Thailand imported goniozus nephantidis from sri lanka. Competitive interactions between goniozus nephantidis and bracon brevicornis, parasitoids of the coconut pest opisina arenosella thiruvengadam venkatesan, sushil kumar jalali and kotilingam. Blackheaded caterpillar, opisina arenosella walker, is a serious pest of coconut palms, causing severe defoliation and yield loss. Goniozus nephantidis appears to be mono phagous within the agroecosystem despite having a fig. Bethylidae, which is known to brood guard and to engage in agonistic contests for individual hosts and which is also an agent of biological pest control. Realtime mass spectrometry shows that the spiroacetal is released by goniozus nephantidis females during dyadic resource contests, with release more common during more aggressive interactions. Despite a degree of internal inconsistency, results from g.
Besides, some entomopathogenic nematodes such as steinernema feltiae is also reared on the larvae of corcyra. Pdf competitive interactions between goniozus nephantidis. Pdf blackheaded caterpillar, opisina arenosella walker, is a serious pest of coconut palms, causing severe defoliation and yield loss. The worlds most trusted source of information about the fascinating world of fishkeeping. Dyadic contests for possession of resources occur across a wide range of animal taxa, with contest outcome often being heavily influenced by the energetic reserves of the competitors. Aspergillus flavus, fusarium semitectum, colletotrichum gloeosporioides, and c.
This document is enh344, one of a series of the environmental horticulture department, ufifas extension. Nov 19, 2019 the effects of plant materials on certain aspect of the development of the rice moth corcyra cephalonica st. Two larval parasitoid wasps goniozus nephantidis muesebeck bethylidae. This page was last edited on 10 december 2019, at 00.
Get pdf mass production of goniozus nephantidis, the parasitoid. Impact of preconditioned larval parasitoid, goniozus nephantidis. Competitive interactions between goniozus nephantidis and. Goniozus nephantidis is the most widely used parasitoid of opisina arenosella.
Brood guarding in a bethylid wasp brood guarding in a bethylid wasp hardy, ian c. The host larvae are parasitized and the parasitoid even feeds on host body fluid. Treatment of breeding sites with insecticides and release of predators and pathogens such as the reduviid platymeris laevicollis and the fungus. Among four housekeeping genes gapdh, rpla, rps18, and ef1beta, ef1beta was selected as a reference gene for. Pdf blackheaded caterpillar, opisina arenosella walker lepidoptera. When tested for its safety and effectiveness in controlling opisina arenosella walker, it is found that they are safe to use in thailand. The coconut black headed caterpillar opisina arenosella, is a species of moth found in multiple regions throughout east asian countries including bangladesh, india, sri lanka, mayanmar, as well as indonesia.
Current theories may be inadequate to elucidate discrete. With these results, the pheromone traps can be recommended for the management of bhc either alone or in combination with release of larval parasitoid, goniozus nephantidis. Quantitative pcr was conducted using the primers shown in table s3 see fig. It is a sturdy gregarious larval or prepupal ectoparasitoid.
Although an insect may be very minute, its body organization and its ability to perform. The effects of plant materials on certain aspect of the development of the rice moth corcyra cephalonica st. The field work is now over, and we have completed working up the prey. The doublesex gene integrates multilocus complementary. A recent study found that larger females tend to win but owner status.
As predicted, smaller clutches are produced by mothers experiencing competition, due to fewer eggs being matured and to a reduced proportion of matured eggs being laid. Cyrtorhynus feltiae neoaplectana carpocapsea is reared on the larvae of c. Laboratory experiment entitled parasitization potential of goniozus nephantidis muesebeck on corcyra cephalonica stainton reared on different rearing media under laboratory condition was under taken. The female practices maternal care of eggs and larvae. An attractive way to improve our understanding of sex determination evolution is to study the underlying mechanisms in closely related species and in a phylogenetic perspective. Regional training workshop on mass production of beneficial. Absence of complementary sex determination in the parasitoid. This document is eeny324 originally published as dpi entomology circular 59, one of a series of the department of entomology and nematology, ufifas extension. Status and management of three major insect pests of coconut. Crytophasidae is an endemic, frequently outbreaking pest of coconut in india and sri lanka. Cornus kousa is thought to be resistant to anthracnose and it can be planted in areas where anthracnose is a problem. Identification of common natural enemy of crop pests and weeds. Bethylidae, and 24 for its new world congener, goniozus legneri gordh, parasitoids of the larvae of the lepidopteran coconut.
