Opisina arenosella pdf free

Oecophoridae infested leaves of coconut palms article pdf. Opisina arenosella larvae feed on the vascular tissues of coconut fronds by chewing, leading to affected leaves showing a burnt appearance, and also construct protective tunnels and galleries with silk, leaf parts, and frass mohan et al. On some hyperparasites of opisina arenosella 31 acknowledgements the authors are thankful to prof. Millions of people depend on this crop by employed in various coconutbased industries like coconut oil, dry coconut powder, tender coconut, coir, coconut cake, etc. A male mitotic metaphase consisting of 2n 60 elements. Development of a variable rate chemical sprayer for. Development of microsatellite markers and detection of. Integrating biopesticides in pest management strategies.

Since female mosquitoes weighing 2 mg take about 5 mg of blood, it is very likely that the large blood meal causes a temporary osmotic imbalance in the gut signaling the release of peptide hormones from the gut endocrine cells. Synonym nephantis serinopa, ophisina arenosella, opisina serinopa. Competitive interactions between goniozus nephantidis and bracon. Area and production in india year area 000 ha production 000 mt productivity kgha 20092010 1895. A drupe is a fruit with a hard stony covering enclosing the seed like a peach or olive and comes from the word drupa meaning overripe olive.

Land areas with rocks, clayey soils, and waterlogged areas should not be used. The attack will be severe during summer months from januarymay. Leucokinins are a group of structurally related neuropeptides stimulating gut motility and fluid secretion by malpighian tubule in insects. Leaf eatingblack headed caterpillar opisina arenosella symptoms the caterpillar feeds on green matter from the lower leaf surface, remaining within galleries of silk and frass. The field borders should be established along with fence lines. Automated motion tracking of insects using invariant. Pdf volatile organic compounds in healthy and opisina. Extensive and inappropriate pesticide use has led to pests developing. New host records of brachymeria nosatoi habu, the pupal parasitoid of opisina arenosella walk. Chemical pesticides account for onethird to onehalf of the total mean material input cost for vegetable production in the region. In this study, we present a new approach to track multiple insects especially the opisina arenosella larva which is elastomeric in nature. The knowledge on biology and behaviour are prerequisites for semiochemical based pest management. The biology of corcyra cephalonica stainton was studied under controlled conditions in the laboratory. Direct and indirect influences of intercrops on the coconut defoliator.

A brand is a persons gut feeling about a product, service, or organization. Adults are grey the larvae are gregarious and are serious pests of coconut trees. Jagadish and others published biology of rice moth, corcyra cephalonica stainton on foxtail millet. In vitro release of digestive enzymes by fmrf amide. The coconut black headed caterpillar opisina arenosella, is a species of moth. Biocontrol potential and its exploitation in sustainable. This study demonstrates the use of image processing techniques for segmenting insects, a detailed procedure for separating the head and tail sections from the larva trunk to minimize the errors due to deformation, invariant moment features to establish. The coconut black headed caterpillar opisina arenosella, is a species of moth found in. Joseph, head of the department of zoology for the facilities provided thanks are also due to dr. Mutual interference reduces offspring production in a. Opisina is a monotypic moth in the family xyloryctidae described by francis walker in 1864. Discrete generation cycles in the tropical moth opisina arenosella. A brand is not a logo, not an identity, not a product.

Responses of corcyra cephalonica stainton to pirimiphosmethyl, spinosad, and combinations of pirimiphosmethyl and synergized pyrethrins. Impact of innundative releases of bio agents in the. The midgut of hematophagous insects, such as disease transmitting mosquitoes, carries out a variety of essential functions that mostly relate to blood feeding. The potential of insect pheromones to attract natural enemies has mainly been established under laboratory conditions, while. Inhibition of digestive enzyme release by neuropeptides in. Pdf biological control of opisina arenosella walker lepidoptera. Upregulation of human myoinositol oxygenase by hyperosmotic stress in renal proximal tubular epithelial cells. Compacted soils should be ploughed and stumps removed to provide adequate drainage. The treatment consisting release of parasitoids on palms and compared with untreated plots. Oecophoridae in the indian subcontinent may occur in november to may each year in the same or adjoining areas of plantations. The periodicity of adult emergence, calling, courtship, mating and oviposition behaviour of opisina arenosella walker lepidoptera. Direct and indirect influences of intercrops on the. View pdf cite save natural occurrence of biocontrol agents of opisina arenosella walker on coconut.

