Impact of preconditioned larval parasitoid, goniozus nephantidis. 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 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. 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.
Parasitization potential of goniozus nephantidis muesebeck. Development of microsatellite markers and detection of. The genus is endemic to western tasmania, where they grow in high altitude temperate rainforests they are mediumsized evergreen trees, reaching 1030 m rarely 40 m tall and 11. Crytophasidae is an endemic, frequently outbreaking pest of coconut in india. The doublesex gene integrates multilocus complementary sex. Impact of preconditioned larval parasitoid, goniozus nephantidis muesback on coconut black headed caterpillar opisina arenosella walker. Goniozus nephantidis is the most widely used parasitoid of opisina arenosella. Goniozus nephantidis appears to be mono phagous within the agroecosystem despite having a fig. This document is eeny324 originally published as dpi entomology circular 59, one of a series of the department of entomology and nematology, ufifas extension. Competitive interactions between goniozus nephantidis and bracon. The ovisite preference of goniozus nephantidis hymenoptera. Although an insect may be very minute, its body organization and its ability to perform the cocoons are grey white, tough and pedunculate. Brood guarding in a bethylid wasp brood guarding in a bethylid wasp hardy, ian c.
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. The field work is now over, and we have completed working up the prey. When tested for its safety and effectiveness in controlling opisina arenosella walker, it is found that they are safe to use in thailand. Athrotaxis is a genus of two to three species depending on taxonomic opinion of conifers in the cypress family, cupressaceae. 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. We hold host and parasitoid numbers constant and vary the degree of femalefemale contact that can occur.
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. Quantitative pcr was conducted using the primers shown in table s3 see fig. 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. A recent study found that larger females tend to win but owner status. Hymenopterans are well suited owing to the diverse sex determination mechanisms. Proceedings of the symposium on pest management for stored food and feed, held at bogor, indonesia, 57 september 1995. Among four housekeeping genes gapdh, rpla, rps18, and ef1beta, ef1beta was selected as a reference gene for. It is a sturdy gregarious larval or prepupal ectoparasitoid. Regional training workshop on mass production of beneficial.
Status and management of three major insect pests of. Treatment of breeding sites with insecticides and release of predators and pathogens such as the reduviid platymeris laevicollis and the fungus. 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 1. Aspergillus flavus, fusarium semitectum, colletotrichum gloeosporioides, and c. Larvae of 20 lepidopteran species found on intercrops were screened for use by goniozus nephantidis hymenoptera. The female practices maternal care of eggs and larvae. The worlds most trusted source of information about the fascinating world of fishkeeping. This is your first entry to the taxa hierarchy display. It is considered a pest to these countries, as they infest coconut palm trees, causing considerable damage to the trees, and reducing. 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. Such an urge operates at all levels of social organization.
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. Competitive interactions between goniozus nephantidis and. Chapter 1 introduction to the thesis the desire to arrange, organize, describe, name and classify is fundamental in human activity. Biology of goniozus nephantidis egg female goniozus nephantidis lay eggs on the body of blackheaded caterpillar. Bethylidae was studied in relation to its hosts, opisina arenosella, the coconut. Pdf competitive interactions between goniozus nephantidis. We use laboratory microcosms to assess the prevalence and consequences of mutual interference behaviour in a bethylid wasp, goniozus nephantidis muesebeck hymenoptera. This page was last edited on 10 december 2019, at 00. Pdf goniozus nephantidis muesebeck is an important parasitoid of opisina arenosella walker in coconut ecosystem. Regional training workshop on mass production of beneficial insects and nematodes 15 19 may 2017. Although an insect may be very minute, its body organization and its ability to perform. Denmark, laurence mound, tom skarlinskky, and catharine mannion2 1.
Examples of chromosomal sex determination systems are male or female heterogamety, haplodiploidy and multifactorial sex determination. Two larval parasitoid wasps goniozus nephantidis muesebeck bethylidae. Interestingly, the major parasitoids have adult periods at least as long as their life cycle table 1. Production of goniozus severely hampered at 350c 46. 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. The host larvae are parasitized and the parasitoid even feeds on host body fluid.