Hymenoptera of coconut black headed caterpillar, opisina arenosella walker repalle naganna and shinde cu abstract the study on relative toxicity of different insecticides against g. Ellisa,b, aschool of chemistry, university of manchester, sackville street, manchester, m60, uk b1qd, manchester interdisciplinary biocentre, university of manchester, 1 princess street, manchester, m1 7nd, uk received 18 may 2006. Structural differences between the mandibular glands and intramandibular glands suggest the mandibular glands to be the source of released volatiles. We use laboratory microcosms to assess the prevalence and consequences of mutual interference behaviour in a bethylid wasp, goniozus nephantidis muesebeck hymenoptera. Athrotaxis is a genus of two to three species depending on taxonomic opinion of conifers in the cypress family, cupressaceae. The toxicity of fenvalerate, permethrin, cypermethrin and deltamethrin to the bethylid parasierola nephantidis goniozus nephantidis and bracon hebetor, parasitoids of the xyloryctid opisina arenosella, was tested in the laboratory. Nephtheis oxycorynia fascicularis is a suspension feeder that is found in protected areas receiving gentle water movement and usually inhabits areas on reef dropoffs and those under overhangs.
Insect sex determination systems have been relatively well studied, with a main focus on the orders of. Status and management of three major insect pests of. Encoding community knowledge to support novel interaction. Sexually reproducing organisms have evolved a wide diversity of mechanisms to establish the two sexes. Pdf a novel method of field release of goniozus nephantidis. Hymenopterans are well suited owing to the diverse sex determination mechanisms. Goniozus nephantidis and bracon brevicornis, parasitoids of the coconut pest.
Toxicity of synthetic pyrethroids to larval parasites of. We test this using goniozus nephantidis, a gregarious parasitoid wasp in which the assumption of sizedependent resource acquisition is met via femalefemale contests for hosts. Such an urge operates at all levels of social organization. All structured data from the file and property namespaces is available under the creative commons cc0 license. Evaluation of goniozus nephantidis muesebeck a larval parasitoid in the field against coconut black headed caterpillar opisina arenosella walker in karnataka. The organism i am working on is mouse, which should be able to be done using mm10 or mm9 packages. Denmark, laurence mound, tom skarlinskky, and catharine mannion2 1.
The ovisite preference of goniozus nephantidis hymenoptera. Females of the bethylid wasp goniozus nephantidis fight for possession of paralysed hosts. Bracon brevecornis on european corn borer larva ex. Biological control of the coconut caterpillar opisina.
Parasitization potential of goniozus nephantidis muesebeck. Production of goniozus severely hampered at 350c 46. I am a beginner using goseq for gene enrichment analysis. Files are available under licenses specified on their description page. It was found that the optimum temperature for maximum progeny production was 300c 116. Status and management of three major insect pests of coconut in the tropics and subtropics cork a, hall dr 1998 application of pheromones for crop pest management in the indian subcontinent. Bess beetles, also known as patent leather beetles odontotaenius disjunctus at the university of nebraskas entomology lab. It is considered a pest to these countries, as they infest coconut palm trees, causing considerable damage to the trees, and reducing the plants yield significantly. The pest in its larval stage causes serious damage to the plant, while the adult. Biology of goniozus nephantidis egg female goniozus nephantidis lay eggs on the body of blackheaded caterpillar. The remaining parasitoids did not contribute to parasitization of more than 5% of the host population at any time during any generation16. We cloned two fulllength cdna sequences corresponding to a v. Encountering competitors reduces clutch size and increases.
