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Chemical Analysis of the Metathoracic Scent Gland of Eurygaster Maura (L.) (Heteroptera: Scutelleridae)
J. Agr. Sci. Tech. (2019) Vol. 21(6): 1473-1484 Chemical Analysis of the Metathoracic Scent Gland of Eurygaster maura (L.) (Heteroptera: Scutelleridae) E. Ogur1, and C. Tuncer2 ABSTRACT Eurygaster maura (L.) (Heteroptera: Scutelleridae) is one of the most devastating pests of wheat in Turkey. The metathoracic scent gland secretions of male and female E. maura were analyzed separately by gas chromatography-mass spectrometry. Twelve chemical compounds, namely, Octane, n-Undecane, n-Dodecane, n-Tridecane, (E)-2-Hexenal , (E)- 2-Hexen-1-ol, acetate, Cyclopropane, 1-ethyl-2-heptyl, Hexadecane, (E)-3-Octen-1-ol, acetate, (E)-5-Decen-1-ol, acetate, 2-Hexenoic acid, Butyric acid, and Tridecyl ester were detected in both males and females. These compounds, however, differed quantitatively between the sexes. In both females and males, n-Tridecane and (E)-2-Hexanal were the most abundant compounds and constituted approximately 90% of the total content. Minimal amounts of Octane were detected in males and Hexadecane in females. Keywords: (E)-2-Hexenal, GC-MS, Metathoracic scent gland, n-Tridecane, Wheat. INTRODUCTION 100% in the absence of control measures (Lodos, 1986; Özbek and Hayat, 2003). Eurygaster species (Heteroptera: In the order Heteroptera, nearly all species Scutelleridae) are the most devastating pests have scent glands and many of these are of wheat in an extensive area of the Near colloquially referred to as “stink bugs” and Middle East, Western and Central Asia, (Aldrich, 1988). Both nymphs and adults Eastern and South Central Europe, and have scent glands in Heteroptera species Northern Africa (Critchley, 1998; Vaccino (Abad and Atalay, 1994; Abad, 2000). -
Comparative Water Relations of Adult and Juvenile Tortoise Beetles: Differences Among Sympatric Species
Comparative Biochemistry and Physiology Part A 135 (2003) 625–634 Comparative water relations of adult and juvenile tortoise beetles: differences among sympatric species Helen M. Hull-Sanders*, Arthur G. Appel, Micky D. Eubanks Department of Entomology and Plant Pathology, Auburn University, 301 Funchess Hall, Auburn, AL 36849-5413, USA Received 5 February 2003; received in revised form 20 May 2003; accepted 20 May 2003 Abstract Relative abundance of two sympatric tortoise beetles varies between drought and ‘wet’ years. Differing abilities to conserve water may influence beetle survival in changing environments. Cuticular permeability (CP), percentage of total body water (%TBW), rate of water loss and percentage of body lipid content were determined for five juvenile stages and female and male adults of two sympatric species of chrysomelid beetles, the golden tortoise beetle, Charidotella bicolor (F. ) and the mottled tortoise beetle, Deloyala guttata (Olivier). There were significant differences in %TBW and lipid content among juvenile stages. Second instars had the greatest difference in CP (37.98 and 11.13 mg cmy2 hy1 mmHgy1 for golden and mottled tortoise beetles, respectively). Mottled tortoise beetles had lower CP and greater %TBW compared with golden tortoise beetles, suggesting that they can conserve a greater amount of water and may tolerate drier environmental conditions. This study suggests that juvenile response to environmental water stress may differentially affect the survival of early instars and thus affect the relative abundance of adult beetles in the field. This is supported by the low relative abundance of golden tortoise beetle larvae in a drought year and the higher abundance in two ‘wet’ years. -
Foliage Insect Diversity in Dry Eucalypt Forests in Eastern Tasmania
Papers and Proceedings of the Royal Society of Tasmania, Volume 136, 2002 17 FOLIAGE INSECT DIVERSITY IN DRY EUCALYPT FORESTS IN EASTERN TASMANIA by H.J. Elliott, R. Bashford, S.J. Jarman and M.G. Neyland (with four tables, one text-figure and two appendices) ELLIOTT, H.]