Insects free fulltext molecular mechanism underlying. Pdf biology of red cotton bug waqar shafqat saeed academia. A revision of the genus dysdercus boisduval hemiptera. Bioinformatics is a computerassisted interface discipline dealing with acquisition, storage, management, access and processing of biological data. Fiftyfive compounds were identified in the defensive glands 34 in posterior dorsoabdominal glands ofnymphs and 21 in metathoracic glands of. Both adult and nymphal instars reduce the fruit quality and crop yield. Animal and plant insecticides for sustainable agriculture development. Biology of the cotton stainer, dysdercus cingulatus. Pyrrhocoridae hemiptera lint stainers eggs are laid in moist soil or in crevices in the ground. Feeding of this and other species of dysdercus on cotton bolls causes the boll to abort and shed pomeroy and golding, see economic impact. Further investigation of the biological control potential of r. A girdlelike marking or structure, such as a band or ridge, on an animal. Comparison of the newly introduced rearing methods of.
Exploring the insecticidal potentiality of amorphophallus. Initially, it was found that treatment of high doses of azadirachtin to the last larval instar of epilachna varivestis arrested. Agriculture entomology and pest pesticides course bachelor of science author. Purification and properties of prothoracicotropic hormone ptth. There were five nymphal instars, and the total nymphal period lasted 3241 days. Mar 02, 2015 the present investigation was carried out to evaluate the parasitoids trichogramma raoi, t. Hemipteran group of sap sucking insect pests cause worldwide crop destruction. Food plant and feeding biology of the pyrrhocoroidea hemiptera.
Dysdercus suturellus punctures and sucks young bolls, preventing them from coming to maturity. Freshly laid eggs 50 were treated 5 times with 100 ppm of the extract 0. Stage preference and functional response of rhynocoris longifrons. Comparison of the effect of the geometrical isomers of. Cingulate neurobiology and disease is a major publication in neuroscience, one that will have a major influence on research for years to come. Analysis of juvenile hormone and ecdysteiod titre in plumbagin, juglone and menadione treated dysdercus cingulatus pyrrhocoridae.
Immunodiffusion tests showed the presence of at least 4 antibodies formed against 4 proteins in the flightmuscle extract. Enter your mobile number or email address below and well send you a link to download the free kindle app. Insecticidal and ovicidal effect of biocides on red cotton bugs, dysdercus cingulatus. The midgut of dysdercus peruvianus is divided into three sections v1. Dysdercus cingulatus pdf the biology of dysdercus cingulatus f. Dysdercus cingulatus is a species of true bug in the family pyrrhocoridae, commonly known as the red cotton stainer. In the laboratory, the incubation period lasted 69 days in both sexes.
Sahayaraj and kalidas 46 show that padina pavonica linn. The exocrine secretions from the nymphs and the adults of both sexes ind. Files are available under licenses specified on their description page. As these last two species are in the same superfamily pyrrhocoroidea as l. Biology of the cotton stainer, dysdercus cingulatus fabricius pyrrhocoridae, hemiptera. Insecticidal activity of chrysanthemum indicum against red cotton. Dysdercus cingulatus, red cotton bug rcb, has also shown significant susceptibility to cea intoxication.
Egyptian journal of biology african journals online. Pdf biology of red cotton bug, dysdercus cingulatus semantic. Males of the southern green stink bug nezara viridula release a pheromone that attracts females, males, latestage nymphs, and a parasitoid aldrich et al. Neurosecretory control of feeding and digestion by ovarian endocrine factor in dysdercus cingulatus. Faunistic papers or fieldbased studies of the natural history of the egyptian fauna should be directed to our sister journal, the egyptian journal of natural history. Effect of extract of ailanthus excelsa on red cotton bug. Efficacy of fungal entomopathogens against red cotton. Like other true bugs, dysdercus cingulatus sucks fluids from its host plants. Pyrrhocoridae pentatomomorpha genera heteroptera stubs. Studies on the biology and life cycle of dysdercus koenigii. An emerging serious threat for cotton crop in pakistan. In puncturing an orange, a cotton stainer often inserts its beak full length with no visible wound.
