Gregarines are apicomplexans and exclusively parasites of invertebrates. In europe, eurygaster integriceps is the most propagated one. A relationship exists between the duration of reproductive diapause in the field and the subsequent reactivation time in the laboratory. To contribute biological control of this pest, we investigated the culturable bacterial flora of e.
Characteristics of the biology of the sunn pest eurygaster. During spring and early summer, this pest spends annually approximately two and half to three months feeding on wheat. Keeping mould away from food and agricultural products is one of the major difficulties encountered in cultivation areas. Insecta, hemimetabola, hemiptera,heteroptera, scutelleridae. Gall formation in the wheat pest mayetiola destructor. Purification and characterization of phenoloxidase from. Eurygaster integriceps mortality in response to fungal treatment, corrected for mortality in the tween control, was relatively low at 5 days postapplication figs.
Phospholipid and triacylglycerol fatty acid compositions of whole animals from all life stages of eurygaster integriceps, including eggs, nymphs, prediapausing adults and diapausing adults, were. Several rapid methods have been developed for the enumeration of yeast and mould in foods. Investigation of aflatoxin contamination in maize flour. Life history parameters of the sunn pest, eurygaster integriceps. Scutellaridae in iraq hadeel talib albarak department of clinical pharmacycollege of pharmacyuniversity of karbalairaq abstract eurygaster integriceps hemiptera. Analysis of esterase enzyme activity in adults of the. Media in category eurygaster integricepsthe following 2 files are in this category, out of 2 total. Fao, regional office for the near east, cairo, egypt. Research on the ecology and biology of eurygaster integriceps put. Insecta, hemimetabola, hemiptera,heteroptera, scutelleridae common name. Mortality of inoculated and noninoculated adults was counted.
Laboratory studies on the effects of different natural foods. Stability of the enzyme was investigated at ph range 68 for 72 h showing. Biological parameters of the egg parasitoid trissolcus. Hemiptera, scutelleridae in middle east countries, with special reference to the. Scutelleridae eurygaster testudinaria british bugs. Dna barcoding and morphological analysis for rapid identification of most economically important cropinfesting sunn pests belonging to eurygaster laporte, 1833 hemiptera, scutelleridae. Eurygaster integriceps euryinoverview eppo global database. Researches on the ecology and biology of eurygaster.
This species is rather similar to eurygaster testudinaria, but it is slightly smaller and smoothly rounded, with less protruding hind corner. The purpose of this study was to clone the full length cdna of the sunn pest prolyl endoprotease sppep for expression in e. It is native to much of northern africa, the balkans and western and central asia. Pentatomoidea with special reference to eurygaster integriceps puton. Pests eurygaster integriceps puton sunn pest, corn bug. Characterisation of proteolytic enzymes of eurygaster. Eurygaster genre sunn pests are spread across europe, asia and north africa.
Oct 14, 2015 this page was last edited on 14 september 2017, at 19. Researches on the ecology and biology of eurygaster integriceps put. Researches on the ecology and biology of eurygaster integriceps. Prospective students may schedule a visit by calling 1800488ndsu. Eurygaster integriceps is one of the most destructive pests of wheat in the middle east crichtley, 1998.
Among these rapid methods, the neogrid hydrophobic grid membrane filter hgmf requires a considerably sh. Population dynamics system of cereal sunn pest eurygaster. However, an interaction between the treatment environment and the linear component of concentration was becoming evident p eurygaster integriceps the following 2 files are in this category, out of 2 total. This report is concerned especially with the overwintering or resting period and certain aspects of the annual lifecycle and physiology of e. In the first step, samples were precipitated with ammonium sulfate in concentrations 40% and 80%. Investigation of the internal bacterial flora of eurygaster integriceps. The sunn pest, eurygaster integriceps puton heteroptera. Three years of research on eurygaster integriceps put. Sunn pest, a name that refers to a complex of hemipteran bugs, of which the dominant species is eurygaster integriceps morphology. Side effects of insecticides on natural enemies and. The adult, which is 11 mm long, is grayishyellow to black. Lineweaverburk plot of the amylase hydrolysis reaction with variable starch concentrations 0. Fairly large shieldbugs, the two eurygaster species are often known as tortoise bugs. Sunn pest salivary glandderived proteases and other hydrolases damage grain proteins and starch.
