International journal of tropical insect science, vol. Life cycle of bean beetles, callosobruchus maculatus. Laboratory rearing of active phase of callosobruchus 587 discussion from the present study it is obvious that active i. Introduction to bean beetles invasive insect species threaten ecosystems throughout the world as a consequence of global climate change. Essential oils were extracted by steam distillation from cymbopogon nardus, cymbopogon schoenanthus and ocimum basilicum. Some aspects of the biology and control of the cowpea weevil. The biological control of callosobruchus maculatus. One mendelian trait has been described for bean beetles, body color which is autosomal and has alleles with incomplete dominance. Callosobruchus maculatus is a species of beetles known commonly as the cowpea weevil or cowpea seed beetle. It causes substantial quantitative and qualitative losses manifested by seed perforation and reductions in weight, market value and germination ability of seeds 7. Callosobruchus maculatus calsmaoverview eppo global database. Coleopterabruchinae is a major pest of cowpea in the sahel. Polymorphism and ecological reactions in callosobruchus.
Callosobruchus chinensis is a common species of beetle found in the bean weevil subfamily, and is known to be a pest to many stored legumes. The copulatory behavior of the bruchid beetle callosobruchus maculatus may reflect a sexual conflict over copulation duration. Gcead and gcms revealed 2ethylhexanol as the bioactive component. A taxonomic genus within the family chrysomelidae certain of the bean weevils. The cowpea seed beetle, callosobruchus maculatus fab. Control of cowpea weevil, callosobruchus maculatus f. The duration of the different states of the cowpea weevils, callosobruchus maculatus f. Bean beetles, also known as callosobruchus maculatus, are agricultural pests, fox c. Callosobruchus maculatus has a karyotype of ten chromosome pairs 2n20. Effects of gammaradiation on the biology and on the ovary of the cowpea weevil, callosobruchus maculatus f. 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.
They bite holes in the grains to enter inside and feed on kernel, damaging several grains in the process. A study on mortality of callosobruchus chinensis l. Other common names include the pulse beetle, chinese bruchid and cowpea bruchid. Callosobruchus maculatus exploration of the deciding. 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. Effects of gammaradiation on the biology and on the ovary. View callosobruchus maculatus research papers on academia.
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. There are a number of species of callosobruchus that may be found attacking pulses, of which the most common and well known is c. Studies on the life history and ovi positional preference. Callosobruchus maculatus bean beetle by alissa walens on.
Alternation of cowpea genotypes affects the biology of. Callosobruchus maculatus fabricius taxonomic placing. Experiments using naive females established differences in host specificity among geographic strains of the seed beetlecallosobruchus maculatus. Bruchidae, is a worldwide insect pest that infests pulses in the fields and seeds in storage. Pdf origin and evolutionary history of the cosmopolitan insect pest. Influence of temperature and humidity on populations of. A pest of pulses, cowpea, soybean, gram, pigeon pea, lablab etc. Biology i labbean beetle report biology i lab 31 january. It causes substantial quantitative and qualitative losses manifested by seed perforation and reductions in weight, market value and germination ability of seeds. Pdf on nov 26, 2019, qianquan chen and others published seedcoat colour affects oviposition in the bean beetle, callosobruchus maculatus coleoptera. 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. Adults of most species known from stored pulses may be identified using the bruchid key in haines 1991. These weevils cause loss of quality, quantity and seed viability. 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.
Bean beetles, callosobruchus maculates, are agricultural pests that attack legumes. Life cycle and hostes of callosobruchus maculatus coleoptera. Biological control of bruchid callosobruchus maculatus f. Essential oils residual effects on callosobruchus maculatus coleoptera. They were used in fumigation to investigate their absorption by cowpea, vigna unguiculata seeds during treatment and their residual effects on adult callosobruchus maculatus fabricius survival and female reproduction, and seed germination.
Studies on the life history and ovi positional preference of. This larval competition confers an advantage on females that disperse eggs uniformly. The female grubs shows an oviposition period, with an average of duration, of 10. Males have spines on their intromittent organs that puncture the female reproductive tract, and females kick their mates during copulation. Semiochemical modulation of host preference of callosobruchus. Ambayeba muimbakankolongo, in food crop production by smallholder farmers in southern africa, 2018. We created inbred lines by carrying out fullsib matings for 5 generations. An investigation has been conducted on the life history and ovipositional preference of callosobruchus maculatus reared on five different pulses. Bruchidae to test whether they conform to predictions of an optimality model. Fifty grams of each plant product garlic, peppermint and. As the beetles can actively fly, the infestation can start in the. A handbook on bean beetles, callosobruchus maculatus.
