Wild chervil is a weed with fern-like leaves, growing up to about three to four feet. Around late May and early June, the weed produces five-petaled, white flowers in clusters at the top of the stem.
Found throughout the northern United States and is present in the FL-PRISM. Invasive Rank
HWA is tiny, less than 1/16″ long, and is dark reddish-brown to purplish-black in color. Its name derives from a white “wool-like” covering called an ovisac on mature egg laying adults.
Emerald ash borer has a golden-green body with dark, metallic green wings and a purplish-red abdomen. Adult beetles average 3/8″ to 3/4″ long and 1/6″ wide. EAB emerges in late spring, flying from June to August.
ALB has a glossy black body with white spots on top of the wings. Adults are 3/4″ to 1″ long. Antennae are roughly 2 times the body length with distinctive black and white bands. The legs and antennae have a bluish tinge. Adults are present from July to October.
Woodwasps (or horntails) are large, full-bodied insects about 1-1 1/2″ long. Adult females have dark metallic blue or black bodies with orange legs. The male’s head and thorax are metallic blue, and the abdomen is orange at the center and black at the base. Adults emerge from July to September.
Adults are tiny, about 1 mm long, and appear dark purple to black in color. They produce a thick layer of a light colored, waxy, wool-like material that covers their body.
Mile-a-minute is an herbaceous, annual, trailing vine that can reach lengths of six meters or more. Its stems are covered with barbs which are also present on the underside of the leaf blades. The light green-colored leaves are triangle-shaped and alternate along the stem. Iridescent blue berry-like fruits are produced beginning in mid-summer and continuing until the plants are killed by frost in the fall. The seeds within these fruits can remain viable in the soil for up to six years.
Kudzu is a climbing, woody, perennial vine that has the potential to reach up to 100 feet in height. Alternately arranged leaves are compound with three leaflets. The yellow-green to grey vine may reach a thickness of 10 inches or more in diameter. Kudzu has purple, highly fragrant flowers that are borne in long hanging clusters. Brown, hairy, flattened seed pods are produced from September to January.
Japanese stiltgrass is an annual grass that sprawls along the ground as it grows. The leaves are pale green, narrow, and lance-shaped with a distinctive silvery stripe of hairs along the midrib. Tiny flowers are produced on slender stalks in late summer.