Crambidae is one of the key pest species of cowpea and widely distributed throughout tropical and subtropical regions, causing up to 80% of. Biology of pod borer, maruca vitrata geyer infesting. Highly rich in quality protein and has energy content almost equivalent to that of cereal grain. Introduction the legume pod borer maruca vitrata fabricius syn. A pair of ovaries consists of 8 ovarioles, each of which is separated into distal germarium and proximal. An insight in the reproductive biology of therophilus. Insulin signaling mediates previtellogenic development and.
A study on biology of spotted pod borer, maruca vitrata was studied on greengram under laboratory conditions during rabi 20142015 at the regional agricultural research station, lam, guntur. Therefore, it is important to have a critical look at the basic information on biology, population dynamics, insect densityyieldloss relationships, artificial rearing. Crambidae is a polyphagous insect pest that feeds on a variety of leguminous plants in the tropics and subtropics. Feeding preferences of the legume pod borer maruca vitrata. Crambidae, a serous pest of cowpea and other legume crops.
Materials and methods the studies on biology of lablab bean pod borer, m. Biology of maruca vitrata gayer on groundnut arachis. The objective of this study is to determine whether iis of m. Effects of traditional cooking methods on some antinutrients and in vitro. Lepidoptera on improved cowpea and noncowpea varieties at maradi, niger 1baoua, b. The data are discussed in the context of the potential of a. Naik and others published biology of pod borer, maruca vitrata geyer infesting lablab bean find, read and cite all the research you need on researchgate. The laboratory investigations on biology of pod borer, maruca vitrata geyer was carried out during the year 2012 at the department of agricultural entomology, college of agriculture, dapoli. Laboratory studies on biology of the legume pod borer revealed that the mean longevity of the adult was 8. The legume pod borer maruca vitrata fabricius is one of the key pests of cowpea as the larvae feed on the tender parts of the stem, peduncles, flower buds, flowers and on pods of the plant, causing significant yield losses. Spotted pod borer, maruca vitrata geyer in legumes.
The species was first described by johan christian fabricius in 1787 it can cause losses of 2080% on the harvests of cowpeas. Walp is an important food staple in subsaharan africa. New artificial diet for continuous rearing of the bean pod. Pdf new artificial diet for continuous rearing of the. The bean pod borer, maruca vitrata fabricius lepidoptera. Secondinstar aphis craccivora koch and megalurothirps sjostedti trybom nymphs, and thirdinstar. Past and more recent lighttrap studies in subsaharan africa suggest south to north migration of m. Biology, groundnut, maruca vitrata, instar, caterpillar introduction groundnut arachis hypogaea l.
Pyralidae, the legume podborer, is a key pest of cowpea jackai, 1995 as well as other legume crops. The female moth laid eggs on the flower buds, flower petals, tender pods and on inner surface of glass jar. Efforts to introduce biological control candidate species have had limited success, and yet unrecognized biotic factors such as m. The larva had five instars with mean larval duration of 10. Annals of experimental biology abstract biology of maruca vitrata lepidoptera. Crambidae, and validated its physiological functions using crisprcas9. Biology and ecology of apanteles taragamae, a larval parasitoid of. Crambidae is an important pest of cowpea, vigna unguiculata l. Morphological and biochemical factors associated with. Maruca vitrata fabricius, 1787, senior valid name for maruca testulalis geyer, 1832, a worldwide pest of leguminaceous crops.
Geographic distribution of phylogeneticallydistinct. Tyspanodes striata is a species of moth of the family crambidae described by arthur gardiner butler in 1879. Crambidae, is distributed in subtropical and tropical regions. The newly emerged female adults were fed on 10% sucrose solution. Free biology 2e textbook available for download openstax. Studies were carried out on biology and morphometrics on legume pod borer, maruca vitrata g. Its common names include the maruca pod borer, bean pod borer, soybean pod borer, mung moth, and the legume pod borer. Age depended host maruca vitrata fabricius lepidoptera. Biology and management of maruca vitrata in redgram. Three previously described artificial diets, 1 newlydeveloped artificial diet, and cowpea vigna unguiculata l. Biochemistry and molecular biology science publishing group. Pdf the spatial genetic differentiation of the legume pod borer. In the current study, we examined the feeding preferences of m. Niamey 3 department of entomology, university of illinois at urbana.
Identification and expression analysis of diapause hormone. A suitable artificial diet is desirable for producing uniform insects for commercial purposes or research. Crambidae, is an insect pest species of crops grown by subsistence farmers in tropical regions of africa. Keywords functional response host age temperature apanteles taragamae maruca vitrata life history parameters introduction maruca vitrata fabricius lepidoptera, crambidae is. Biology of the legume pod borer, maruca vitrata fabricius. In view of the importance of the pest, the present study was carried out on the association of different morphochemical traits with resistancesusceptibility to m.
