Assessment of resistance to the attack of bean beetle. Cosmopolitan, probably of west africa origin, whence it was distributed around the globe with the trade in legumes. This larval competition confers an advantage on females that disperse eggs uniformly. Alternation of cowpea genotypes affects the biology of. Plant powder was mixed evenly with mung bean at the ratios of 1 150, 1 300 and 1. Completion of life cycle takes 45 weeks and there may be 67 overlapping generations in a year. Dec 31, 2014 the cowpea weevil, callosobruchus maculatus f. Pronunciation of callosobruchus maculatus with 2 audio pronunciations, 1 meaning and more for callosobruchus maculatus. Callosobruchus maculatus bean beetle by alissa walens on prezi. Get details about the different stages of the bean beetle life cycle along with tips for successfully culturing the creatures. Biology i labbean beetle report biology i lab 31 january. Insecticidal activity of 2tridecanone against the cowpea.
Essential oil optimizes the susceptibility of callosobruchus. Pdf on jun 6, 2019, khadim kebe and others published origin and. The infestation of beetle after 120 days of treatment with higher of eucalyptus oil, castor oil and neem oil dose i. Reduction of postharvest loss caused by callosobruchus maculatus f. Insecticidal activity of 2tridecanone against the cowpea weevil. Most downloaded journal of stored products research. A nochoice test was carried out in a completely randomized design.
It is a member of the leaf beetle family, chrysomelidae, and not a true weevil. A handbook on bean beetles, callosobruchus maculatus bean. Cosmopolitan in the tropics and subtropics of the world. Callosobruchus is a genus of beetles in the family chrysomelidae, the leaf beetles. Polymorphism and ecological reactions in callosobruchus. The biological control of callosobruchus maculatus. The genus callosobruchus was formerly in the family bruchidae common name. Callosobruchus maculatus bean beetle by alissa walens on.
Chromosome 10 is a sex chromosome and males are the hetergametic sex figure 3. Callosobruchus maculatus has a karyotype of ten chromosome pairs 2n20. Dec 31, 2014 a laboratory study was conducted to investigate the effects of natural products on the reproduction and damage of callosobruchus maculatus, the cowpea weevil, on cowpea seeds at botswana college of agriculture in gaborone, botswana. Some aspects of the biology and control of the cowpea weevil. Bruchidae to test whether they conform to predictions of an optimality model. The life cycle consisted of egg, four larval instars l 1, l 2, l 3 and l 4, pupa and adult.
It has been reported that callosobruchus maculatus could cause 6080% damage to cowpea seeds stored for a period of six months hill, 1983. Adults of most species known from stored pulses may be identified using the bruchid key in haines 1991. Each seed is a discrete resource package,so that much of the biology of seed beetles is similar to the biology of parasitoids. Over 10 million scientific documents at your fingertips. Pdf on nov 26, 2019, qianquan chen and others published seedcoat colour affects oviposition in the bean beetle, callosobruchus maculatus coleoptera.
The larvae of this species feed and develop exclusively on the seed of legumes fabaceae, while. Poorani abstract pulse beetle, callosobruchus maculatus f. Laboratory rearing of the active phase of callosobruchus. We examined whether such congenital differences affect the degree to which host preference can be modified by experience.
Fifty grams of each plant product garlic, peppermint and. Efforts are being made by the government in order to increase agricultural production, but selfsufficiency. Merci pour votre participation active et meilleurs voeux pour microbiologie et pathologie infectieuse. Pdf origin and evolutionary history of the cosmopolitan insect pest. Other common names include the pulse beetle, chinese bruchid and cowpea bruchid. Occasionally pupation may take place outside the grain in a cocoon made of excretory matter. Density dependent polymorphism in the adult of callosobruchus maculatus. Experimental confirmation of bean preference for callosbruchus maculatus females tyler bayles, radaya ellis, jocelyn kopac, zach zimmerman department of biology, university of wisconsin whitewater abstract the purpose of this study is determine the existence or lack of bean preference in callosobruchus maculatus. Many beetles in the genus are well known as economically important pests that infest stored foodstuffs these beetles specialize on legumes of the tribe phaseoleae, which includes many types of beans used for food. Oviposition decisions in the seed beetle, callosobruchus. There are a number of species of callosobruchus that may be found attacking pulses, of which the most common and well known is c.
The morphometric measurements revealed that the average length and breadth of egg were 0. View callosobruchus maculatus research papers on academia. Bruchids cause major losses during cowpea storage in west africa, two species, callosobruchus maculatus f. Some aspects of the biology of callosobruchus maculatus f. Kristen bosch, joseph adamson, amanda schuilling, alicia castillo, daniel faghihnia dr. Control of cowpea weevil, callosobruchus maculatus f. Boric acid toxicity to the german cockroach, blattella germanica. Walp, is one of the five most important legumes in the tropics and provides the protein for most people in the region and nitrogen to the soils duke, 1990. Callosobruchus maculatus name synonyms bruchus maculatus fabricius, 1775 callosobruchus quadrimaculatus fabricius, 1792 homonyms callosobruchus maculatus fabricius, 1775 common names southern cowpea weevil in english bibliographic. Callosobruchus chinensis, the pulse beetle zoology for ias. A taxonomic genus within the family chrysomelidae certain of the bean weevils. Eggs produced from inbred matings are less likely to develop, have lower hatch rates, and larvae hatching from these eggs have reduced hatchtoadult survival. Biological control of bruchids in cowpea stores by release of.
