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The adult weevil is matte black with fused wing covers, and is unable to fly. It feeds at night on the outer edges of leaves, causing the leaves to have a notched margin. Broadleaved evergreen plants such as Camellia , Rhododendron , Euonymus and Bergenia are particularly prone to damage, although a wide range of different garden plants are ...
Larvae of the yellow poplar weevil. The weevil goes through a single life-cycle each year. [5] Adults pass the winter months in surrounding leaf litter and become active throughout late April and early May. Before leaf buds on yellow-poplar, sassafras, or magnolia trees open, weevils attack the buds and leave their distinctive feeding marks. [2]
Otiorhynchus (sometimes misspelled as Otiorrhynchus) is a large genus of weevils in the family Curculionidae.Many species of the genus, particularly the black vine weevil (O. sulcatus) and the strawberry root weevil (O. ovatus), are important pests, both as larvae and as adults.
Egg laying and/or feeding damage on rhubarb as caused by the adult weevil. L. concavus is usually present in fairly small numbers and can be handpicked and then destroyed. . Removal of the other host plants, such as curly dock, wild dock, sunflower, and thistle, during midsummer, when the L. concavus larvae are still in them, may also help to reduce pest populati
The leaves are large, leathery, ovate or cordate, and often have wavy or saw-toothed edges. For most of the year, the leaves have a glossy green colour, but in cooler climates, they turn red or bronze in the fall. The flowers grow on a stem similar in colour to a rhubarb stalk and most varieties have cone-shaped flowers in varying shades of ...
Oxyops vitiosa is a species of weevil in the family Curculionidae.Common names include the melaleuca leaf weevil and the melaleuca snout beetle.It feeds on the leaves and shoots of the broad-leaved paper bark tree, Melaleuca quinquenervia, which is endemic to Australia where it grows on seasonally inundated plains and swampland, and was introduced into Florida in order to help drain flooded ...
A weevil's rostrum, or elongated snout, hosts chewing mouthparts instead of the piercing mouthparts that proboscis-possessing insects are known for. The mouthparts are often used to excavate tunnels into grains. [1] In more derived weevils, the rostrum has a groove in which the weevil can fold the first segment of its antennae.
Sitona lineatus, commonly known as the pea leaf weevil is a species of weevil with a Palearctic distribution. It is a common pest of beans, peas, and other plants in the family Fabaceae . [ 1 ] Adult beetles of S. lineatus measure 3.4-5.3 mm in length.