Top Results for Curculionidae

The nut weevil refers to various species of beetles in the genus Curculio that act as widespread agricultural pests of hazelnuts and chestnuts. These insects are physically characterized by their elongated snouts, known as rostrums. Females use these long rostrums to chew holes into developing nuts,...

The mountain pine beetle, Dendroctonus ponderosae, is a bark beetle native to western North America. It breeds beneath the bark of pine trees, including lodgepole, ponderosa, and jack pine, and can kill trees when populations become sufficiently large. The beetle carries blue-stain fungi into its ho...

The southern pine beetle is a small bark beetle native to the southeastern United States and parts of Mexico and Central America. It attacks pine trees by boring through the bark and producing galleries in the inner bark, disrupting the tree's transport tissues. Large populations can kill many trees...

The western pine beetle (Dendroctonus brevicomis) is a bark beetle native to western North America. It primarily attacks ponderosa pine, especially large or stressed trees, and breeds beneath the bark. Populations can increase during drought and other periods of tree stress, allowing infestations to...

The black turpentine beetle is a bark beetle native to the southeastern United States and parts of Mexico and Central America. Adults attack the lower trunks and large roots of stressed or weakened pine trees, where their feeding and breeding can damage the host. The species produces conspicuous res...

Spruce Bark Beetle is a bark beetle regarded as a serious forest pest across the Northern Hemisphere. During widespread outbreaks, it can contribute to extensive die-offs of mature spruce trees. The insect is relevant to foresters, woodland managers, and researchers studying tree pests, outbreak dyn...

The Douglas-fir beetle, Dendroctonus pseudotsugae, is a bark beetle native to western North America and associated primarily with Douglas-fir trees. Adult beetles tunnel through the bark and construct galleries in the inner bark, where eggs are laid and larvae develop. Populations commonly increase...

Pine engraver is the common name for Ips pini, a small bark beetle in the subfamily Scolytinae of the weevil family Curculionidae. It occurs across North America and breeds in the inner bark of pine and other stressed, recently cut, or dying conifers. Adults and larvae construct galleries beneath th...

The redbay ambrosia beetle, Xyleborus glabratus, is a small wood-boring beetle native to Asia. It carries the fungus Raffaelea lauricola, which causes laurel wilt disease in trees of the laurel family, including redbay and avocado. After its detection in the southeastern United States in the early 2...

The Elm Bark Beetle refers to bark beetles in the genus Scolytus, especially species that transmit the fungus responsible for Dutch elm disease. Adult beetles tunnel beneath elm bark, where they can acquire fungal spores and carry them to other trees. Their role as disease vectors made them central...

The coffee berry borer, Hypothenemus hampei, is a minute beetle in the weevil family Curculionidae and the subfamily Scolytinae. Native to central Africa, it has spread to coffee-growing regions worldwide. Adult females bore into coffee berries and lay eggs; the larvae feed on the coffee seed, reduc...

The strawberry root weevil, Otiorhynchus ovatus, is a small snout beetle in the family Curculionidae. Its legless larvae live in soil and feed on the roots of strawberries and other host plants, while adults emerge later and chew on foliage, usually causing less injury than the root-feeding stage. T...

The white pine weevil, Pissodes strobi, is a North American beetle in the family Curculionidae. It primarily attacks coniferous trees, including white pine and several pine and spruce species. Its larvae feed beneath the bark of the terminal leader, the main upward-growing shoot, and can girdle and...

Black vine weevil (Otiorhynchus sulcatus) is a dark, wingless snout beetle in the family Curculionidae. Native to Europe and established as an introduced pest in several other regions, it has nocturnal adults that notch leaf edges and soil-dwelling larvae that feed on roots, especially in ornamental...

Hypera postica, the alfalfa weevil, is a weevil in the family Curculionidae that feeds on alfalfa, Medicago sativa. Native to the Old World, it was first detected in the United States in Utah in 1904 and later spread through much of the country. Its larvae are important crop pests because they consu...

The pecan weevil, Curculio caryae, is a North American weevil in the family Curculionidae and an obligate nut feeder associated with pecans and hickories. Adults emerge from soil and enter tree canopies, where females puncture developing nuts and lay eggs. Larvae feed inside the shell and kernel, ca...

The carrot weevil is the North American beetle Listronotus oregonensis, a member of the weevil family Curculionidae. It attacks cultivated plants in the carrot family, especially carrot, parsley, celery, and dill. Adults feed on foliage and lay eggs in plant petioles, while larvae tunnel through pet...

The pepper weevil, Anthonomus eugenii, is a small weevil in the beetle family Curculionidae and a specialized pest of cultivated peppers. Females lay eggs in flower buds or young fruit, and the larvae feed inside the developing pepper; damaged buds and fruit can then yellow, fall, or fail to mature....

Plum curculio is a weevil commonly identified as Conotrachelus nenuphar and an important orchard pest in North America. Adult females make crescent-shaped scars in young fruit and lay eggs beneath the skin; the larvae feed inside developing apples, plums, peaches, cherries, and related fruit before...

Boll weevil is the common name for Anthonomus grandis, a snout beetle in the family Curculionidae that feeds on cotton. Adults enter cotton squares and bolls to feed and lay eggs, and the larvae develop inside these reproductive structures, damaging the flowers and developing fiber. Native to Mexico...

The rice weevil, Sitophilus oryzae, is a small snout beetle that infests stored cereal grains in many parts of the world. Adult beetles are usually reddish-brown to nearly black and have four lighter markings on the wing covers; unlike the granary weevil, they have functional wings and can fly. Fema...

The maize weevil, Sitophilus zeamais, is a snout beetle that attacks stored maize and other cereal grains. Adults are usually dark brown to black with four reddish or yellowish spots on the wing covers, and they have functional wings, allowing them to fly between grain stores. The female places an e...

The grain weevil, Sitophilus granarius, is a flightless snout beetle that infests stored wheat, barley, oats, rye, rice, and other cereal grains. Adult beetles are dark brown to nearly black, with a long curved snout, and the larvae develop inside individual kernels after the female drills an openin...