WEEVIL - definizione. Che cos'è WEEVIL
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Cosa (chi) è WEEVIL - definizione

SUPERFAMILY OF BEETLES
Curculionoidea; Snout Beetle; Curcurion; Weevils; Snout Beetles; Weevil (beetle); Weeval; Billbug; Weevily

weevil         
n. an alfalfa; boll weevil
Weevil         
·noun Any one of numerous species of snout beetles, or Rhynchophora, in which the head is elongated and usually curved downward. Many of the species are very injurious to cultivated plants. The larvae of some of the species live in nuts, fruit, and grain by eating out the interior, as the plum weevil, or curculio, the nut weevils, and the grain weevil (see under Plum, Nut, and Grain). The larvae of other species bore under the bark and into the pith of trees and various other plants, as the pine weevils (see under Pine). ·see also Pea weevil, Rice weevil, Seed weevil, under Pea, Rice, and Seed.
weevil         
(weevils)
A weevil is a small insect which feeds on grain and seeds, and destroys crops.
N-COUNT

Wikipedia

Weevil

Weevils are beetles belonging to the superfamily Curculionoidea, known for their elongated snouts. They are usually small, less than 6 mm (14 in) in length, and herbivorous. Approximately 97,000 species of weevils are known. They belong to several families, with most of them in the family Curculionidae (the true weevils). It also includes bark beetles, which while morphologically dissimilar to other weevils in lacking the distinctive snout, is a subfamily of Curculionidae. Some other beetles, although not closely related, bear the name "weevil", such as the biscuit weevil (Stegobium paniceum), which belongs to the family Ptinidae.

Many weevils are considered pests because of their ability to damage and kill crops. The grain or wheat weevil (Sitophilus granarius) damages stored grain, as does the maize weevil (Sitophilus zeamais) among others. The boll weevil (Anthonomus grandis) attacks cotton crops; it lays its eggs inside cotton bolls and the larvae eat their way out. Other weevils are used for biological control of invasive plants.

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. In more derived weevils, the rostrum has a groove in which the weevil can fold the first segment of its antennae.

Most weevils have the ability to fly (including pest species such as the rice weevil), though a significant number are flightless, such as the genus Otiorhynchus.

One species of weevil, Austroplatypus incompertus, exhibits eusociality, one of the few insects outside the Hymenoptera and the Isoptera to do so.

Esempi dal corpus di testo per WEEVIL
1. Danny Kizer, executive director of the Arkansas Boll Weevil Eradication Program, said Monday that the boll weevil population has been reduced at least '' percent since the effort began 10 years ago.
2. "There are plenty of other opportunities to eat into it like a weevil.
3. The boll weevil first appeared in the United States in south Texas around 18'2, migrating from Mexico.
4. Bill Grefenstette, the USDA‘s national coordinator, said about 14.2 million acres in the U.S. now are weevil–free, or about 87 percent of the country‘s cotton acreage.
5. "They‘d like to boll–weevil themselves down to the agencies and create dependencies that will last for years, if not decades," Light said.