Consult a local pathologist for the latest in control measures. Pdf blackheaded caterpillar, opisina arenosella walker, is a serious pest of coconut palms, causing severe defoliation and yield loss. 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. The pcr was conducted with faststart sybr green master using a lightcycler 480 system roche life science, mannheim, germany. The remaining parasitoids did not contribute to parasitization of more than 5% of the host population at any time during any generation16. Nov 19, 2019 the effects of plant materials on certain aspect of the development of the rice moth corcyra cephalonica st. Sexually reproducing organisms have evolved a wide diversity of mechanisms to establish the two sexes. All structured data from the file and property namespaces is available under the creative commons cc0 license. Eight different artificial rearing media were evaluated to test suitability for c.
Bess beetles, also known as patent leather beetles odontotaenius disjunctus at the university of nebraskas entomology lab. Blackheaded caterpillar, opisina arenosella walker, is a serious pest of coconut palms, causing severe defoliation and yield loss. 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. Project i nottingham eprints university of nottingham. Pdf a novel method of field release of goniozus nephantidis. Cyrtorhynus feltiae neoaplectana carpocapsea is reared on the larvae of c. Leafgall thrips of ficus gynaikothrips ficorum gynaikothrips. The doublesex gene integrates multilocus complementary.
Rainey published 5 july 2002 by the american society of mammalogists. Despite a degree of internal inconsistency, results from g. 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. Bethylidae, and 24 for its new world congener, goniozus legneri gordh, parasitoids of the larvae of the lepidopteran coconut. 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. Females of the bethylid wasp goniozus nephantidis fight for possession of paralysed hosts. Competitive interactions between goniozus nephantidis and bracon brevicornis, parasitoids of the coconut pest opisina arenosella thiruvengadam venkatesan, sushil kumar jalali and kotilingam. Biological control of the coconut caterpillar opisina. 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. I am a beginner using goseq for gene enrichment analysis. Current theories may be inadequate to elucidate discrete. 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. Toxicity of synthetic pyrethroids to larval parasites of.
Pdf direct and indirect influences of intercrops on the. Insect sex determination systems have been relatively well studied, with a main focus on the orders of. Nov 08, 2015 this page was last edited on 8 november 2015, at 20. The pest in its larval stage causes serious damage to the plant, while the adult. Pdf blackheaded caterpillar, opisina arenosella walker lepidoptera. Egfp notes addgene diagnostic digest this image depicts the neb 1kb ladder and a digestion of plasmid 32684 with the following enzymes. Identification of common natural enemy of crop pests and weeds.
Jun 02, 2016 identification of common natural enemy of crop pests and weeds 1. Besides, some entomopathogenic nematodes such as steinernema feltiae is also reared on the larvae of corcyra. Status and management of three major insect pests of coconut. Bracon brevecornis on european corn borer larva ex. Field evaluation of goniozus nephantidis muesebeck against coconut blackheaded caterpillar in kerala using different release techniques. This page was last edited on 8 november 2015, at 20. The effects of plant materials on certain aspect of the development of the rice moth corcyra cephalonica st. Brood guarding in a bethylid wasp, ecological entomology. Many entomophagus insects attack the blackheaded caterpillar of coconut, opisina arenosella walker during its developmental stages. We cloned two fulllength cdna sequences corresponding to a v. Blackheaded caterpillar, opisina arenosella walker lepidoptera.
Pdf field evaluation of goniozus nephantidis muesebeck. Thailand imported goniozus nephantidis from sri lanka. It was found that the optimum temperature for maximum progeny production was 300c 116. Goniozus nephantidis and bracon brevicornis, parasitoids of the coconut pest. Direct and indirect influences of intercrops on the coconut defoliator. Crytophasidae is an endemic, frequently outbreaking pest of coconut in india and sri lanka. Brood guarding in a bethylid wasp, ecological entomology 10. You can modify these specifications at any time by clicking the change items displayed button in the header. Mass production of goniozus nephantidis, the parasitoid of coconut black headed caterpillar opisina arenosella. Pdf economics of production of goniozus nephantidis. Flowering dogwood 4 which allows the leaves to stay as dry as possible. Get pdf mass production of goniozus nephantidis, the parasitoid. 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.
Goniozus nephantidis muesebeck, one of the dominant and effective parasitoids of o. This document is enh344, one of a series of the environmental horticulture department, ufifas extension. Encoding community knowledge to support novel interaction. Absence of complementary sex determination in the parasitoid. Files are available under licenses specified on their description page. Goniozus nephantidis muesebeck, one of the dominant and.
1367 1359 1150 1194 1309 291 1638 50 725 311 893 790 1309 902 795 1175 214 646 1359 1210 1437 1161 140 647 1475 158 167 1373 731 830 1471 60 368 355 942 1456 1446 295 1367 1457 1391 602 638