The effect of alternation of cowpea genotypes, susceptible s and resistant r, on the biology of c. The beetle most likely originated in west africa and moved around. Life cycle of bean beetles, callosobruchus maculatus. Effects of gammaradiation on the biology and on the ovary of the cowpea weevil, callosobruchus maculatus f. Coleoptera is a major pest of stored blackgram, greengram, cowpea and other pulse grains.
Susceptibility of the bruchid callosobruchus maculatus. Each seed is a discrete resource package,so that much of the biology of seed beetles is similar to the biology of parasitoids. Novel ovipostion discussion like comment share in this experiment it was speculated if c. The morphometric measurements revealed that the average length and breadth of egg were 0. These weevils cause loss of quality, quantity and seed. Pdf article provides a summary of the biology the bruchids, their damage and how they can.
This common pest of stored legumes has a cosmopolitan distribution, occurring on every continent except antarctica. Pdf origin and evolutionary history of the cosmopolitan. Comparative studies on the biology of callosobruchus. 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. Download fulltext pdf seedcoat colour affects oviposition in the bean beetle, callosobruchus maculatus coleoptera. This larval competition confers an advantage on females that disperse eggs uniformly.
In this study, the population growth of callosobruchus maculatus reared on beans from four cowpea cultivars fertilized with different nitrogen sources was evaluated. Genetic variation in adaptation to foodplants among. Callosobruchus maculatus bean beetle by alissa walens on. 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. In nigeria, there are limited reports in the literature on the biology. Nnatural incidence of bruchid parasitoid dinarmus sp. Biology i lab 31 january 2017 bean beetles callosobruchus maculatus bean preference for oviposition of larvae abstract. Effectiveness of spinosad naturalytes in controlling the. Callosobruchus maculatus is a species of beetles known commonly as the cowpea weevil or cowpea seed beetle. A handbook on bean beetles, callosobruchus maculatus.
Bean beetles, also known as callosobruchus maculatus, are agricultural pests, fox c. View callosobruchus maculatus research papers on academia. Bean beetle genome about bean beetle genome sequence. In the laboratory, spinosad caused high mortality of adult c.
Callosobruchus maculatus, cowpea, 2tridecanone, pilocarpus microphyllus. Bean beetles, callosobruchus maculates, are agricultural pests that attack legumes. Biology and morphometric measurement of cowpea weevil. Bruchidae, is a cosmopolitan fieldtostore pest ranked as the principal postharvest pest of cowpea in the tropics. It is a field to store pest, ranked as the principal postharvest pests of stored pulses, with a cosmopolitan distribution. 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. Bruchidae, the main storage pest of cowpea, vigna unguiculata, walp, in west africa. Biological control of bruchid callosobruchus maculatus f.
Bruchidae is a tropical beetle that develops in the seeds of vigna. Polymorphism and ecological reactions in callosobruchus. The genus callosobruchus was formerly in the family bruchidae common name. It causes substantial quantitative and qualitative losses manifested by seed perforation and reductions in weight, market value and germination ability of seeds. Bambara groundnut seeds are liable to a simultaneous attack by two species of bruchidae, callosobruchus subinnotatus pic and particularly by callosobruchus maculatus f. Olfactory and ovipositional preference of two strains of callosobruchus chinensis. General information about callosobruchus maculatus calsma. Susceptibility of callosobruchus maculatus coleoptera. The damage caused by callosobruchus maculatus on cowpea. It is in the subfamily bruchinae, the bean weevils. One mendelian trait has been described for bean beetles, body color which is autosomal and has alleles with incomplete dominance. Oviposition decisions in the seed beetle, callosobruchus. Influence of temperature and humidity on populations of.
Laboratory and field trials were carried out to determine the efficacy of this pesticide against the cowpea weevil, callosobruchus maculatus f. Callosobruchus maculatus has a karyotype of ten chromosome pairs 2n20. 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 duration of the different states of the cowpea weevils, callosobruchus maculatus f. When the seeds containing the parasitized or non parasitized larvae were exposed to dmds, the lc50 of c. Callosobruchus maculatus fabricius taxonomic placing. Introduction to bean beetles invasive insect species threaten ecosystems throughout the world as a consequence of global climate change.