., BASHFORD, R., JARMAN,S.]' & NEYLAND, M.G., 2002 (3l:xii): Foliage insect diversity in dry eucalypt forests in eastern Tasmania. Papers and Proceedings ofthe Royal Society afTasmania 136: 17-34. ISSN 0080-4703. Forestry Tasmania, 79 Melville St., Hobart, Tasmania 7000, Australia. Species numbers and composition of the insect fauna occurring on trees and shrubs were studied in dry eucalypt forests in eastern Tasmania over nine years. In all, 1164 named and putative species representing 17 orders and 157 families were collected. The bulk of the species belonged to the orders Coleoptera (28%), Hymenoptera (25%), Hemiptera (18%), Lepidoptera (14%) and Diptera (10%). Of the species collected, 388 -- about one-third -- were identified at least to genus or species level. These included 21 named species not previously listed in the Tasmanian insect fauna and 90 undescribed species. A list of 22 host plants for 171 insect species was compiled from records of 132 insect species observed feeding during the study and from previous records ofinsect/host plant associations for 39 insect species found on the study plots. Most insects were feeding on eucalypts (127 insect species) and acacias (38 species). The most widely distributed and commonly collected species were several well-known pests ofeucalypts: Gonipterus scutellatus (Coleoptera: Curculionidae), Uraba lugens (Lepidoptera: N octuidae), Amorbus obscuricornis (Hemiptera: Coreidae), Chaetophyes compacta (Hemiptera: Machaerotidae) and Eriococcus coriaceous(Hemiptera: Eriococcidae). -
A Note on Manna Feeding by Ants (Hymenoptera: Formicidae) Co-Operative Research Centre for Temperate Hardwood Forestry, Locked B
JOURNAL OF NATURAL HISTORY, 1996, 30, 1185-1192 A note on manna feeding by ants (Hymenoptera: Formicidae) M. J. STEINBAUER Co-operative Research Centre for Temperate Hardwood Forestry, Locked Bag No. 2 Post Office, Sandy Bay, Tasmania 7005, Australia (Accepted 27 June 1995) The production of manna is often associated with the feeding injuries of the coreid, Amorbus obseuricornis (Westwood) (Hemiptera: Coreidae). The manna produced as a result of the injuries caused by A. obscuricornis is extremely attractive to ants and it is often taken right from underneath feeding bugs. Observations of a number of Tasmanian ant species feeding upon eucalpyt manna, suggest that this substance is an important source of carbohydrate for the ants. The possible significance of manna secretion is considered. KEYWORDS:Ants, Formicidae, Coreidae, Heteroptera, eucalypt manna, rapidly induced response, Tasmania. Introduction Manna is a saccharine secretion exuded from stems and leaves of certain trees that is produced following injury caused by insects. The exudate, which forms white nodules upon crystallizing, generally consists of 60% sugars (namely raffinose, melibiose, stachyose, sucrose, glucose and fructose), 16% water, 20% pectin and uronic acids (Basden, 1965). Manna has been recorded from a range of eucalypt and Angophora species, including Eucalyptus punctata, E. viminalis, E. mannifera, E. maculata, E. citriodora, E. tereticornis, Angophora floribunda, A. costata (Basden, 1965), Eucalyptus obliqua (Green, 1972), E. nitens (S. Candy, pers. comm.), E. regnans, E. tenuiramis, E. amygdalina x E. risdonii hybrids and E. delegatensis (pers. obs.). Manna has been shown to be produced as a result of injuries inflicted by a number of insect species (Table 1), and according to Basden (1965) could not be artificially induced. -
Conserving Herbivorous and Predatory Insects in Urban Green Spaces Received: 09 September 2016 Luis Mata1, Caragh G
www.nature.com/scientificreports OPEN Conserving herbivorous and predatory insects in urban green spaces Received: 09 September 2016 Luis Mata1, Caragh G. Threlfall2, Nicholas S. G. Williams2,3, Amy K. Hahs3, Mallik Malipatil4, Accepted: 13 December 2016 Nigel E. Stork5 & Stephen J. Livesley2 Published: 19 January 2017 Insects are key components of urban ecological networks and are greatly impacted by anthropogenic activities. Yet, few studies have examined how insect functional groups respond to changes to urban vegetation associated with different management actions. We investigated the response of herbivorous and predatory heteropteran bugs to differences in vegetation structure and diversity in golf courses, gardens and parks. We assessed how the species richness of these groups varied amongst green space types, and the effect of vegetation volume and plant diversity on trophic- and species-specific occupancy. We found that golf courses sustain higher species richness of herbivores and predators than parks and gardens. At the trophic- and species-specific levels, herbivores and predators show strong positive responses to vegetation volume. The effect of plant diversity, however, is distinctly species- specific, with species showing both positive and negative responses. Our findings further suggest that high occupancy of bugs is obtained in green spaces with specific combinations of vegetation structure and diversity. The challenge for managers is to boost green space conservation value through actions promoting synergistic combinations of vegetation structure and diversity. Tackling this conservation challenge could provide enormous benefits for other elements of urban ecological networks and people that live in cities. Urbanisation has caused, and is forecasted to increasingly cause, global detrimental impacts on biodiversity1,2. -
