Seed treatments help deter feeding. Larvae tunnel into stems or cobs producing masses of webbing and excreta at the tunnel entrance. Bird cherry oat aphid is green with an orange saddle between the cornicles. Follow the steps below to attract them to your yard by providing suitable habitat, a source of water, and a variety of flowering plants. Maize aphid infested resulting in a yield loss of 0.876% in bean, sorghum, barley, cotton and mustard (Alam et al., 2015a, b, c). Of the many wasps that attack the maize aphid, Aphelinus maidis is common in Hawaii and populations are controlled by this introduced parasitoid. The Australian Plague Locust Commission provides details of hopper migrations. Look for honeydew on leaves, tassels, and cobs. Fungal-based biopesticides offer a better option because they are environment- and consumer-friendly. Minor pests occur irregularly and will not be a problem every season. Maize aphids, Rhopalosiphum maidis. A pair of large leaves extend off of each internode and the leaves total 8–21 per plant. Maize aphid Rhopalosiphum maidis Corn leaf aphid, Green corn aphid Share . The aphid is a vector of several virus diseases, including the debilitating maize dwarf mosaic virus (MDMV) and barley yellow dwarf luteovirus (BYDV). Hence, this document aimed to provide comprehensive integrated pest management practices to reduce crop losses caused by diseases and insect pests of maize. There are at least 4,000 aphid species, and almost every plant will attract aphid pests. Look for colonies in the wholes of leaves at the top of the maize. Inspect emerging seedlings twice per week. Yield loss may occur on water stressed plants. I… 2. Corn leaf aphids are blue-green in color and trimmed in black. Cowpea aphid, Aphis craccivora, is a major cowpea pest. Of the many wasps that attack the maize aphid, Aphelinus maidis is common in Hawaii and populations are controlled by this introduced parasitoid. Management.            Shoot bug. High numbers can cause plants to turn yellow and appear unthrifty. Maize aphid Armyworm Banded blister beetle 8. 2011, Tilmon et al. Spray when caterpillars are feeding (dusk-night). Maize leafhoppers and maize thrips are widespread but irregular in Queensland, and can rapidly re-infest crops after spraying meaning more than one spray may be required. Sooty mould fungi develop on honeydew discharged by the aphids that falls onto the leaves. Soybean aphid, Aphis glycines Matsumura (Hemiptera: Aphididae), continues to be the most significant insect pest of soybean, Glycine max (L.) Merr., in the Upper Midwest of the United States (Hurley and Mitchell 2017).The biology, impacts, and management of soybean aphid have been well reviewed (Ragsdale et al. Note: predatory earwigs are usually larger and light brown in colour. It is a mass production facility with thousands of efficient ‘factories’ per hectare, each storing the sun’s energy through photosynthesis. Chemical control should target small caterpillars (up to 5 mm) and be directed at tassels and emerging silks. 2. Pests can occur at one or more growth stages (Insects that can potentially be a major pest are indicated in bold): Helicoverpa armigera is major, widespread, regular pest. Intercropping beans with maize is a common practice in East Africa. It is grown for fodder as well as for grain. Aphid numbers on maize increased over the six-week period from a mean of 91.2 to 1383.5 and on wheat from a mean of 27.3 in week 18 to 117.7 in week 21. Management. Older plants can outgrow damage but seed yield may be reduced. Neil Groom, technical director for maize seed supplier Grainseed looks at maize, peanuts, chickpea, lucerne) are grown in sequence. 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