Larvae of 20 lepidopteran species found on intercrops were screened for use by goniozus nephantidis hymenoptera. Identification of common natural enemy of crop pests and weeds 1. Pdf field evaluation of goniozus nephantidis muesebeck. Direct and indirect influences of intercrops on the coconut defoliator. Although an insect may be very minute, its body organization and its ability to perform the cocoons are grey white, tough and pedunculate. Regional training workshop on mass production of beneficial insects and nematodes 15 19 may 2017. You can modify these specifications at any time by clicking the change items displayed button in the header. Blackheaded caterpillar, opisina arenosella walker lepidoptera. Project i nottingham eprints university of nottingham. The sequences were assumed to be the male and female isoforms based on the sex of the specimen from which the source mrna originated from.
Leafgall thrips of ficus gynaikothrips ficorum gynaikothrips. The interface displays a set of tags action, violent, dark, crime, funny, each with a relevance meter indicating how strongly reservoir dogs exhibits that quality. Goniozus nephantidis muesebeck, one of the dominant and. Field evaluation of goniozus nephantidis muesebeck against coconut blackheaded caterpillar in kerala using different release techniques. Mass production of goniozus nephantidis, the parasitoid of coconut black headed caterpillar opisina arenosella. It is considered a pest to these countries, as they infest coconut palm trees, causing considerable damage to the trees, and reducing. Consult a local pathologist for the latest in control measures. Flowering dogwood 4 which allows the leaves to stay as dry as possible. The pcr was conducted with faststart sybr green master using a lightcycler 480 system roche life science, mannheim, germany.
We hold host and parasitoid numbers constant and vary the degree of femalefemale contact that can occur. Pdf economics of production of goniozus nephantidis. Goniozus nephantidis muesebeck, one of the dominant and effective parasitoids of o. Nov 08, 2015 this page was last edited on 8 november 2015, at 20. Many entomophagus insects attack the blackheaded caterpillar of coconut, opisina arenosella walker during its developmental stages. Pdf direct and indirect influences of intercrops on the. Egfp notes addgene diagnostic digest this image depicts the neb 1kb ladder and a digestion of plasmid 32684 with the following enzymes. Users can purchase an ebook on diskette or cd, but the most popular method of getting an ebook is to purchase a downloadable file of the ebook or other reading material from a web site such as barnes and noble to be read from the users computer or reading device. Eight different artificial rearing media were evaluated to test suitability for c. Pdf goniozus nephantidis muesebeck is an important parasitoid of opisina arenosella walker in coconut ecosystem. Mutual interference reduces offspring production in a. Jun 02, 2016 identification of common natural enemy of crop pests and weeds 1. As a serious defoliator of the coconut trees in india, srilanka, bangladesh and myanmar, the blackheaded caterpillar pest of coconut, opisina arenosella walker nephantis serinopa meyrick, has attracted the attention of agricultural scientists right from the beginning of the present century.
Impact of preconditioned larval parasitoid, goniozus nephantidis muesback on coconut black headed caterpillar opisina arenosella walker. Chapter 1 introduction to the thesis the desire to arrange, organize, describe, name and classify is fundamental in human activity. Competitive interactions between goniozus nephantidis and bracon. Crytophasidae is an endemic, frequently outbreaking pest of coconut in india. Development of microsatellite markers and detection of. Rainey published 5 july 2002 by the american society of mammalogists. Examples of chromosomal sex determination systems are male or female heterogamety, haplodiploidy and multifactorial sex determination. Pdf competitive interactions between goniozus nephantidis and. Mar 20, 2019 users can purchase an ebook on diskette or cd, but the most popular method of getting an ebook is to purchase a downloadable file of the ebook or other reading material from a web site such as barnes and noble to be read from the users computer or reading device. Bethylidae was studied in relation to its hosts, opisina arenosella, the coconut. Brood guarding in a bethylid wasp, ecological entomology 10. The doublesex gene integrates multilocus complementary sex. This page was last edited on 8 november 2015, at 20. Proceedings of the symposium on pest management for stored food and feed, held at bogor, indonesia, 57 september 1995.
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