Invasive Species Directory

Species Types

Mediterranean Oak Borer on an oak tree. Photo by Christine Buhl.

Mediterranean Oak Borer

(Xyleborus monographus)

Brown flowerhead of Phragmites with green reeds

Common reed

Phragmites australis ssp. australis

green and bronze metallic Japanese beetle on green leaf

Japanese beetle

Popillia japonica

Spongy moth caterpillar on chewed leaf

Spongy moth

Lymantria dispar

metallic green insect close-up on ash tree bark

Emerald ash borer

Agrilus planipennis

Garlic mustard_800x600
circular white flower with star-like clusters of tiny white petals
patch of tall reed canary grass in a large field

Reed canarygrass

Phalaris arundinacea

Photo: King County, WA

Policeman’s helmet

Impatiens glandulifera

yellow archangel_Sunlight Condos_MA_2012_05_10 (1)

Yellow archangel

Lamium galeobdolon

waterprimrose5
False indigo_by Andrey Zharkikh

Desert false indigo

Amorpha fruticosa