Short views on insect biochemistry and molecular biology vol. Hemiptera, scutelleridae in middle east countries, with special reference to the. Evaluating some insecticides for controlling the sunn pest. In order to determine the distribution of these species, sunn pest adults were collected from 28 provinces in six regions. Mar 15, 2015 eurygaster integriceps puton taxonomic placing. We also tested different entomopathogenic fungi isaria fumosorosea. In view of the importance of the physiological condition of adults of eurygaster integriceps put.
Biological parameters of the egg parasitoid trissolcus. Researches on the ecology and biology of eurygaster integriceps put. Eurygaster integriceps is one of the most destructive pests of wheat in the middle east crichtley, 1998. Media in category eurygaster integricepsthe following 2 files are in this category, out of 2 total. Life history parameters of the sunn pest, eurygaster. Some species of eurygaster and aelia occurring in middle east countries, are almost or entirely nonmigratory e.
Effect of the protein elicitor amep412 from bacillus. Solation and characterization of entomopathogenic fungi from hibernating sites of sunn pest eurygaster integriceps on ilam mountains, iran. Sunn pest unlocking the mysteries of an ancient problem. However, intensive use of insecticides has caused severe damage to parasitoid populations radjabi 1995. No part of this book may be reproduced in any form, including photocopy. Effect of the entomopathogenic fungus, beauveria bassiana, and its secondary metabolite on detoxifying enzyme activities and acetylcholinesterase ache of the sunn pest, eurygaster integriceps heteroptera. Eurygaster integriceps is a species of shield bug in the family scutelleridae, commonly known as the sunn pest or corn bug. It is a major pest of cereal crops especially wheat, barley and oats. Laboratory studies on the effects of different natural foods. Ozer optimisation and kinetic studies on the production of intracellular canthaxanthin in fedbatch cultures of dietzia natronolimnaea hs1.
In a previous study, we identified a protein elicitor amep412 from bacillus subtilis, which could trigger plant defense response and induce systemic acquired resistance. Disturbance of phosphatase and transaminase activities in. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world. A modified titrimetric method for measuring the activity of. Sunn pest eurygaster integriceps puton is currently widely distributed in west and central asia and eastern europe, but has not been found in australia, western europe or north america. The biology and morphology of different stages of these flies were studied. Characterization of growth and virulence of five nigerian. The scelionid egg parasitoid trissolcus grandis thompson hymenoptera. Insecta, hemimetabola, hemiptera,heteroptera, scutelleridae. The sunn pest eurygaster integriceps is the mostinsecticides with various mode of action were evaluated against sunn pest eurygaster integriceps infested wheat on field at middle of iraq. Similar impact was also reported 8 in elm leaf beetle treated by a.
Climate warming is known to promote the expansion of its range of distribution, and it is expected that the insect could spread into new territories. If you need expert professional advice, contact your local extension office. Researches on the ecology and biology of eurygaster integriceps. The effects of the secondary metabolites of the entomopathogenic fungus beauveria bassiana on cellular immune defenses of. Bug with varying coloration, more often light brown, 12 mm in length. This concise collection and excerpts from the literature are complemented by over color figures of superb quality showing insects and their habitats. In this study, efficacy of benzalkonium chloride bc, peroxyacetic acid paa and chlorine dioxide cd against cronobacter biofilm were evaluated on polystyrene surface. Brown, notes on the migration and direction of flight of eurgaster and aelia spices hemiptera, pentatomidae and their possible bearing on. Beneficial insects in agricultural fields play an important role in natural pest control and pollination.
Scutelleridae, namely prohemocytes, plasmatocytes, granulocytes, adipohemocytes, and oenocytoids. The reproductive biology of the seedfeeding bug lygaeus equestris in the laboratory is described and the suitability of different kinds of seeds for reproductive success are compared. Researches on the ecology and biology of eurygaster. Sustainable methods to control insect pests that affect crop yield have become a great challenge to mainly smallholder farmers.
Pdf a juvenile hormone analog, pyriproxifen, affects some. The sunn pest, eurygaster integriceps puton heteroptera. Cloning, expression, sequence analysis and homology modeling. One such insect, the sunn pest, eurygaster integriceps puton hemiptera. Marzieh alizadeh, javad karimzadeh, gholam reza rassoulian, hossein farazmand, vahid hoseininaveh, hamidreza pourian,sublethal effects of pyriproxyfen a juvenile hormone analogue on plutella xylostella lepidopter plutellidae life table study,archives of phytopathology and plant protection,vol. Effect of juvenile hormone on diapausing adult of sunn bug eurygaster integriceps. The ground colour and intensity of the markings are variable. Hemiptera, scutelleridae in the middle east countries, with special reference to the overwintering period. In some details, it reached eastern saudi arabia in 1985 and then extended to other countries. This insect injects a prolyl endoprotease into the wheat, destroying the gluten. A juvenile hormone analog, pyriproxifen, affects some biochemical components in the hemolymph and fat bodies of eurygaster integriceps puton hemiptera. Structure of the scent gland system of the sunn pest, eurygaster integriceps put. Fairly large shieldbugs, the two eurygaster species are often known as tortoise bugs. Phenotypic variability of body coloration in the populations of.