Phasmid Studies Volume 15 Issues 1&2
Printed ISSN 0966-0011 Online ISSN 1750-3329 PHASMID STUDIES Volume 15, numbers 1 & 2. March 2007. Editor: Dr. P.E. Bragg. Produced by the Phasmid Study Group The Phasmid Study Group. The Phasmid Study Group (PSG) was formed in 1980 to foster the study of phasmids. The group currently has several hundred members worldwide. The membership ranges from young children to professional entomologists. The PSG holds regular meetings and presents displays at all the major entomological exhibitions in the U.K. The PSG places emphasis on study by rearing and captive breeding and has a panel of breeders who distribute livestock to other members. The PSG produces two publications which are issued free to members. The Phasmid Study Group Newsletter is issued quarterly and contains news items, livestock information, details of exhibitions and meetings, and a variety of short articles on all aspects of phasmids. Phasmid Studies is issued on-line and in print. Typically it is produced biannually, in March and September, but this is currently under review. It contains longer articles on all aspects of phasmids, with an emphasis on natural history, captive breeding, taxonomy, and behavioural studies. Each issue contains abstracts of papers from other recent publications. Details of membership may be obtained from the Treasurer and Membership Secretary, Paul Brock, "Papillon", 40 Thorndike Road, Slough, Berks, SL2 1SR, U.K. Annual subscription rates are currently: U.K. £12.00; Europe £14.00; Worldwide £15.00. Phasma. This is a Dutch-Belgian group with similar aims to the Phasmid Study Group. It produces a quarterly newsletter, Phasma, which is published in Dutch. -
Morphology, Biology and Semiochemical Mediated Behaviour of the Coreid Bug Pseudotheraptus Wayi Brown 1955, a Major Pest of Cashew in East Africa
MORPHOLOGY, BIOLOGY AND SEMIOCHEMICAL MEDIATED BEHAVIOUR OF THE COREID BUG PSEUDOTHERAPTUS WAYI BROWN 1955, A MAJOR PEST OF CASHEW IN EAST AFRICA BY EGONYU JAMES PETER BSc. AGRICULTURE AND MSc. CROP SCIENCE-MAKERERE UNIVERSITY A THESIS SUBMITTED TO THE SCHOOL OF BIOLOGICAL SCIENCES, UNIVERSITY OF NAIROBI IN FULFILLMENT OF REQUIREMENTS FOR THE AWARD OF THE DEGREE OF DOCTOR OF PHILOSOPHY IN ENTOMOLOGY APRIL 2013 DECLARATION AND APPROVAL Declaration by the candidate I, Egonyu James Peter (Registration Number: I80/80504/2010), hereby declare that this Thesis is entirely mine, and to the best of my knowledge and belief, it has not been submitted for a degree in any other University. Signature: __________________________________ Date: ______________ Approval by supervisors We, the undersigned, hereby assert that the candidate conducted this study under our supervision. 1. Dr. Jacques Kabaru1 Signature: _______________________________ Date: ______________ 2. Prof. Lucy Irungu1 Signature: _______________________________ Date: ______________ 3. Dr. Sunday Ekesi2 Signature: _______________________________ Date: ______________ 4. Prof. Baldwyn Torto2 Signature: _______________________________ Date: ______________ 1School of Biological Sciences, University of Nairobi, P.O. Box 30197-00100, Nairobi, Kenya. 2International Centre of Insect Physiology and Ecology (icipe), P.O. Box 30772- 00100, Nairobi, Kenya. i DEDICATION To my dear wife Rose and our children. ii ACKNOWLEDGEMENTS I am so grateful to Drs. Jacques Kabaru and Sunday Ekesi, and Profs. Lucy Irungu and Baldwyn Torto for their invaluable guidance. I further thank Dr. Fabian Haas for guidance on morphometric studies and assistance with photography. In addition, I am grateful to colleagues at the Behavioural and Chemical Ecology Department, namely Drs. Fikira Kimbogota, Serge Kuate, Lucy Kananu, Sabina Wachira, Ayuka Fombong and Donald Kachigamba, Messrs. -
Skullbone Plains Tasmania 26 February–2 March 2012 What Is Contents Bush Blitz?