This study identified and characterized a secretory pla 2 spla 2 from legume pod borer, maruca vitrata lepidoptera. Studies on the incidence of maruca vitrata fabricius crambidae. A study on maruca vitrata infestation of yardlong beans. It damages several leguminous crops with losses in the range of 2080% 29. Maruca vitrata fabricius is a key insect pest of cowpea in west africa. Before larvae emerged as adults, pupae were separated. Study biology online for free by downloading openstaxs college biology 2e book and using our accompanying online resources including a biology study guide. Transcriptome sequencing, and rapid development and.
The biology, insect densityyield loss relationships, genotype reactions, and consumption and utilisation of food by the legume pod borer, maruca vitrata fabricius on pigeonpea cajanus cajanand adzuki bean phaseolus angularis were studied. As this insect is a major constraint in increasing the production and produc. The contribution of hostassociated genetic variation on population structure was investigated using analysis of mitochondrial cytochrome oxidase 1 cox1 sequence and microsatellite marker data from m. Grain yield in plants infested with 2 and 4 larvae was the same as that in. The spotted pod borer maruca vitrata geyer is known for its economic importance throughout its geographical distribution because of its destructive nature to reproductive parts of several grain legume crops including pigeonpea. However, there is a dearth of information on its damage potential, distribution and population dynamics in yardlong beans. The impact of gamma radiation on the reproductive biology of the spotted pod borer, maruca vitrata fabr. But the majority of damage is credited to maruca vitrata according to 11. Biology and ecology of apanteles taragamae, a larval parasitoid of the cowpea pod borer maruca vitrata. Studies on biology and management of spotted pod borer, maruca vitrata geyer on redgram were conducted at lam farm and in the laboratory, pulses section, lam farm, guntur during kharif 20072008.
Oct in india, maruca has emerged as an important pest. Ganapathy department of agricultural entomology tamil nadu agricultural university, coimbatore 641 003 spotted pod borer is one of the key insect pests of tropical food legumes damaging tender. It is to publish refereed, wellwritten original research articles that describe the latest research and developments in the area of biochemistry and. The legume pod borer, maruca vitrata fabricius lepidoptera. Maruca vitrata is a pantropical insect pest of leguminous crops like pigeon pea, cowpea, mung bean and soybean. Seasonal and regional distribution of the cowpea pod borer. Biology studies of maruca on refined artificial diet in comparison with natural host plant pigonpea were revealed that, incubation period 2. Studies on the incidence of maruca vitrata fabricius. Fabaceae, a widely cultivated legume crop in subsaharan africa. Groundnut cake, after the oil extraction and haulm serve as high quality fodder. A study on maruca vitrata infestation of yardlong beans vigna unguiculata subspecies sesquipedalis article pdf available in heliyon 0101 september 2015 with 214 reads how we measure reads. With the advent of transgenic bacillus thuringiensis btcowpea, there is a need to identify the feeding preferences of maruca vitrata fab. Neuropeptides play essential roles in a variety of physiological responses that contribute to the development and reproduction of insects. Pdf a study on maruca vitrata infestation of yardlong.
Ncert class 11 biology textbook is available for downloading in pdf formats in both english and hindi language. Maruca vitrata is a serious obstacle for introducing pigeonpea into new areascropping systems, e. Studies were carried out on biology and population dynamics of legume pod borer, maruca vitrata g. It is found in china, taiwan and japan the wingspan is 2632 mm references. Biology 2e is designed to cover the scope and sequence requirements. Euphorbiaceae was studied under laboratory and field conditions against three key insect pests of cowpea, vigna unguiculata l. Understanding the seasonal and geographical patterns of m. Bionomics, host plant resistance, and management of the. Crambidae, is a serious pantropical pest of grain legumes. Chemoreception is a key feature in selection of host plant by phytophagous insects, and odorantbinding proteins obps are involved in chemical communication of both insects and vertebrates.
Larvae of this moth can cause up to 80% of yield losses. Identification and pheromonotropic activity of pheromone. Akinfenwa 1975 3 814 1 514 2527 okeyoowuor and ochieng 1981 3. The seeds 45% and protein 25 28% along with vitamins namely b, e and k. Globally, maruca vitrata geyer is a serious yield constraint on food legumes including yardlong bean vigna unguiculata subspecies sesquipedalis. Bionomics and population dynamics of legume pod borer. Functional response and life history parameters of. Furthermore, species within the genus maruca are morphologically hard to distinguish, and m.
These include biological control using exotic parasitoids. Jackai 1988 have given information on the biology and control of this pest. Radiation biology of a serious tropical pigeon pea pest, maruca. Development of legume pod borer, maruca vitrata on different host plants host plant egg development period days larval prepupal pupal total reference cowpea 5 814 2 7 1835 taylor 1967. Ncert books for class 11 biology click to download free pdf. Deletion mutant of spla2 using crisprcas9 exhibits. Both the diapause hormone dh and pheromone biosynthesis activating neuropeptide pban belong to the pbanpyrokinin neuropeptide family, which has a conserved pentapeptide motif fxprl at the cterminus. Insulininsulinlike growth peptide signaling iis downregulates hemolymph sugar level and facilitates larval growth in the soybean pod borer, maruca vitrata.
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