Scutellum big, wide, chitinous, covering wings and whole abdomen, rounded at apex, rarer straight. Our mission is to offer quality editorial services, significant resources into technology innovation, freely accessible, discoverable scientific information, and highquality publications. Cloning, expression, sequence analysis and homology. They represent within insect orders particularly lepidoptera, hemiptera, orthoptera, coleoptera, thysanura, blateria ect. Field efficacies of ten different kinds of insecticides with various mode of action were evaluated against sunn pest eurygaster integriceps infested wheat on field at middle of iraq. Pdf a juvenile hormone analog, pyriproxifen, affects. Short views on insect biochemistry and molecular biology.
Assessing the impact of sitespecific spraying on control of. Pests eurygaster integriceps puton sunn pest, corn bug. Effect of five different type pesticides on the sunn pest, eurygaster integriceps. Hemionitis arifolia brun tmore reduced the amylase activity more than a. The sunn pest eurygaster integriceps is the most insect of cereals in iraq and other countries. Such color polymorphism may be due to genetic variability. Experiments were conducted in eleventh wheat fields each measuring 12 ha located in the middle of iraq wasit and salahudain governorates at season 2015, contained common varieties of wheat planting in iraq. Scutelleridae is one of the most serious pest of wheat and other cereal crops throughout the near and middle east including turkey. Population dynamics system of cereal sunn pest eurygaster. Vartapetian, in experiments with animals silkworm bombyx mori and eurygaster integriceps put. Hemiptera, scutelleridae in middle east countries, with special reference to the overwintering period hemiptera, scutelleridae in middle east countries, with special reference to the overwintering period. A modified titrimetric method for measuring the activity. Insect lives in any agroecosystem both as beneficial and harmful organisms to crops. Volume 1 faunal studies concentrates on the systematic taxonomy of iranian insects.
Agroatlas pests eurygaster integriceps puton sunn pest. Populations of shield bugs of the genus eurygaster, which are pests of cereal. Assessing the impact of sitespecific spraying on control. A modified titrimetric method for measuring the activity of wheat germ lipase.
Scelionidae had a very important role in reducing eurygaster integriceps puton population radjabi 1995. John gatehouse of the school of biological and biomedical. In this study, the impact of sitespecific spraying on control of sunn pest damage and densities of the natural enemies was compared with the wholefield spraying method in 2009 and 2010. Sixdaysold biofilms on containers were treated with two different concentrations 100 and. Pdf short views on insect biochemistry and molecular biology. Eurygaster integriceps damage ratio on physical, chemical, and technological characteristics of wheat. Effects of sunn pest eurygaster integriceps damage ratio on physical, chemical, and technological characteristics of wheat h.
Research on the ecology and biology of eurygaster integriceps put. International journal of current microbiology and applied sciences. The female abdomen is wider than the males in appearance ali and khidhir, 2016. Digestive proteolytic activity in the sunn pest, eurygaster integriceps. Investigation of the internal bacterial flora of eurygaster integriceps. Biological control of sunn pest, eurygaster integriceps, with beauveria bassiana. The enzyme responsible for this transformation carotene 1515 dioxygenase was isolated soon afterwards. Scutelleridae due to artemisia annua extract treatment 67. Life tables were constructed at four constant temperatures. Media in category eurygaster integriceps the following 2 files are in this category, out of 2 total. Purification and characterization of phenoloxidase from. The adult, which is 11 mm long, is grayishyellow to black. Biological parameters of the egg parasitoid trissolcus grandis hym scelionidae on eurygaster integriceps hem scutelleridae m. To contribute biological control of this pest, we investigated the culturable bacterial flora of e.
A demographic study was carried out in order to determine the effect of temperature on life history parameters of the pest. This species is distinguished from the slightly smaller and rarer e. Purification and characterization of phenoloxidase from the. The sunnpest, eurygaster integriceps puton heteroptera. Eurygaster maura, also known as tortoise bug, is a species of true bugs or shieldbacked bugs belonging to the family scutelleridae. General information about eurygaster integriceps euryin eppo global database. Cellular immune reactions of the sunn pest, eurygaster.