The proposed plan encompasses seven separate projects. Although the losses vary considerably, they are seldom less than 25 percent of the crop. The ph activity profile of the purified po is shown in fig. Cloning, expression, sequence analysis and homology modeling of the prolyl endoprotease from eurygaster integriceps puton. Pdf distribution of sunn pest, eurygaster integriceps puton. The main objective of this book chapter studying the insecticide side effects on development, parasitism or predation efficacy and emergence capacity as well as to preserve effective biological control agents is a combination of tactics including an understanding of the biology. Entomopathogenic fungi of eurygaster integriceps puton. Some peculiarities of the biology of eurygaster integriceps put. The third most abundant metal in the earth crust is aluminium al.
Scutelleridae after topical application of two medicinal plants extracts zibaee and bandani 2010. Irrigated winter wheat fields were readily colonised by overwintered bugs in warm dry spring conditions and. In severe outbreaks this pest can cause complete losses of the crops over large areas logothetis, 1956. The famous, devastating species is eurygaster integriceps put. Irrigated winter wheat fields were readily colonised by overwintered bugs in warm dry. Scutelleridae, is the most important insect pest of wheat and barley in iran. Pdf phospholipid and triacylglycerol fatty acid composition. The extent of the influence of irrigation on the development and reproduction of the pest depended on weather conditions in spring and summer. Evaluation of two rapid methods for enumeration of yeast and. Department of epidemiology, human genetics, and environmental sciences. Population dynamics system of cereal sunn pest eurygaster integriceps put. C u r r i c u l u m v i t a e kstate department of.
Eurygaster integriceps are migratory, implying that they can even survive or hibernate in high altitudes and harsh wintering regions zwolfer, 1930. Human health risk assessment of aluminium via consumption. The most important member of this suborder, which frequently threatens wheat plantations in persia is, without doubt, the senn pest wrongly spelled sunn pest. In this study, efficacy of benzalkonium chloride bc, peroxyacetic acid paa and chlorine dioxide cd against cronobacter biofilm were evaluated on polystyrene surface. Sunn pest, eurygaster integriceps puton is a key pest of wheat and barley in iran.
Agriculture and biology journal of north america jul. Identification and characterization of hydrolytic enzymes of sunn pest eurygaster integriceps and cotton bollworm helicoverpa armigera 2006. Scutelleridae is one of the most serious pest of wheat and other cereal crops throughout the near and middle east including turkey. It is a major pest of cereal crops especially wheat, barley and oats. The ground colour and intensity of the markings are variable. They can survive or hibernate in high altitudes and harsh wintering regions zwolfer, 1930. Biology of aelia germari kuster in the setif area in algeria. Biological control of sunn pest, eurygaster integriceps, with beauveria bassiana dave moore, d. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Department of biology and biotechnology, stephen f. Lineweaverburk and dixon plots of eurygaster integriceps. Effectiveness of field populations of natural enemies of the sunn pest eurygaster integriceps put. The female abdomen is wider than the males in appearance ali and khidhir, 2016. One enzyme family involved in the above mentioned biological.
Antibodies raised against a sunn bug eurygaster integriceps put. Biological parameters of the egg parasitoid trissolcus grandis hym scelionidae on eurygaster integriceps hem scutelleridae m. Contamination of vegetables with al poses a threat to human health, therefore it is essential to measure the amount of this metal in edible parts of vegetables and evaluate the possible health risks to. Botanical insecticides and their effects on insect biochemistry and immunity. Bug with varying coloration, more often light brown, 12 mm in length. Eurygaster integriceps sunn pest or sunn bug is one of the most significant pests of wheat and is responsible for substantial losses in yield and quality of wheat grain in europe and asia. Biological control of sunn pest, eurygaster integriceps. Similarly, esterase reduction was observed in eurygaster integriceps puton hemiptera. All structured data from the file and property namespaces is available under the creative commons cc0 license.
Illustration of the morphologic characters of the sunn pest. Spreading of insects by order and year in forage peas order number 2011 2012 20 coleoptera 30 20 1 diptera 22 hymenoptera 12 10 homoptera 72 52 40 lepidoptera 2. Agroatlas pests eurygaster integriceps puton sunn pest. Purified po is active in the ph range of 48, with a maximum specific activity of 4. The sunnpest, eurygaster integriceps puton heteroptera. Feeding by this pest significantly reduced crop yield and quality. Sunn pest, a name that refers to a complex of hemipteran bugs, of which the dominant species is eurygaster integriceps. In this booklet, the author describes the various stages of eurygastcr integriceps put.
