Pest Library

Algae, blue-green

Cyanobacteria also known as (blue-green algae, blue-green bacteria, a...

Amaranth, palmer

Amaranthus palmeri is a species of edible flowering plant in the amar...

Ambrosia beetles

Ambrosia beetles are beetles of the weevil subfamilies Scolytinae and...

Anthracnose

Anthracnose is caused by Colletotrichum graminicola, a fungus that su...

Ants

Ants are social insects of the family Formicidae and, along with the ...

Aphids

Aphids, also known as plant lice are among the most destructive insec...

Azalea Lacebug

Azalea lace bug, Stephanitis pyrioides, belongs to a group of insects...

Bacteria Wilt

Bacterial wilt is an increasing disease of annual bluegrass (Poa annu...

Bagworm

The bagworm is a perennial insect pest of arborvitae, juniper, pine, ...

Barnyard Grass

A summer annual with thick stems that may reach 5 feet in height. On...

Bermudagrass - Wiregrass

Bermudagrass blades are a grey-green color and are short, usually 2-1...

Bittercress

Bittercress grows to about 30-60 centimetres (12-24 in) of height, wi...

Black Spot

Blackspot disease, Diplocarpon rosae, is a common and serious fungal ...

Black Vine Weevil

The black vine weevil is a serious pest in nurseries and established ...

Broadleaf Plantain

Broadleaf Plantain is a shallow mostly fibrous rooted perennial. The ...

Bronze Birch Borer

The bronze birch borer is a serious secondary pest of white, paper, a...

Brown Blight

Trees and Ornamentals Brown-spot needle blight, caused by Scirrhia ac...

Brown Patch

The symptoms of brown patch vary according to mowing height. In lands...

CanadaThistle

Canada thistle (Cirsium arvense) is an aggressive, creeping perennial...

Carpet Weed

Carpetweed is a summer annual with smooth prostrate branching stems f...

Chickweed

Chickweed is a prostrate, winter annual that is found throughout Nort...

Chilli Thrips

Chilli thrips attacks all the above ground parts of its host plants. ...

Chinch Bug

Chinch bugs are a complex of three different species within the Lygae...

Common Groundsel

Common groundsel is a winter annual member of the aster family. Groun...

Common Sow Thistle

A Perennial herbaceous plant with a single stem and branches near the...

Copper Spot

Copper spot is a foliar disease of bentgrass, with severest outbreaks...

Crabgrass

Crabgrass is a summer annual that germinates when soil temperatures r...

Dallisgrass

Dallisgrass is a warm season coarse perennial which is light green in...

Damping Off

Damping-off diseases occur as seed rots and blights of seedlings.This...

Dandelion

The leaves are 5-25 cm long or longer, simple and basal, entire or lo...

Dollar Spot

The fungus pathogen causing dollar spot was previously known as Scler...

Eastern Tent Caterpillar

The eastern tent caterpillar can be a serious pest on cherry, plum, p...

Emerald Ash Borer

Emerald ash borer (EAB), Agrilus planipennisFairmaire, is an exotic b...

Fairy Ring

Fairy rings are reported to be caused by many (60) different soil-inh...

Fall Panicum

This native grass is a summer annual about 1“- 4' tall. It is often t...

Fall Webworm

The fall webworm is a widely distributed native pest of shade trees a...

Fungus Gnat

Fungus gnats (Bradysia species) - also known as dark-winged fungus gn...

Fusarium Patch

Fusarium patch (Michrodochium nivale) is a serious disease of cool se...

Giant Ragweed

Giant Ragweed also known as Buffalo Weed, Great Ragweed, Bitterweed, ...

Goosegrass

Goosegrass is a coarse, bunch-type grass that forms a basal rosette o...