Pdf evolution of host acceptability and suitability in. Effects of gammaradiation on the biology and on the ovary of. Oviposition decisions in the seed beetle, callosobruchus. Pdf effectiveness of spinosad naturalytes in controlling. The genus callosobruchus was formerly in the family bruchidae common name. However, the weevils discriminated among the cultivars in fourchoice tests and showed. Pdf seedcoat colour affects oviposition in the bean. Bean beetle genome about bean beetle genome sequence. Nnatural incidence of bruchid parasitoid dinarmus sp. It is a member of the leaf beetle family, chrysomelidae, and not a true weevil.
The life cycle consisted of egg, four larval instars l 1, l 2, l 3 and l 4, pupa and adult. Callosobruchus chinensis, the pulse beetle zoology for. We studied response of callosobruchus maculatus to odors of three legume seeds. Bruchidae, is a cosmopolitan fieldtostore pest ranked as the principal postharvest pest of cowpea in the tropics. The morphometric measurements revealed that the average length and breadth of egg were 0. Copulation duration of the second male did not have a significant effect on p2 in the p2 experiment in a glm, using binomial errors of the number of. Biology i lab 31 january 2017 bean beetles callosobruchus maculatus bean preference for oviposition of larvae abstract. The genus callosobruchus was formerly in the family bruchidae. Callosobruchus maculatus is a major pest of beans storage. Bambara groundnut seeds are liable to a simultaneous attack by two species of bruchidae, callosobruchus subinnotatus pic and particularly by callosobruchus maculatus f. Pdf article provides a summary of the biology the bruchids, their damage and how they can controlled in mungbean find, read and cite all. Pdf morphometric identification of cowpea weevil populations. Essential oils residual effects on callosobruchus maculatus.
They are most prevalent in africa and southeast asia. In this study, we examined the toxicity and persistence of ground fresh leaves of b. Novel ovipostion discussion like comment share in this experiment it was speculated if c. Merci pour votre participation active et meilleurs voeux pour microbiologie et pathologie infectieuse. Callosobruchus maculatus an overview sciencedirect topics. 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. The biological control of callosobruchus maculatus fabricius. Reduction of postharvest loss caused by callosobruchus maculatus f. Some aspects of the biology of callosobruchus maculatus f. Adaptation of a callosobruchus maculatus strain to vicia faba, as its. The effect of alternation of cowpea genotypes, susceptible s and resistant r, on the biology of c. Cowpea, callosobruchus maculatus, bruchidius atrolineatus. A handbook on bean beetles, callosobruchus maculatus bean. Cosmopolitan, probably of west africa origin, whence it was distributed around the globe with the trade in legumes.
Olfactory and ovipositional preference of two strains of callosobruchus chinensis. There was no difference in numbers of eggs laid in between the two mating opportunities 48 h between females of the three experimental groups anova. 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. 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.
Efforts are being made by the government in order to increase agricultural production, but selfsufficiency. Poorani abstract pulse beetle, callosobruchus maculatus f. Variations in body size and some life history traits among callosobruchus maculatus fab. This common pest of stored legumes has a cosmopolitan distribution, occurring on every continent except antarctica. Cosmopolitan, probably of west africa origin, whence it was distributed around the globe with the trade in legumes host plants. General information about callosobruchus maculatus calsma. Heritable variation in body size is well described fox et al. Laboratory rearing of the active phase of callosobruchus. Biology and morphometric measurement of cowpea weevil. Each seed is a discrete resource package,so that much of the biology of seed beetles is similar to the biology of parasitoids. Understanding how these beetles grow will help your students understand why these insects are agricultural pests in a large part of the world. Get details about the different stages of the bean beetle life cycle along with tips for successfully culturing the creatures. Coleoptera is a major pest of stored blackgram, greengram, cowpea and other pulse grains.
Effect of the infection of callosobruchus maculatus fab. It is in the subfamily bruchinae, the bean weevils. Pronunciation of callosobruchus maculatus with 2 audio pronunciations, 1 meaning and more for callosobruchus maculatus. The beetle most likely originated in west africa and moved around the globe with the trade of. The evolution of oviposition tactics in the bean weevil. Ests were recently produced from the larval midgut of the cowpea weevil callosobruchus maculatus, 73 allowing further comparison among these three phytophagous species. Dec 31, 2014 the cowpea weevil, callosobruchus maculatus f. Bruchidae survival and female reproduction and cowpea seed germination volume 25 issue 2 g. Effect of experience on host preference in callosobruchus. Chromosome 10 is a sex chromosome and males are the hetergametic sex figure 3. Callosobruchus is a genus of beetles in the family chrysomelidae, the leaf beetles. This species is very interesting in the fact that adult beetles have no need for food or water as their short lifespan of one to two weeks is spent mating and laying eggs.
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