Table of Contents
How do you identify weevils?
Look for these 2 main signs if you suspect you have weevils:
- Leaves will appear scalloped or marginally notched. A large infestation may even consume the leaves entirely, leaving only the main vein.
- Stunted growth and yellowing, wilted leaves.
How is a beetle classified?
Beetles are insects that form the order Coleoptera (/koʊliːˈɒptərə/), in the superorder Endopterygota. Their front pair of wings are hardened into wing-cases, elytra, distinguishing them from most other insects.
Is a weevil an insect?
weevil, (family Curculionidae), also called snout beetle, true weevil of the insect order Coleoptera (beetles and weevils). Most weevils have long, distinctly elbowed antennae that may fold into special grooves on the snout. Many have no wings, whereas others are excellent fliers.
What is a weevil look like?
Weevils are small beetles that have noticeable snouts. They are often lightbulb- or pear-shaped. The immature, legless, grub-like larvae feed on plants. Adult weevils look for shelter in unfavorable weather conditions, especially when it is hot and dry.
Are Beetles classified as animals?
Beetles are the largest group in the Animal Kingdom, representing about a fourth of all animals. Currently, more than 350,000 beetle species have been identified.
Are weevils parasites?
parasite accounts for one weevil. weevils, and also two other beetles which infest flour and other stored products, OIMINOHAM : A PARASITE OF GRAIN WEEVILS. jttglandis, which itself is a parasite of the well-known pest, the Mediterranean flour moth.
What is a weevil larvae?
The larvae are soft, white grubs with no legs. Pupae are similar to adults with long snouts, but they are white. The adult rice weevil can fly, and lives up to five months, with the female laying up to 400 eggs during her lifetime.
How do I identify a leaf beetle?
Like other beetles, leaf beetles have shell-like wing covers (elytra) that meet in a straight line over their abdomen. Leaf beetles are a large and diverse group. They are oval or round. Antennae are usually no more than half the length of the body.
Is a leaf beetle a herbivore?
Most beetles are herbivores, eating only plants. This includes roots, stems, leaves, seeds, nectar, fruits or even the wood of the plant itself. This subcategory includes weevils, leaf beetles and some species of Longhorned beetles.
Where does the pea leaf weevil come from?
Pea leaf weevil ( Sitona lineatus) is an insect pest that feeds on the nitrogen fixing nodules of host legumes (larvae) and leaves and growing points of host seedlings (adults). Native to Europe, the pea leaf weevil (PLW) was first identified in Alberta by Agriculture and Agri-food Canada entomologist Dr. Bob Byers.
Which is the most recent classification of weevils?
The most recent classification system to family level was provided by Kuschel, with updates from Marvaldi et al., and was achieved using phylogenetic analyses. The accepted families are the primitive weevils, Anthribidae, Attelabidae, Belidae, Brentidae, Caridae, and Nemonychidae, and the true weevils Curculionidae.
What kind of weevil is green with green scales?
Phyllobius is a genus of broad-nosed weevils that are commonly found on low herbage and in trees during spring and summer. Most are covered in metallic green scales that give them a very attractive appearance.
What kind of weevil is a rice weevil?
The tiny granary weevil is classified as Sitophilus granarius, the rice weevil as Sitophilus oryzae, and the alfalfa weevil as Hypera postica. The pea weevil is classified as Bruchus pisorum and the bean weevil as Acanthoscelides obtectus.