BUSH BLITZ SPECIES DISCOVERY PROGRAM Skullbone Plains Tasmania 26 February–2 March 2012 What is Contents Bush Blitz? What is Bush Blitz? 2 Bush Blitz is a Summary 3 multi-million dollar Abbreviations 3 partnership between the Introduction 4 Australian Government, BHP Billiton and Earthwatch Reserve Overview 5 Australia to document plants Methods 6 and animals in selected Results 10 properties across Australia’s Discussion 13 National Reserve System. Appendix A: Species Lists 21 Fauna 22 Vertebrates 22 This innovative partnership Invertebrates 26 harnesses the expertise of many Flora 30 of Australia’s top scientists from Appendix B: Threatened Species 41 museums, herbaria, universities, Fauna 42 and other institutions and Vertebrates 42 organisations across the country. Flora 43 Appendix C: Exotic and Pest Species 45 Fauna 46 Vertebrates 46 Invertebrates 46 Flora 47 Glossary 49 2 Bush Blitz survey report Summary A six-day Bush Blitz survey was conducted on Skullbone Plains reserve, Tasmania, during Abbreviations February and March of 2012. In total 635 species were identified, of which 520 had not been previously recorded on the reserve. Of the species recorded, 19 are putative species new to science, ANBG comprising one moth, seven spiders, one true bug Australian National Botanic Gardens and 10 lichens. DPIPWE Tasmanian Department of Primary Industries, The Tasmanian Devil (Sarcophilus harrisii) and Parks, Water and Environment Tasmanian Wedge-tailed Eagle (Aquila audax fleayi) EPBC Act were recorded. Both are listed as endangered Environment Protection and Biodiversity under the Commonwealth Environment Protection Conservation Act 1999 (Commonwealth) and Biodiversity Conservation Act 1999 (EPBC Act) NRS and the Tasmanian Threatened Species Protection National Reserve System Act 1995 (TSP Act). -
Logs and Chips of Eighteen Eucalypt Species from Australia
United States Department of Agriculture Pest Risk Assessment Forest Service of the Importation Into Forest Products Laboratory the United States of General Technical Report Unprocessed Logs and FPL−GTR−137 Chips of Eighteen Eucalypt Species From Australia P. (=Tryphocaria) solida, P. tricuspis; Scolecobrotus westwoodi; Abstract Tessaromma undatum; Zygocera canosa], ghost moths and carpen- The unmitigated pest risk potential for the importation of unproc- terworms [Abantiades latipennis; Aenetus eximius, A. ligniveren, essed logs and chips of 18 species of eucalypts (Eucalyptus amyg- A. paradiseus; Zelotypia stacyi; Endoxyla cinereus (=Xyleutes dalina, E. cloeziana, E. delegatensis, E. diversicolor, E. dunnii, boisduvali), Endoxyla spp. (=Xyleutes spp.)], true powderpost E. globulus, E. grandis, E. nitens, E. obliqua, E. ovata, E. pilularis, beetles (Lyctus brunneus, L. costatus, L. discedens, L. parallelocol- E. regnans, E. saligna, E. sieberi, E. viminalis, Corymbia calo- lis; Minthea rugicollis), false powderpost or auger beetles (Bo- phylla, C. citriodora, and C. maculata) from Australia into the strychopsis jesuita; Mesoxylion collaris; Sinoxylon anale; Xylion United States was assessed by estimating the likelihood and conse- cylindricus; Xylobosca bispinosa; Xylodeleis obsipa, Xylopsocus quences of introduction of representative insects and pathogens of gibbicollis; Xylothrips religiosus; Xylotillus lindi), dampwood concern. Twenty-two individual pest risk assessments were pre- termite (Porotermes adamsoni), giant termite (Mastotermes dar- pared, fifteen dealing with insects and seven with pathogens. The winiensis), drywood termites (Neotermes insularis; Kalotermes selected organisms were representative examples of insects and rufinotum, K. banksiae; Ceratokalotermes spoliator; Glyptotermes pathogens found on foliage, on the bark, in the bark, and in the tuberculatus; Bifiditermes condonensis; Cryptotermes primus, wood of eucalypts. C. -
User's Guide to CLIMEX, a Computer Program for Comparing Climates in Ecology
