In storage, maize is severely destroyed by storage insect pests, mainly maize weevil (Sitophilus zeamais). Resultant data was subjected to analysis of variance. (Coleoptera: Curculionidae) is an important insect-pest of maize in the tropics, causing serious losses The control of maize weevil has mainly relied on the repeated use of chemical insecticides, which pose serious threats to human and environmental health. Maize is the second most widely grown cereal crop in Ethiopia. The maize weevil (Sitophilus zeamais), known in the United States as the greater rice weevil, is a species of beetle in the family Curculionidae.It can be found in numerous tropical areas around the world, and in the United States, and is a major pest of maize. In storage, maize is severely destroyed by storage insect pests, mainly maize weevil (Sitophilus zeamais). Methods of control of maize and cowpea storage pests There are two major ways to apply insecticides in order to control storage pests: By mixing the maize grain with the grain, the pest is killed when it gets in contact with the insecticide protected grains. Corn grains treated with powdered leaves of lemon grass and basil exhibited a low mortality of 5.33% and 0.66%, respectively, at 24 DAII. Post-binning: Run bin fan and stirator to ensure uniform temperatures and prevent moisture buildups. INTRODUCTION. Control. With dry maize stored in woven polypropylene bags, Likhayo et al. Weevils in this category include the rice weevil, granary weevil and maize weevil. How to Get Rid of Weevil Bugs. Overview of insect pest management in maize Maize can be attacked by a wide range of insects, but relatively few are major and/or regular pests. is an important storage pest of maize grain in several parts of Africa including Zimbabwe. , 2006 ), whereas much hope lies in host-plant resistance and biopesticides. The maize weevil Sitophilus zeamais (Motschulsky) (Coleoptera: Curculionidae) is an important pest of stored grains, predominantly maize (Zea mays L.), wheat (Triticum L. Contact Scat Pest at 317.758.6300 to service all your pest control needs. Subsequent infestations in store result from the transfer of infested grain into store or from the pest flying into storage facilities, probably attracted by the odour of the stored grain. The only way to control these pests is fumigation. The article summarizes research dynamics on maize weevil postharvest association with maize grain and addressed grain quality and safety after pest-control process. Recommended insecticides include Dust such as Actellic Dust. natural/organic pesticides that help control corn weevils thus aiding in preservation of cereal products. Some . Granary Weevil: This weevil is slightly larger (3/16 inch (4.8 mm)) than the other two weevils. This information is useful to personnel involved on agricultural research and development for developing location specific integrated pest management approach of this pest. Previous studies had confirmed effectiveness of ground powder derived from these plants in control of maize weevil in western Kenya (Ogendo et al., 2004a, Ogendo et al., 2004b). Among the number of disease that cause damage on the maize, maize weevil is the primary insect that causes damages on the maize. (2013) studied the effects of adding maize weevil larvae to the diet on performance parameters. (1987), Wong-Corral et al. Files. With a prolonged head and a distinct snout the . as control treatment. Insects. Sitophilus oryzae, popularly known as "rice weevil" is predominantly found in Asian countries, and is a major stored grain pest of rice and wheat, but due to polyphagous spp. Call 855-891-5410. Maize leafhoppers are a pest of germinating . ), rice (Oryza L. (1996), and Perez- Mendoza (1999) reported that the most abundant storage insect pest of maize in Mexico was the maize weevil, Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae). There is a need for use . Risks. For weevils this includes grain weevils, rice weevils, maize weevils, and bean weevils. the study recommends use of maize cob powder to control weevils. Control measures are dependent on the species, as timing is usually a key component in all control measures. The attack starts in the field where the female lays eggs in a slight hollow on the maize seed. There are two major ways to apply insecticides in order to control storage pests: By mixing the maize grain with the grain, the pest is killed when it gets in contact with the insecticide protected grains. In addition, the maize weevil is difficult to con-trol, especially because the treated grain is the marketable product and may be contaminated with undesirable pesticides (Sighamony et al., 1990). Catalog; For You; Daily Trust. He says these weevil species lay their eggs in corn, wheat, oats, barley, or other grains. The experiment was replicated thrice. The first thing you have to do is find the source of the weevil bug infestation. Electronic journal of grinded and admixed with grains by small scale Environmental, Agriculture and Food Chemistry 6 farmers in traditional pest control systems. IMPORTANCE AS A PEST: Grain weevils are important pests of farm-stored grain. In stored maize, heavy infestations of these pests may cause weight losses of as much as 30-40%, although losses are commonly 4-5%. Methodology Adults of corn weevil were collected from farmers' stored corn grains in the province of Cebu, Philippines. 2016_Suleiman_PeriodicPhysical.pdf (610.32 KB) Date. Types of treatments for grain weevils Use a grain cleaner to remove cracked kernels and other debris. There is a need for use . Approximately, 500 g of Maize Kernels in glass jars were moisture equilibrated in an incubator for a period of one week before infesting with 300 unsexed weevils (Miller et al.,; 1969). biology and ecology of maize weevil and provides prospect of using various physical, sanitary, cultural, botanical, biological and chemical control measures to manage weevil. to some pests such as the maize weevil, and it may be important to identify those varieties. The pattern of insect infestation and A. flavus infection showed strong correlation to high densities of weevils (live or dead) and other secondary species. Corn grains treated with powdered leaves of lemon grass and basil exhibited a low mortality of 5.33% and 0.66%, respectively, at 24 DAII. Risks. The hatched larva bores thin tunnels beneath the seed coat leaving circular holes on the surface of the grain. There have been various studies on biological control agents for the maize weevil. Once you find the source, you need to clear everything out of the area and . Other test plants revealed zero adult