Insect Management Handbook

Numerous species

Various species

Pest description and damage Identification is important as several species differ in susceptibility to pesticides. Adult weevils are dark colored, nocturnal beetles, 0.2 to 0.25 inch in length, with a snout (rostrum) and elbowed antennae. Look for ragged notches on the edges of leaves, or flower petals. Larvae are C-shaped, legless, and white, sometimes reddish, with tan heads, up to 0.5 inch in size. Larvae are rarely a significant problem in established landscapes.

Various species

Pest description and damage Identification is important as multiple species differ in susceptibility to pesticides. Adult weevils are dark colored, nocturnal beetles from 0.2 to 0.25 inch in length, with a snout (rostrum) and elbowed antennae. Look for ragged notches on the edges of leaves, or flower petals. Larvae are C-shaped, legless, and white, sometimes reddish, with tan heads, up to 0.5 inch in size. Larvae are rarely a significant problem in established landscapes.

Various species

Pest description and damage Identification is important as these species differ in susceptibility to pesticides. Adult weevils are dark colored, nocturnal beetles from 0.2 and 0.25 inch in length, with a snout (rostrum) and elbowed antennae. Look for ragged notches on the edges of leaves or flower petals. Larvae are C-shaped, legless, and white, sometimes reddish, with tan heads, up to 0.5 inch in size. The larvae are rarely a significant problem in established landscapes.

Otiorhynchus spp.

Lilac root weevil (Otiorhynchus meridionalis) and numerous other species

Various species

Pest description and damage Identification is important as each species differs in susceptibility to pesticides. Adult weevils are dark colored, nocturnal beetles, from 0.2 to 0.25 inch in length, with a snout (rostrum) and elbowed antennae. Look for ragged notches on the edges of leaves, or flower petals. Larvae are C-shaped, legless, and white, sometimes reddish, with tan heads, up to 0.5 inch in size. The larvae are rarely a significant problem in established landscapes.

Honeysuckle aphid (Hyadaphis tataricae)

Description and damage This tiny (adult size ranges from 0.04 to 0.01 inch in length) grayish-green aphid has a white abdomen dusted with a fine light powder. The head and thorax are slightly darker. Not the usual pear shape, these aphids have very short cornicles and are shaped more like a manatee. The aphids suck on tender new growth and flowers that can result in stunted leaf and stem growth then witches' brooms and brown dead tips.

Many species

Pest description and damage Species identification is important as root weevil species differ in susceptibility to pesticides and have different life cycles. Adult weevils are dark colored, nocturnal beetles from 0.2 to 0.25 inch in length with a snout (rostrum) and elbowed antennae. Look for ragged notches on the edges of needles. Tips may die beyond the point where weevils have girdled the twig. C-shaped white larvae may be a problem in forestry seedlings.

Includes Hellebore aphid (Macrosiphum hellebori)