Callosobruchus maculatus fabricius taxonomic placing. The duration of the different states of the cowpea weevils, callosobruchus maculatus f. The traits of a biotype of callosobruchus maculatus f. Biological control of bruchid callosobruchus maculatus f. Callosobruchus maculatus is a species of beetles known commonly as the cowpea weevil or cowpea seed beetle. A pest of pulses, cowpea, soybean, gram, pigeon pea, lablab etc. Citescore values are based on citation counts in a given year e.
The biological control of callosobruchus maculatus fabricius. Pdf efficacy of plant extracts against the cowpea beetle. Effect of experience on host preference in callosobruchus. One mendelian trait has been described for bean beetles, body color which is autosomal and has alleles with incomplete dominance. Pdf oviposition choice and larval development of the. Understanding how these beetles grow will help your students understand why these insects are agricultural pests in a large part of the world. This common pest of stored legumes has a cosmopolitan distribution, occurring on every continent except antarctica. Bean beetle genome about bean beetle genome sequence. Observations on the ecology of bruchidius atrolineatus pic. As the beetles can actively fly, the infestation can start in the. A laboratory study was conducted to investigate the effects of natural products on the reproduction and damage of callosobruchus maculatus, the cowpea weevil, on cowpea seeds at botswana college of agriculture in gaborone, botswana. Olfactory and ovipositional preference of two strains of callosobruchus chinensis. O efeito dos vapores da 2tridecanona sobre o caruncho do feijaodecorda callosobruchus maculatus foi avaliado. It causes substantial quantitative and qualitative losses manifested by seed perforation and reductions in weight, market value and germination ability of seeds 7.
Generating an epub file may take a long time, please be patient. Biology i lab 31 january 2017 bean beetles callosobruchus maculatus bean preference for oviposition of larvae abstract. Nnatural incidence of bruchid parasitoid dinarmus sp. Pdf seedcoat colour affects oviposition in the bean. Callosobruchus maculatus an overview sciencedirect topics. It causes substantial quantitative and qualitative losses manifested by seed perforation and reductions in weight, market value and germination ability of seeds. The beetle most likely originated in west africa and moved around the globe with the trade of. Callosobruchus chinensis, the pulse beetle zoology for. The evolution of oviposition tactics in the bean weevil.
Several plant could be used to protect the seeds against insects infestation. The cowpea seed beetle, callosobruchus maculatus fab. Several reports on callosobruchus maculatus have been reported on cowpea, v. Heritable variation in body size is well described fox et al. A study on mortality of callosobruchus chinensis l.
Life cycle of bean beetles, callosobruchus maculatus. Tests on effect of several plant materials in controlling. The south india strain of callosobruchus maculatus f. The effect of alternation of cowpea genotypes, susceptible s and resistant r, on the biology of c. Life cycle and hostes of callosobruchus maculatus coleoptera. Cosmopolitan, probably of west africa origin, whence it was distributed around the globe with the trade in legumes host plants. The female grubs shows an oviposition period, with an average of duration, of 10. Although it is commonly known as the adzuki bean weevil it is in fact not a true weevil, belonging instead to the leaf beetle family, chrysomelidae. Callosobruchus maculatus, stored cowpea, methanolic extracts insecticidal plant, pollination introduction view at starvation and undernourishment and 33% of children suffer from chronic malnutrition 1, 2.
Efficacy of plant extracts against the cowpea beetle, callosobruchus maculatus article pdf available in international journal of pest management 50. A handbook on bean beetles, callosobruchus maculatus. Novel ovipostion discussion like comment share in this experiment it was speculated if c. Bruchidae, is an agricultural insect pest of africa and asia that presently ranges throughout the tropical and subtropical world. Insecticidal activity of 2tridecanone against the cowpea weevil callosobruchus maculatus coleoptera. From a methodological perspective, we demonstrate that coalescentbased demographic 45. Experiments using naive females established differences in host specificity among geographic strains of the seed beetlecallosobruchus maculatus.
We created inbred lines by carrying out fullsib matings for 5 generations. Callosobruchus maculatus is a major pest of beans storage. Coleoptera is a major pest of stored blackgram, greengram, cowpea and other pulse grains. Effect of the infection of callosobruchus maculatus fab. They bite holes in the grains to enter inside and feed on kernel, damaging several grains in the process. These cultures represent a geographic biotype of c. Vbn 3 were taken in a plastic container and released with 2 pairs of fresh bruchid adults c. Pdf article provides a summary of the biology the bruchids, their damage and how they can controlled in mungbean find, read and cite all. Bruchidae, and were compared to a powder from cloves of myrtle syzygium aromaticum myrtaceae and to eugenol the essential oil from cloves. The genus callosobruchus was formerly in the family bruchidae.
Ests were recently produced from the larval midgut of the cowpea weevil callosobruchus maculatus, 73 allowing further comparison among these three phytophagous species. Bruchidae, is a cosmopolitan fieldtostore pest ranked as the principal postharvest pest of cowpea in the tropics. Whenever two or more eggs are on a bean, development takes 40 days rather than 33 days, and only 8% of the second eggs develop even in beans with resources enough for two larvae. Side effect of grain protectants on biological control agents. The sequence data are for a laboratory strain of callosobruchus maculatus that as been reared on mung beans vigna radiata for more than 20 years more than 200 generations. Biology and morphometric measurement of cowpea weevil. Laboratory rearing of active phase of callosobruchus 587 discussion from the present study it is obvious that active i. Bean beetles, also known as callosobruchus maculatus, are agricultural pests, fox c.
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