weevil

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Related to Weevils: rice weevil, grain weevils

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.
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 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,
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, 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.
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, 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.
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, 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.
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, 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 ?
The weevils now form the backbone of an integrative weed management program, supported by mechanical harvesting, manipulation of water levels, strategic herbicide use and reduced nutrient inputs.
Crops, research facilities and corporate offices are all sources of this technological threat and should be targeted," say the Weevils.
Hanounik, each infected tree produces enough weevils to infect at least seven healthy new trees a year.
In 19 the people of Enterprise, in Coffee County, Alabama, built a monument to thank a bug called the boll weevil.
Adult weevils used in the olfactometer assays and oviposition trials were collected from the field using insecticide free food baited-pheromone (Ferrolure[TM]) traps and reconditioned in the laboratory for 2 weeks by allowing the adults to feed on sugarcane in plastic cages (27 [+ or -] 1 [degrees]C, 76 [+ or -] 3% RH).
In Cyprus, where the plants are ubiquitous both in urban and rural areas, this is a near impossibility now that the weevils have already spread across the country.
Meanwhile, the use of nematodes coupled with fungi is helping to combat another beetle, the large pine weevil, potentially the most damaging and costly pest in UK forests.
NUMBERS OF WEEVILS THAT EMERGED PER SPIKELET DURING THE PERIOD OF ANTHESIS
Treatment works in the early stages of infestation, but preventative measures are more important if the spread of weevils is to be contained.
Male giraffe weevils joust with fishing-pole-like snouts that can grow as long as the rest of their bodies.
Khalid bin Mohammed Al-Fuhaid pointed out that the meeting represents an opportunity for the exchange of opinions between farmers and specialists from inside and outside the Kingdom aiming at strengthening the efforts of combating the weevils.
The Canal and River Trust, the charity that cares for the nation's historic waterways, has released the 2mm-long weed weevils into the Huddersfield Broad Canal near Colnebridge so they can eat the Water Fern (Azolla filliculoides).