cotton grey weevil scientific name

Photo 5. The Boll Weevil gets its name from the cotton bolls it destroyed Cotton bolls are hold the white tufts most people are familiar with. Grey weevil, Oribius species damage to taro. TNAU Agritech Portal :: Crop Protection :: Pests. They are usually small, less than 6 mm (1⁄4 in) in length, and herbivorous. Photos 3-6 Walker K (2006) Oribius weevil (Oribius inimicus and Oribius destructor). Family: Malvaceae. Weevils usually have a dark colored body that ranges from brown to black. Genus: Otiorrhynchus. Descriptions Of Some Weevils Reared From Cotton In Peru By dopeb | 06.11.2020 | 550550 It is a response to ecological demands of egg deposition.[8]. Because so many species exist in such diversity, the higher classification of weevils is in a state of flux. They are usually small, less than 6 mm ( ⁄4 in) in length, and herbivorous. Deporaus marginatus (Pascoe, 1883) Preferred Common Name. Between these times they remain within the canopy, move towards the base of the plant or, possibly, move off the plant. One species of weevil, Austroplatypus incompertus, exhibits eusociality, one of the few insects outside the Hymenoptera and the Isoptera to do so. As the cotton plant forms buds, the Boll Weevil devours the … They also move frequently between plants, probably at night. 35 By. Bright, Donald E.; Bouchard, Patrice (2008). [1] In more derived weevils, the rostrum has a groove in which the weevil can fold the first segment of its antennae. The boll weevil (Anthonomus grandis) is a beetle that feeds on cotton buds and flowers. These have a pair of antennae on their head that used as the sensors. Most weevils have long, distinctly elbowed antennae that may fold into special grooves on the snout. Note that there are more than 50 species, of which seven are crop pests. in Pompano Beach a city in Broward County Florida. Weevils are beetles belonging to the superfamily Curculionoidea, known for their elongated snouts. Further work resulted in the elevation of Cimberididae to family from placement as a Nemonychidae subfamily in 2017 and the recognition of the Cretaceous age family Mesophyletidae in 2018 from Burmese amber. It feeds on the buds and flowers of the cotton plant. In citrus, which is highly susceptible, fruit yield on protected plants was 1800% higher than on those unprotected! Grey weevil, Oribius species damage to taro, showing chewed leaf stalks. Oribius inimicus and Oribius destructor are the two most common and damaging grey weevils of crops in the highlands of Papua New Guinea. Fortunately, it was eradicated in the United States by a U.S. Department of Agriculture (USDA) program in cooperation with state agencies and cotton farmers. A 1995 classification system to family level was provided by Kuschel,[5] with updates from Marvaldi et al. Three specimens were id… DEPOMA (Deporaus marginatus) Note that there are more than 50 species, of which seven are crop pests. Thought to be native to Central Mexico , [1] it migrated into the United States from Mexico in the late 19th century and had infested all U.S. cotton-growing areas by the 1920s, devastating the industry and the people working in the American South. Identification (and life cycle/seasonal history) The Pea leaf weevil (Sitona lineata) is a pest of seedling pea plants. Some other beetles, although not closely related, bear the name "weevil", such as the biscuit weevil (Stegobium paniceum), which belongs to the family Ptinidae. Narrow. Title. Oribius species. English: mango funnel-rolling leaf weevil; mango leaf weevil; EPPO code. The female bores egg channels into the buds of Alcea rosea. Description: The adults are brown to grayish brown, fuzzy beetles with prominent snouts (or bills) bearing the mouthparts, and varying in size from 1/8 to almost ½ inches long. In later instars, the dark lines become less conspicuous, and the black spots develop red areas around them. In the highlands of Papua New Guinea, grey weevils are present throughout the year, but are highest during the rainy season, November to April. Cotton Boll Weevil Common Names: Cotton Boll Weevil, Boll Weevil. Adult whitefringed weevils are 10-13 mm long, slate-grey with a distinctive white strip on each side of the wing covers. Project CP/2001/032. You can clearly understand whether the beetle is a Weevil by seeing its head. They occur in both lowlands and highlands, in cropping areas and forests. Cotton or weevils . Oribius destructor Marshall; Preferred Common Name.
They feed largely on cowpea and accumulated soybeans. Damage has been reported on important crops, including avocado (shot-hole of leaves, and scaring of fruit), capsicum (fruit damage), citrus (destruction of leaves, consumption of flower buds, and surface scaring of fruit), Irish potato (leaf and root damage leading to yield reduction), and strawberry (foliage and fruit destroyed). Brisbane City Council weed identification tool. Scientific name: Gossypium spp. From the true weevils, Gonipterinae and Ramphus have short scapes and little or no elbow. Their large black jaws are clearly visible but the yellow brown head is generally not seen as it is retracted into the body. Grey weevil, Oribius destructor (compared to Oribius inimicus the body is shiny black). Eggs are laid in the soil at the base of plant stems, and the larvae feed on the roots. Notice the chewed leaf stalks, and downard bending of the leaves. Thus, the dimorphism is not attributed to sexual selection. The physical appearance of the weevil is based on the species. They are generally divided into two major divisions, the Orthoceri or primitive weevils, and the Gonatoceri or true weevils (Curculionidae). It is a major host of grey weevils. Scientific Name: Anthonomus musculus (Say) Magnified view of a Cranberry weevil next to a U.S. penny Cranberry weevil (on the rim of a 12″-diameter insect sweep net) ... A few others of economic importance are the boll weevil (in cotton), the strawberry weevil and the apple curculio. The mobile application is available from the Google Play Store and Apple iTunes. The grain or wheat weevil (Sitophilus granarius) damages stored grain, as does the maize weevil (Sitophilus zeamais) among others. Gossypium (/ ɡɒˈsɪpiəm /) is a genus of flowering plants in the tribe Gossypieae of the mallow family, Malvaceae from which cotton is harvested. The adults do most damage (Photos 1&2). This article is about the beetles. Oribius inimicus and Oribius destructor are the two most common and damaging grey weevils of crops in the highlands of … Apple iOS Edition, http://weeds.brisbane.qld.gov.au/weeds/thickhead. The mouth of the weevil lies at the end of the snout. They are up to 13 mm long, are legless and, have a grey-white body. Beetle Families by Common Names (see also beetle families by scientific names) Primitive Carrion Beetles: Trout-stream Beetles: Anamorphid Beetles: Antlike Flower Beetles: Fungus Weevils: Soft-bodied Plant Beetles: Leaf Rolling Weevils: Bostrichid Beetles: Dry Bark Beetles: Straight-snouted Weevils: Metallic Wood-boring Beetles: ] and was achieved using phylogenetic analyses areas off the crop weevils in Papua New Guinea of them in morning. Largest coleopteran families ( about 40,000 species ) highlands, in severe cases, kill trees and.... Of variation in colour it is retracted into the buds cotton grey weevil scientific name flowers of the wing covers weevil! 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