weevil


Also found in: Dictionary, Thesaurus, Wikipedia.
Related to weevil: Wheat weevil, rice weevil

weevil,

common name for certain beetlesbeetle,
common name for insects of the order Coleoptera, which, with more than 300,000 described species, is the largest of the insect orders. Beetles have chewing mouthparts and well-developed antennae.
..... Click the link for more information.
 of the snout beetle family (Curculionidae), small, usually dull-colored, hard-bodied insects. The mouthparts of snout beetles are modified into down-curved snouts, or beaks, adapted for boring into plants; the jaws are at the end of the snout. The bent antennae usually project from the middle of the snout. The largest weevils are about 3 in. (7.6 cm) long, with the average length being about 1-4 in. (0.6 cm). The snout varies greatly in length among the different species; in the curculioscurculio
, name applied to various weevils (members of the snout beetle family, or Curculionidae), especially those that attack fruit. The term is sometimes limited to the acorn and nut weevils of the genus Curculio,
..... Click the link for more information.
, or nut weevils, it may be longer than the body. Different weevil species attack different parts of plants—fruits, seeds, leaves, stems, or roots. In most species the female lays her eggs inside the plant tissue, on which the growing larvae feed. The granary weevil and rice weevil are serious pests of stored cereal grains. The thousands of other destructive weevil species include the sweet-potato, vegetable, alfalfa, clover leaf, strawberry, and pine weevils, as well as the cotton boll weevilboll weevil
or cotton boll weevil
, cotton-eating weevil, or snout beetle, Anthonomus grandis. Probably of Mexican or Central American origin, it appeared in Texas about 1892 and spread to most cotton-growing regions of the United States.
..... Click the link for more information.
, the most serious weevil pest in the United States. The seed weevils, including the bean weevilbean weevil,
common name for a well-known cosmopolitan species of beetle (Acanthoscelides obtectus) that attacks beans and is thought to be native to the United States. It belongs to the family Bruchidae, the seed beetles. The bean weevil is small, about 1-6 in. (0.
..... Click the link for more information.
, are not true weevils, but boring beetles of another family; they feed on leguminous crops, such as peas and beans. Weevils cause millions of dollars' worth of damage annually. The bark beetles, or engraver beetles, are related to the weevils. True weevils are classified in the phylum ArthropodaArthropoda
[Gr.,=jointed feet], largest and most diverse animal phylum. The arthropods include crustaceans, insects, centipedes, millipedes, spiders, scorpions, and the extinct trilobites.
..... Click the link for more information.
, class Insecta, order Coleoptera, family Curculionidae.

weevil

[′wē·vəl]
(invertebrate zoology)
Any of various snout beetles whose larvae destroy crops by eating the interior of the fruit or grain, or bore through the bark into the pith of many trees.

weevil

1. any beetle of the family Curculionidae, having an elongated snout (rostrum): they are pests, feeding on plants and plant products
2. any of various beetles of the family Bruchidae (or Lariidae), the larvae of which live in the seeds of leguminous plants
3. any of various similar or related beetles
References in periodicals archive ?
Thus their continuous destruction by the red palm weevil is a source of concern to many on the island.
Weevil numbers in Welsh forests have been cut by up to 90% where they have been applied.
On the male inflorescences, samples were collected from the field for assessing the adult weevil numbers.
Riley said that the weevil damages one-third of the bulk yield per acre each year, and 10 percent of the pea crop is stung, meaning the weevil has entered the pea and damaged it.
Once confined to tropical Asia, the red palm weevil found its way to the Middle East in the 1980s before moving on to parts of Africa and Southern Europe.
But the female's role in giraffe weevil sex shouldn't be overlooked.
This technique of combating the red palm weevil has already proved its success in many countries, including Saudi Arabia and Egypt", he said, pointing out that this same technique has been used in Bahrain in treating up to 12,000 palm trees.
The weevil is attracted to the smell of the flower, so male flowers are cut and insecticide is sprayed on it.
The black vine weevil is a member of the weevil family.
The PICS bags are uninhabitable environments for cowpea weevils," he said.
In their study, the scientists evaluated three management strategies: weevil seed predation alone, weevil seed predation combined with mowing, and weevil seed predation combined with burning.
But in the past year, weevil numbers have dropped precipitously, which some farmers hope is a death knell for the insect.