Web8.2.6.2.3 Maize Beetles. Spotted maize beetles, Astylus atromaculatus (Coleoptera, Melyridae), are among the most damaging pests in the region. They occur primarily in South Africa, where they infest maize and some other crops. The beetles are about 10 mm long and have a distinctive variegated black and yellowish color. WebBlack beetles do not occur every season but when they do, they are a very damaging pest in seedling maize with numbers as low as 1/m2 causing economic losses. High levels of …
Damage and control of the invasive African black beetle
WebAdults are shiny black to reddish-brown, averaging about 12-15 mm in length. Females lay small, white oval eggs singly at soil depth and hatch within 20 days. Larvae resemble white grubs. The primary trapping method for the Black Maize Beetle is general visual inspection. Illustration of the life stages of the Black Maize Beetle NSW Agriculture Webthe preventative control of black maize beetles in maize in South Africa and proved much more effec tive than seed treatment with dieldrin or gamma-BHC. The phorate granules are applied at a rate of 50 g/IOO m row in a 10 cm wide band over the row and lightly worked into the soil at planting to a depth of approximately 2 cm. noun powerful
Purdue University
WebA C.M.R. beetle. S. Louw * Actual size The Spotted Maize beetle. two weeks. The adults live for several months during the summer and there is only one generation a year. The astylus beetle is not only an enemy of maize farmers, but is also a pest in the garden. Although the adult beetles are primarily pollen WebThe Priority Pest List represents the national priorities for the Cooperative Agricultural Pest Survey (CAPS) program and Plant Protection Act 7721 (PPA 7721) Goal 1 early detection ... Black maize beetle . Neoleucinodes elegantalis. Tomato fruit borer . Orthotospovirus Groundnut bud necrosis virus . Groundnut bud necrosis virus (GBNV) WebDifferentiating Anoplophora longhorn beetle damage from that of native wood-boring insects. Published: 2012 PDF (903 KB) Listronotus bonariensis Argentine stem weevil. ... Emerging Pests of Maize. Published: 2024 PDF (907 KB) Yacon Biosecurity Guidance - Preventing the introduction and spread of yacon viruses. Published: 2024 PDF (245 KB) how to shutdown ubuntu from terminal