with additional synonyms, and Plants of the World Online 126 species-rank taxa (113 species and 13 nothospecies), making it the largest genus among the conifers. The highest species diversity of pines is found in Mexico. Pines are widely distributed in the Northern Hemisphere; they occupy large areas of boreal forest, but are found in many habitats, including the Mediterranean Basin, and dry tropical forests in southeast Asia and Central America. Wood from pine trees is one of the most extensively used types of timber, and some pines are widely used as Christmas trees.

Description Resource

Pine — Pine Howard F. Schwartz Colorado State University Bugwood.org — Howard-F.-Schwartz-Colorado-State-University-Bugwood.org-.jpg

Diseases Affecting Pine

Pine — diplodia blight 3 768x1024 — https://ag.umass.edu/landscape/fact-sheets/diplodia-blight-of-conifers

Diplodia (Sphaeropsis) Tip Blight on Pine

Disease

Austrian, Scots, ponderosa, mugo, red and other 2 and 3-needled pines are susceptible to the killing of shoot tips and branches by the fungus Diplodia pinea (formerly Sphaeropsis sapinea).

Affected Species:

Pine

Diplodia (Sphaeropsis) Tip Blight on Pine Download

Pine Diplodia Tip Blight

Disease

Austrian, Scots, ponderosa, mugho, red and other 2 and 3-needled pines are susceptible to the killing of shoot tips and…

Affected Species:

Pine

Diplodia (Sphaeropsis) Tip Blight on Pine Download

Procera Root Rot

Disease

Procera root rot also known as white pine root decline is caused by a fungus. It infects the inner bark and sapwood of the roots and lower trunk of white pine.

Affected Species:

Pine

Procera Root Rot of White Pine Download

Insects Affecting Pine

Pine — 2142094 — Brytten Steed, USDA Forest Service, Bugwood.org

Pine Needle Scale

Insect

The pine needle scale is considered a key pest of pines in landscapes, nurseries, and Christmas tree plantations in Pennsylvania.

Affected Species:

Pine, Spruce

Pine Needle Scale Download

Pine Tube Moth

Insect

Individual Pine Tube Moth (Argyrotaenia pinatubana) caterpillars use silk to form a hollow tube by binding together 10 – 20 needles. They then move up and down their silk-lined tube to feed on the tips of the bound needles.

Affected Species:

Pine

Pine Tube Moth Download

Pine Bark Beetle

Insect

These cylindrical, brown to black beetles are usually very small, 1/6 to 1/8-inch, but they can cause considerable damage. Fortunately,…

Affected Species:

Pine

Bark Beetles Management Guidelines–UC IPM Download

Spittlebug

Insect

This pest is most commonly recognized when the nymphs make the bubbly spittle masses on small branches of conifers.

Affected Species:

Leyland Cypress, Pine

Spittlebugs Download

Spruce Spider Mite

Insect

The Spruce Spider Mite is considered one of the most destructive spider mites in the United States.

Affected Species:

Arborvitae, Chamaecyparis, Cryptomeria, Fir, Hemlock, Juniper, Leyland Cypress, Pine, Spruce

Spruce Spider Mite Download

Pine — PineEriophyidMite — https://sites.udel.edu/ornamentals-hotline/tag/white-pine-sheath-mite/

White Pine Sheath Mite

Insect

Eriophyid mites are distinctly different from the typical spider mite. They are extremely small and only have two pairs of legs in all active stages. The body is wedge or carrot shaped and light tan or pinkish

Affected Species:

Pine

Eriophyid Rust and Sheath Mites (White Pine)Download

White Pine Weevil

Insect

The white pine weevil is considered the most destructive insect pest of eastern white pine in North America.

Affected Species:

Pine, Spruce

White Pine Weevils Download

European Pine Sawfly

Insect

The most common sawfly species that attacks pines in Pennsylvania is the European pine sawfly.

Affected Species:

Pine

Pine_Sawflies Download

Bagworms

Insect

Bagworm is a caterpillar that molts into a moth in the adult stage. They are easiest to identify by the bags they construct as they feed. Damage includes needle discoloration and injury.

Affected Species:

Arborvitae, Chamaecyparis, Cryptomeria, Douglas Fir, Fir, Juniper, Leyland Cypress, Pine, Spruce

Bagworms Download

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