Dysdercus cingulatus dysdcioverview eppo global database. Comparison of the newly introduced rearing methods of cotton. We recorded whether male and female dysdercus cingulatus fab. Nymphs are red coloured with black median dorsal spots on the intertergal membrane of 34, 45 and 56 abdominal segments. Biology of red cotton bug, dysdercus cingulatus semantic scholar. Insecticidal activity of chrysanthemum indicum against red. This insect has been a severe pest of oranges on occasions. Dysdercus cingulatus grows to a length of 12 to 18 mm 0.
General information about dysdercus cingulatus dysdci eppo global database. Entry of proteins from degenerating flight muscles into. Red cotton bug tambde dhekun dysdercus cingulatus fab. Nymphicidal and ovipositional efficacy of seaweed sargassum tenerrimum j. Cingulate definition of cingulate by the free dictionary. Dysdercus synonyms, dysdercus pronunciation, dysdercus translation, english dictionary definition of dysdercus. Chetan jawale author year 2016 pages 94 catalog number v321240 file size 7594 kb language english tags pesticide agricultural pest noninsect pest pest control plant protection insect pest india quote paper. It is closely related and very similar to dysdercus koenigii but d. It is a serious pest of cotton crops, the adults and older nymphs feeding on the emerging bolls and the cotton seeds as they mature, transmitting cottonstaining fungi as they do so. Find the top 100 most popular items in amazon books best sellers. Seven compounds were identified in the anterior glands, and eleven in the median dorsoabdominal glands of nymphs and adults of both sexes. Immunohistochemical demonstration of brainmidgut endocrine system in the cockroach. Biological control of insect pests of medicinal plants. Bionomics, dysdercus koenigii, reproductive biology, cottonseeds introduction thus they are difficult.
Study on relative toxicity of certain insecticides to the adults of dysdercus cingulatus fabricius tanu sharma section of entomology, department of zoology aligarh muslim university, aligarh 2002002 up, india received april 28, 2009 accepted july 15, 2009. Apr 14, 2020 the biology of dysdercus cingulatus f. Dysdercus koenigii fabricius, also known as red cotton bug, is one of the major pests of okra in india. Chemistry of pheromonal and defensive secretions in the. The effect of all eight geometrical isomers of the juvenile hormone methyl10,11epoxy7ethyl3,11dimethyl2,6tridecadienoate was tested on blatt. Colocasia esculenta tuber agglutinin cea, a mannose binding lectin, exhibits insecticidal efficacy against different hemipteran pests. Antiserum to flightmuscle proteins was developed by injecting flightmuscle extract into rabbits. Females of dysdercus cingulatus and pyrrhocoris apterus also produce substances attractive to. S ignacimuthu s j abebooks abebooks shop for books.
Efficacy of fungal entomopathogens against red cotton stainer. Indian cotton stainer dysdercus cingulatus inaturalist. Both the adult and nymph feed gregariously on the leaves and green bolls of cotton. Dysdercus maurus distant, the cottonstainer, is a very important agricultural pest in tropical regions brisolla et al 1992. Dysdercus cingulatus were collected and cultured in the laboratory at optimum temperature 27 2c and rh about 80%. Dysdercus a genus of slender longlegged bugs that feed on the developing seeds of cotton and stain it genus dysdercus arthropod genus a genus. However, the molecular basis behind such entomotoxicity of cea has not been addressed adequately. Females of dysdercus cingulatus and pyrrhocoris apterus also produce substances attractive to males osmani and naidu, 1967. The role of mannose specific monocot lectins have recently been worked out in hemipteran pest management. Studies on the biology and life cycle of dysdercus. Arthropods are many and they inhabit all sorts of environment. The present article demonstrates the insecticidal efficacy of a new mannose specific agglutinin, isolated from tubers of amorphophallus paeonifolius amtl against a wide range of hemipteran insects. Study on relative toxicity of certain insecticides to the adults of dysdercus cingulatus fabricius tanu sharma section of entomology, department of zoology aligarh muslim university, aligarh 2002002 up, india received april 28, 2009 accepted july 15, 2009 abstract. Blood protein concentration in relation to vitellogenesis in dysdercus cingulatus.
