WebApr 11, 2024 · Stored products of agricultural and animal origin are attacked by more than 600 species of beetle, 70 species of moths and about 355 species of mites, causing qualitative and quantitative losses. [20]. Cowpea weevil (Callosobruchus maculatus) is known to cause damage to cowpea seeds (Musa, 2013). WebApr 1, 2024 · We studied the seed beetle Callosobruchus maculatus, which, as adults, do not drink or eat; however, males provide their mates with sperm, as well as nuptial gifts, including nutrients and...
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WebMar 3, 2024 · While multiple C. maculatus larvae can develop inside a single cowpea seed, our previous results suggested that the effects of seed size variation on adult … WebMay 30, 2024 · As Marlowe Hood at Agence France Presse reports, males cowpea seed beetles have evolved elaborate and imposing spiked penises that pierce their partners' reproductive tracts while they mate. A team of researchers set out to figure out why. “The extraordinary genitalia and reproductive traits of males of this insect have spurred our … captain of gilligan\u0027s island
Components of Cowpea Resistance to the Seed Beetle
WebThe cowpea weevil, Callosobruchus maculatus (Coleoptera: Bruchidae), is an important pest of legume (Fabaceae) seeds both in the field and in storage. The infestation of the … Webseeds. In cowpea (i.e. the largest host), 76% of Asian-infested seeds germinated, whereas the germination rate of African-infested cowpeas (92%) was similar to that of uninfested seeds. 5 Effects of beetle origin persisted after germination. Seedlings derived from Asian-infested seeds had greater cotyledon damage 7 days after germination, and ... WebCowpea seed beetle General Information on Pest and Damage. Callosobruchus beetles are important pests of pulses. Infestation commonly... Biology and Ecology of Cowpea Seed Beetles. Eggs are small (0.75 mm long), clear, shiny and smooth, and oval or spindle... General Information on Pest and Damage Damage The larger grain borer was … The main beetle pests of storage are bruchids (e.g. cowpea seed beetles and … Adult fruit fly Ceratitis fasciventris are 4.5-6 mm long, brightly coloured, usually in … Caterpillars are pale yellowish-green to green covered with fine, tiny scattered, … Introduction. The African armyworm is a migratory moth, the larvae (caterpillars) … Introduction. The African bollworm is a pest of major importance in most areas … The tobacco whitefly (Bemisia tabaci) and the greenhouse whitefly (Trialeurodes … The fungus is both seed-borne and soil-borne. It may become established in … Introduction. The root knot nematode species, M. incognita, is the most … Introduction. The African sweet potato weevil (Cylas puncticollis) is one of the … captain of diamond princess