This species is distinguished from the slightly smaller and rarer e. University of vermont entomology research laboratory 661 spear street, burlington, vermont 054010105. Scutellum big, wide, chitinous, covering wings and whole abdomen, rounded at apex, rarer straight. The other species do not form numerous populations. Life history parameters of the sunn pest, eurygaster. Hemiptera, scutelleridae in the middle east countries, with special reference to the overwintering period. 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. Class insecta, order hemiptera, family pentatomidae scutelleridae, genus eurygaster. Mar 15, 2015 eurygaster integriceps puton taxonomic placing. The sunn pest eurygaster integriceps puton is a major insect pest of wheat and barley in west and central asia. The book is divided into three sections the first covers taxonomy, morphology and biogeography note the only keys in this book deal only with subfamilies. Inhibitory effect of proteinaceous seed extract of three iranian wheat cultivars on eurygaster integriceps sunn pest digestive enzymes farhoodi et al. This major work presents the first comprehensive survey on entomological studies in iran from prehistoric periods up to modern times. Assessing the impact of sitespecific spraying on control of.
View elham ghasemis profile on linkedin, the worlds largest professional community. Digestive proteolytic activity in the sunn pest, eurygaster integriceps. Antioxidant effects of four heartwood extractives on. A demographic study was carried out in order to determine the effect of temperature on life history parameters of the pest. Anopheles funestus is a major vector of malaria in subsaharan africa. 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. Lineweaverburk and dixon plots of eurygaster integrice. Insects free fulltext cloning, expression, sequence analysis.
Lineweaverburk and dixon plots of eurygaster integrice openi. Sunn pest, eurygaster integriceps puton, is one of the dominant wheat and barley bugs in europe, north africa, the middle east and iraq brown, 1962 and rassipour et al. Mustafa parlar education and research foundation, metu 20052006 thesis of the year award for phd thesis. Cloning, expression, sequence analysis and homology. Pdf short views on insect biochemistry and molecular biology. Integrated pest management and biology of arthropod pests. Their integration in plant protection strategies nabil elwakeil, nawal gaafar, ahmed sallam and. Biological control of sunn pest, eurygaster integriceps, with. This page was last edited on 14 september 2017, at 19. Associate professor tenured center for infectious diseases. This concise collection and excerpts from the literature are complemented by over color figures of superb quality showing insects and their habitats.
In our study, cat activity was not significantly reduced by the control antioxidant compounds or tested heartwood extractives. Side effects of insecticides on natural enemies and possibility of their integration in plant protection strategies. This insect injects a prolyl endoprotease into the wheat, destroying the gluten. General information about eurygaster integriceps euryin eppo global database. Investigation of the internal bacterial flora of eurygaster. Efficacy of disinfectants against cronobacter biofilm on. Volume 1 faunal studies concentrates on the systematic taxonomy of iranian insects.
Files are available under licenses specified on their description page. Iranian research institute of plant protection, sunn pest research department, p. These shieldbacked bugs can be found from may to august, becoming adult from july. Binomial and sequential sampling of adult sunn pest, eurygaster integriceps puton. Article first study of the biology of cryptolaemus montrouzieri and its potential to feed on the mealybug dactylopius opuntiae hemiptera. No part of this book may be reproduced in any form, including photocopy, microfilm.
Eurygaster integriceps is a species of shield bug in the family scutelleridae, commonly known. Purification and characterization of phenoloxidase from the. Ravi yandamuri, ranjeeta gautam, charles darkoh, vanitha dareddy, mustapha. May 23, 20 gregarines are apicomplexans and exclusively parasites of invertebrates. Studies on mycotoxin contamination in agricultural products consumed as food in turkey have been accelerated by the detection of aflatoxin and aflatoxigenic mould in nuts, pistachios, red pepper and dried figs. Eurygaster integriceps is a species of shield bug in the family scutelleridae, commonly known as the sunn pest or corn bug. Eurygaster integriceps puton, commonly known as sunn pest, is a major pest of wheat in northern africa, the middle east and eastern europe. Laboratory studies on the effects of different natural. The references section is almost 100 pages long one of the nice things about this section.
Biological control of sunn pest, eurygaster integriceps, with beauveria bassiana. We hope the conference will be a great forum for a dynamic e xchange of information, ideas and recent scientific discoveries in light of recent climate changes and the associated epidemiological risk for public health, and yield positive contacts and future collaboration for. Elham ghasemi technical expert in plant pathology hbz. Rider professor of entomology north dakota state university 202 hultz hall fargo, nd 58105 email. Insects free fulltext cloning, expression, sequence. Life tables were constructed at four constant temperatures. Pest biology in overwintering sites can provide several opportunities. This project will use comparative and experimental studies, in both field and laboratory, to build on our existing base of coccinellid research and explore various aspects of the life history and ecology of these species that. Middle east technical universitydepartment of biology education honors.
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