Reed college online writing lab example of a wellwritten. S ignacimuthu s j abebooks abebooks shop for books, art. The only part of the cotton plant affected by this. The red cotton bug, dysdercus cingulatus fab is an important pest damaging okra in. Transactions of the royal entomological society of london, 988.
The plant leaves were dried, powdered and extracted in soxhlet apparatus in methanol and ethyl acetate solvent for 24 hrs. Molecular mechanism underlying the entomotoxic effect of. In laboratory techniques in biochemistry and molecular biology ed. Insecticidal activity of methanol and ethyl acetate leaves extract of chrysanthemum indicum were studied against dysdercus cingulatus. You may do so in any reasonable manner, but not in any way. Blood protein concentration in relation to vitellogenesis in. Digestive and absorptive sites along the midgut of the cotton seed. Media in category dysdercus cingulatus the following 22 files are in this category, out of 22 total. This species is responsible for losses of seed weight, seed oil content and for several cotton ball damages produced by bacterial and fungal opportunistic attacks in many malvaceae species almeida et al 1986. This file is licensed under the creative commons attribution 3. Dysdercus cingulatus fabricius, 1775 red cotton bug dysdercus evanescens distant, 1902 dysdercus koenigii fabricius, 1775 red cotton stainer indian subcontinent. Feeding of this and other species of dysdercus on cotton bolls causes the boll to abort and shed pomeroy and golding, 1923 see economic impact.
Regulation of migration bioscience oxford academic. The basic information on biology is required for the development of pest forewarning system. It is a serious pest of cotton crops, the adults and older nymphs feeding on the emerging bolls and the cotton seeds as they mature, transmitting cotton staining fungi as they do so. Oct 07, 2015 the red cotton bug dysdercus cingulatus is a sap sucking hemipteran pest that causes considerable yield loss by feeding on the tender leaf and cotton seeds. Body size, symmetry and courtship behavior of dysdercus. Dysdercus definition of dysdercus by the free dictionary. Zoology and wildlife conservation agricultural research cotton plant diseases and pests plantpathogen relationships research. Phaeophyceae extract significantly reduced the total body protein of dysdercus cingulatus fab. Dysdercus cingulatus lays eggs singly or in small, loose clusters on the bottom of petridish verma et al.
Blood protein concentration in relation to vitellogenesis. The red cotton bug dysdercus in pakistan, islamabad, pakistan. The study of these animals, therefore, can help the student to understandwhat are the requirements of each kind of environment and how can a living organism develop structural features to adjust. All structured data from the file and property namespaces is available under the creative commons cc0 license. The red cotton bug, dysdercus cingulatus fab is an important pest damaging okra in india. It is mainly red but has a white collar and three black spots. Pyrrhocoridae under laboratory conditions article pdf available in pakistan journal of agricultural sciences 503 september 20. Purification and properties of prothoracicotropic hormone ptth from developing adult brains of the silkworm bombyx mori. Insects free fulltext molecular mechanism underlying the. Efficacy of fungal entomopathogens against red cotton stainer, dysdercus cingulatus fabricius hemiptera.
1445 944 937 503 325 1458 1098 702 1428 698 1249 1075 193 669 1031 1488 180 364 1100 240 1320 809 1063 946 535 121 809 757 1195 694 161 355 194 1061 206 220 184 1085 1196 1278 311 630