Callosobruchus maculatus an overview sciencedirect topics. Callosobruchus maculatus attacks pulses or legumes. Chromosome 10 is a sex chromosome and males are the hetergametic sex figure 3. Pronunciation of callosobruchus maculatus with 2 audio pronunciations, 1 meaning and more for callosobruchus maculatus. A study on mortality of callosobruchus chinensis l. Ambayeba muimbakankolongo, in food crop production by smallholder farmers in southern africa, 2018.
An endemic parasitoid, the pteromalid dinarmus basalis rond. Pdf seedcoat colour affects oviposition in the bean. Callosobruchus maculatus fabricius develops in the seeds of vigna unguiculata. Callosobruchus chinensis, the pulse beetle zoology for. Efficacy of two plant powders as cowpea grain protectants against. Influence of temperature and humidity on populations of callosobruchus maculatus coleoptera. They bite holes in the grains to enter inside and feed on kernel, damaging several grains in the process. Pdf on jun 6, 2019, khadim kebe and others published origin and evolutionary history of the cosmopolitan insect pest callosobruchus maculatus l coleoptera, bruchinae. The biological control of 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. However, the weevils discriminated among the cultivars in four.
Diet affects female mating behaviour in a seedfeeding beetle. The biopesticide spinosad controls many insect pests of storedfood products. 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. Beck department of biology, emory university christopher. They are most prevalent in africa and southeast asia. Callosobruchus is a genus of beetles in the family chrysomelidae, the leaf beetles. Beck, professor of pedagogy, emory university, and lawrence s. A pest of pulses, cowpea, soybean, gram, pigeon pea, lablab etc.
Cosmopolitan, probably of west africa origin, whence it was distributed around the globe with the trade in legumes. Callosobruchus maculatus causes major loses in storage. Pdf life history of flight morph females of callosobruchus. Effects of gammaradiation on the biology and on the ovary. Heritable variation in body size is well described fox et. Cosmopolitan, probably of west africa origin, whence it was distributed around the globe with the trade in legumes host. African farmers often introduce essential oils into granaries at harvest time. 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. Chrysomelidae article pdf available in annales zoologici fennici 5616. The female grubs shows an oviposition period, with an average of duration, of 10. Some aspects of the biology and control of the cowpea weevil. Bruchidae article pdf available january 2006 with 2,236 reads how we measure reads. Phytochemical screening and biological activities of.
Bruchidae and its parasitoid dinarmus basalis pteromalidae in two climatic zones of burkina faso volume 86 issue 6 p. Bruchidae to test whether they conform to predictions of an optimality model. Alternation of cowpea genotypes affects the biology of. Other common names include the pulse beetle, chinese bruchid and cowpea. Bruchidae, can cause up to 100% yield loss of harvested cowpea seeds in a few months in storages in west africa lienard and seck 1994. The genus callosobruchus was formerly in the family bruchidae. Adults of most species known from stored pulses may be identified using the bruchid key in haines 1991. Hymenoptera have been recorded in the stored blackgram seeds and also at field level. Reduction of postharvest loss caused by callosobruchus maculatus f.
Control of cowpea weevil, callosobruchus maculatus f. The factors tested were beans from four cowpea cultivars and seven different nitrogen sources. The life cycle consisted of egg, four larval instars l 1, l 2, l 3 and l 4, pupa and adult. Blumer, professor of biology, morehouse college excerpted from a handbook on bean beetles, callosobruchus maculatus. Infestazioni di ips acuminatus gyllenhal coleoptera scolytinae in pinete del cadore. The evolution of oviposition tactics in the bean weevil. Observations on the ecology of bruchidius atrolineatus pic. Insect resistance management for stored product pests. Life cycle of bean beetles, callosobruchus maculatus coleoptera. There was no adult emergence when the seeds containing the developmental stages were exposed to 5. It is a member of the leaf beetle family, chrysomelidae, and not a true weevil. Insecticidal activity of 2tridecanone against the cowpea. A handbook on bean beetles, callosobruchus maculatus christopher w. We created inbred lines by carrying out fullsib matings for 5 generations.