Purified po is active in the ph range of 48, with a maximum specific activity of 4. Crimson is an openaccess academic publisher has a vision to establish open science platform that seeks to provide equal opportunity. Biological characterization of beauveria bassiana clavicipitaceae. Hemiptera, scutelleridae in the middle east countries, with special reference to over wintering period, bull. Spermiogenesis and the ultrastructure of mature sperm in. A new species of eurygaster and notes on some little known species of turkish pentatomidae hemiptera. The latter looks like two half cylinders located almost at right angles to one another. In this study, five morphological types of circulating hemocytes were recognized in the hemolymph of the adult sunn pest, eurygaster integriceps puton hemiptera. Side effects of insecticides on natural enemies and. The red palm weevil, rhynchophorus ferrugineus rpw, is a serious pest of date palm phoenix dactylifera. A relationship exists between the duration of reproductive diapause in the field and the subsequent reactivation time in the laboratory. However, intensive use of insecticides has caused severe. Iranian research institute of plant protection, sunn pest research department, p.
Scutelleridae, is the most important insect pest of wheat and barley in iran. Binomial and sequential sampling of adult sunn pest, eurygaster integriceps. The arab society for plant protection aspp is a nonprofit professional and scholarly organization of scientists from both public and private academic institutions, as well as industry representing a great variety of scientists who are involved in the field of plant protection in the arab world and abroad. Although the losses vary considerably, they are seldom less than 25 percent of the crop. The morphophysiological condition of eurygaster integriceps. Sunn pest, eurygaster integriceps puton is a key pest of wheat and barley in iran. Class insecta, order hemiptera, family pentatomidae scutelleridae, genus eurygaster.
Large outbreaks, which generally occur every 58 years, can cause yield losses of the order of tens of millions of dollars e. Insecta, hemimetabola, hemiptera,heteroptera, scutelleridae common name. Eurygaster is a genus of shield bugs widespread in eurasia. The use of synthetic and botanical pesticides has detrimental effects to both natural enemies and pollinators in agricultural fields. Pp3 environmental risk assessment of plant protection products. Our mission is to offer quality editorial services, significant resources into technology innovation, freely accessible, discoverable scientific information, and. Stability of the enzyme was investigated at ph range 68 for 72 h showing that. Illustration of the morphologic characters of the sunn pest. Sunn pest, a name that refers to a complex of hemipteran bugs, of which the dominant species is eurygaster integriceps. In the first step, samples were precipitated with ammonium sulfate in concentrations 40% and 80%. Impacts of synthetic and botanical pesticides on beneficial. Progress and experiments in the biology of the soun pest eurygaster integriceps put. The purpose of this study was to clone the full length cdna of the sunn pest prolyl endoprotease sppep for expression in e.
In severe outbreaks this pest can cause complete losses of the crops over large areas logothetis, 1956. Eurygaster integriceps, biological control, trissolcus grandis, mass release, wheat. In the present study, the toxicity of amep412 against the whitefly bemisia tabaci genn. Biological control of sunn pest, eurygaster integriceps. Hypocreales from overwintering sites of sunn 9 isolation and identification of insectpathogenic fungi natural habitats of sunn pest such as leaf litter under bushes and trees were searched for signs of fungal infection a white mass covering the insect cuticle. It is native to much of northern africa, the balkans and western and central asia. Pest biology in overwintering sites can provide several opportunities. Pp1 efficacy evaluation of plant protection products. Activity and feeding behaviour of sunn pest, eurygaster integriceps put.
The purified protein samples at different concentrations 1, 5, 10, 20, 40, and 80. Pdf distribution of sunn pest, eurygaster integriceps puton. Sunn pest, a name that refers to a complex of hemipteran bugs, of which the dominant species is eurygaster integriceps morphology. The main consequence of insect pests includes infestation as well as acts as vectors. The ph activity profile of the purified po is shown in fig. Phospholipid and triacylglycerol fatty acid composition of major life stages of sunn pest, eurygaster integriceps heteroptera. Scutelleridae, is a key constraint on wheat production in the wide area of the near and middle east, eastern and southern europe and north africa. Abstract the reproductive biology of the seedfeeding bug lygaeus equestris in the laboratory is described and the suitability of different kinds of seeds for reproductive success are compared. Dedicated naturalists volunteer their time and resources here to provide this service.
Biological control of sunn pest, eurygaster integriceps, with beauveria bassiana dave moore, d. Please note the image in this listing is a stock photo and may not match the covers of the actual item. Varieties of wheat triticum aestivum carrying resistance. May 23, 20 gregarines are apicomplexans and exclusively parasites of invertebrates. Investigation of the internal bacterial flora of eurygaster. Laboratory studies on the effects of different natural. Eurygaster integriceps euryinoverview eppo global database. The insect is native to southern asia and melanesia. Biological parameters of sunn pest in wheat and barley fields in northern iraq. Biological control of sunn pest, eurygaster integriceps, with. This major work presents the first comprehensive survey on entomological studies in iran from prehistoric periods up to modern times. During spermiogenesis, a manchette consisting of two large groups of microtubules and an unusual centriolar adjunct are formed.
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