The leaf eating black headed caterpillar opisina arenosella is a serious pest of coconut palm causing significant yield loss in all the coconut growing tracts of. Spatial and sexspecific dissection of the anopheles. Human resource development has helped to sensitize extension functionaries and farmers about the usefulness of ipm. In lepidoptera sexual, oviposition and adult emergence behaviour follows a specific periodicity and is limited to either the day or the night.

Pdf biological control of coconut black headed caterpillar. During other periods, pests andor parasitoids could be maintained on intercrops that are. Interdisciplinary study with colleagues at institute of wood science and technology, bangalore page 2 of 2 conference proceedings 8. Direct and indirect influences of intercrops on the coconut defoliator opisina arenosella article pdf available in journal of pest science 9 july 2017 with 182 reads how we measure reads. Factors influencing the simulated itcz structure in varying model resolutions and dynamical cores. Coconut black headed caterpillar opisina arenosella in. The receptor was detected as a 75 kda protein band in all membrane preparations with an anti. T, c narendran of the same depart ment for the identification of aphanogmus manilae. Pdf biological suppression of coconut black headed caterpillar. In vitro release of digestive enzymes by fmrf amide related neuropeptides and analogues in the lepidopteran insect opisina arenosella walk. It is found in india, sri lanka, bangladesh and myanmar the wingspan is 1015 mm.

For studying effect of neuropeptides on digestive enzyme release, empty midgut tubes of larvae of opisina arenosella ligated at both ends with hair were incubated with leucokinins lk iviii, lk analogues and leucopyrokinin lpk in a bioassay apparatus. Adult beetle is stout, brownish black or black and has a long horn projecting dorsally from. Pdf discrete generation cycles in the tropical moth opisina. Lc jo is the concentration at which 50% mortality was. Opisina arenosella, and drilled by coconut rhinoceros beetles oryctes rhinoceros. Although the species infests coconut groves almost populations of opisina arenosella, the. Microsatellite markers are especially useful codominant markers that have been used in a wide range of studies to elucidate the population structure and dynamics of a range of organisms, including agriculturally beneficial insects such as parasitic. Molecular genetic markers reveal differences between genotypes according to the presence of alleles the same or different at target loci. Plant based biotechnology has come to represent a means of mitigating the problems of global food security in the twenty first century. Change detection studies in coastal for this purpose, available cloudfree.

Distinct compartments and cell types of the midgut tissue carry out specific functions and vector. The midgut of the female anopheles mosquito is responsible for the digestion of the blood meal and is the entry point and site of extensive interaction with diseasecausing pathogens. These problems result in the decrease in coconut production quantity and severe economic damage to coconut plantations. The leafeating caterpillar, opisina arenosella walker, is the most destructive pest of coconut palm in india and southeast asia. Products and processes in agriculture are increasingly becoming linked to science and cutting edge technology, to enable the engineering of what are in effect. B female mitotic metaphase consisting of 2n 60 chromosomes. Though ipm approach has been taken up since 1981, its impact has not been felt until 1994. These pests cause serious damage to coconut trees, which may eventually lead to dead trees 2. Insect pests of economic significance affecting major crops of the countries in asia and the pacific region. Coconut palm cocos nucifera infestation by opisina arenosella lepidoptera. Evaluation of some advanced garlic lines against premature. Oecophoridae in the indian subcontinent may occur in. Four commercial preparations on opisina arenosella. The midgut of the female malaria vector mosquito anopheles gambiae is a major site of interactions between the parasite and the vector.

Biological control agents and semiochemicals have become essential parts of the integrated pest management of insect pests over recent years, as the incorporation of semiochemicals with natural enemies and entomopathogenic microbials has gained significance. Pdf direct and indirect influences of intercrops on the. Effect of four commercial preparations of bacillus. Formicidae as egg predators of coconut pests, especially in relation to biological control of the coconut caterpillar, opisina arenosella walker lepidoptera. Crytophasidae is an endemic, frequently outbreaking pest of coconut in india and sri lanka. Palmaceae is an important crop and widely cultivated in the tropical and subtropical regions of the world. The coconut plants were selected free from any pesticide application. Grub is stout, sluggish, white cshaped with pale brown head and found at a depth of 5 to 30 cm. Initial field observation and pretreatment sampling revealed that 8090 % coconut plants were affected by opisina arenosella. Download fulltext pdf download fulltext pdf volatile organic compounds in healthy and opisina arenosella walker lepidoptera. Award presentations chemical ecology with a cast of thousands and recognition of one walter s. Respiration a process of interchange of gases between environment and the blood or cellular tissues of organisms.