mortality. threatening food security include the maize weevil (S. zeamais) and the larger grain borer (Prostaphanus truncutus). This organic concentrate is fast acting and safe enough to use on corn, tomatoes and more with just one day to harvest. Proper aeration. Suleiman, Rashid Rosentrater, Kurt Rosentrater, Kurt Chove, Bernard. The insects are controlled by insecticides that are toxic to humans and pollute the environment. The maize weevil (S. zeamais) is one of the most important insect pests to attack pre and post harvested maize Warui et al (1990). Incidence of Maize Weevil (Sitophilus zeamais Motsch) and its Association with Green Fungus (Aspergillus flavus Link) in Maize Under Storage at Chitwan and Surkhet Districts of … K Bhusal, D Khanal Journal of the Institute of Agriculture and Animal Science 35 (1), 135-142 , 2019 The study assessed efficacy of botanical leaf powders of Eucalyptus tereticornis, Tagetes minuta and Carica papaya in . Despite effective pest control both on farm fields and storage provided by synthetic insecticides, . Image courtesy lucid key server. A-Tex Pest Management of Austin, Texas is well versed in the pantry pests invading homes and businesses locally and in surrounding areas including the granary weevil also known as the grain beetle and wheat weevil. Sitophilus zeamais, a maize weevil is a common pest of stored maize grain, reducing the nutrient content of the seed and unfold economic hardship on farms and marketers. However, the use of synthetic pesticides to protect maize grain against the attack of grain weevil in storage may cause serious health hazards (Talukder and Howse, 1994), problem of pest resistance and resurgence and is quite expensive to smallholder farmer situation (Iloba and Ekrakene, 2006). 2019), under controlled conditions of temperature and humidity (27 ± 1°C and 65 ± 2%, respectively) and in complete darkness (FAO 1974).Weevils without differentiation of sex and age were . In this study, the insecticidal property of methanol, ethanol, and ethyl acetate extracts of Lantana camara leaf oil and powder for controlling maize . Biological control of the pest is still not very successful ( Gillespie et al. Rice Weevil: This weevil has small round pits on the surface of the thorax (although miline is usually free of pits), four red to yellow markings on the forewings, and is able to fly. Biological pest control. 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. An alternative to control insect damage is essential oil from plants. Biological pest control There have been various studies on biological control agents for the maize weevil. The Grain weevil can only breed in grain with moisture content of more than 9.5% and at temperature within the range 13-35C. This is a pest that destroys stored maize, dried cassava, yams, sorghum and wheat. The maize weevil, Sitophilus zeamais Motschulsky, and larger grain borer, Prostephanus truncatus (Horn), cause significant loss to stored maize. To learn how to keep bugs out of your spice rack and kitchen, take a look at our blog. Maize, being an important agricultural crop and among the three most widely grown in the world, plays an important role in the livelihood of smallholder farmers contributing 34-36% daily calorific intake in East Africa and 10% in West Africa. The results showed higher weevil mortality and lower grain loss in the pirimiphos-methyl than in the botanicals (P< 0.05). Step 4. Clean grain contributes to uniform airflow and successful drying. And if your pest control needs professionals, give us a call at (407) 292-7378. Recommended insecticides include Dust such as Actellic Dust. natural/organic pesticides that help control corn weevils thus aiding in preservation of cereal products. The adults and larvae feed internally on stored maize grains or in the field. The predominant control of this pest is the use of synthetic residual pesticides, which have adverse effects on consumers and environment. Since it is an internal pest, residual control will only kill; Exposed adults. Pro Staff, an Orlando pest control company, can help you keep your kitchen pest-free. Authors. This bulletin gives details on the life cycle of the ASW, describes the symptoms of ASW damage in maize and gives a range of control options. Methodology Adults of corn weevil were collected from farmers' stored corn grains in the province of Cebu, Philippines. In order to obtain test insects of Argentine stem weevil (Listronotus bonariensis) ASW occurs throughout New Zealand and is a major insect pest of grasses and cereals including maize.It is responsible for a substantial decrease in plant populations in some maize crops. as control treatment. All hermetic storage technologies and the use of Actellic in PP Weevil-damaged grain is readily recognised by the presence of large holes . These weevils are pests of grain throughout the world. ), and sorghum (Sorghum bicolor) (all Poaceae).In Africa, post-harvest grain losses of maize amounts to about US $4 billion annually, with an estimate of 10 to 88% loss of maize due to stored grain pests (FAO . These bugs in flour or other pantry grains can cause problems in homes, and are part of the pantry pest group. pesticide for the control of pest if effective will reduce some of the problem associated with synthetic or chemical pesticide. The maize weevil Sitophilus zeamais (Motschulsky) is a major pest of stored rice and other grains (Asawalam et al., 2008b). Control. To help prevent weevils, store all of your food in airtight containers. Abstract—Maize weevil, Sitophilus zeamays (Motschulsky) is one of most important economic pest that causes severe economic damage to store grain and its management at the farmers level is must. Conversely, maize experiences post-harvest losses (PHLS . Introduction Storage of maize and other grains is challenged by pest problems that contribute to quality deterioration. Attack by maize weevil often results in great losses of weight and grain viability. In addition, the maize weevil is difficult to con-trol, especially because the treated grain is the marketable product and may be contaminated with undesirable pesticides (Sighamony et al., 1990). A complex of weevils, the rice (Sitophilus oryza), granary (Sitophilus granarius), and maize (Sitophilus zeamais) weevils, are among the most destructive pests of grains, seeds, and grain products stored in elevators and bins.They probably are not native to North America, but entered in seeds carried by settlers through ports. Weevil infestations occur in the field and weevils are carried to the storage facility after harvest.
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