CLIMEX VERSION 3 User’s Guide R.W. Sutherst, G.F. Maywald and D. Kriticos - 1 - Copyright © 2007 Hearne Scientific Software Pty Ltd Hearne Scientific Software End-User Licence Agreement This is a legal agreement between you (either an individual or an entity) and Hearne Scientific Software Pty Ltd. By opening the sealed Hearne Scientific Software package (herein SOFTWARE) and/or by using the SOFTWARE, you agree to be bound by the terms of this agreement. If you do not agree to the terms of this agreement, promptly return the SOFTWARE and accompanying items (including printed materials or other containers) to the place you obtained them for a full refund within thirty (30) days of the purchase date. 1. Grant of Licence: Hearne Scientific Software grants you a non-exclusive licence to use the SOFTWARE in accordance with the following terms. a. Single-User Licence: If you purchased a single-user licence, Hearne Scientific Software allows one (1) designated individual, and only that individual, the right to install the software on one (1) home, one (1) work, and one (1) portable computer. The designated individual agrees that no more than one (1) installation will be in use at any given time. b. Group Licence-Limited Installation: If you purchased a multi-user licence, you may install and use the SOFTWARE on individual computer workstations within your organisation up to the number of users specified in the purchase order. This type of licence is not portable outside your organisation (i.e. The SOFTWARE can not be installed on a computer at home or on a portable computer unless your organisation purchases a maintenance plan at the time of purchasing the group licence). -
Biological and Technological Effects of Some Mulberry Varieties and Some Nutritional Additives on Silkworm Bombyx Mori
Egyptian Journal of Biology, 2010, Vol. 12, pp 108-124 Printed in Egypt. Egyptian British Biological Society (EBB Soc) ________________________________________________________________________________________________________________ Taxonomic review of the subfamily Pseudophloeinae (Hemiptera: Coreidae) from Egypt Hayam El Hamouly, Rabab F. Sawaby* & Hassan H. Fadl Entomology Department, Faculty of Science, Ain Shams University, Abbassia, Cairo, Egypt. Abstract The members of subfamily Pseudophloeinae of Egypt were studied. Keys, descriptions, synonyms, distributions and host plants were given to clarify the status of each species. Eight genera and 14 species are recorded of this subfamily from Egypt. Scanning electron microscopy was used to compare between the subfamilies Pseudophloeinae and Coreinae. Keywords: Coreinae, Bathysolen, Strobilotoma, Arenocoris, Ceraleptus, Microtelcerus, Coriomeris, Loxocnemis, Bothrostethus, electron microscopy, scent glands.. Introduction The Coreidae (the leaf-footed bugs) is a large family in order Hemiptera, represented by 2200 species belonging to 500 genera in the world, and 344 species belonging to 84 genera in the Palaearctic region (Dolling 2006). Most coreids are fairly large (ca. 4 cm), relatively heavy- bodied insects, usually robustly elongate or broadly elliptical, characterized by many parallel veins in the membrane of the forewings, four segments to the antennae and rostrum, two ocelli, three-segmented tarsi, scent glands on the thorax between the mid- and hind-coxae, and a head narrower and often shorter than the pronotum (Schuh & Slater 1995, Dolling 2006). Steinbauer (1996) reported that most species are phytophagous, although occasional coprophagy is known. Globally, coreids cause significant loss of grain legumes, cucurbit crops and soft fruits and nuts. They are known to feed on plant vessels and its reproductive parts (Kumar 1966), but a few are reported to be predaceous. -
Australian Fruitspotting Bugs, Amblypelta Nitida Stål and A
Australian fruitspotting bugs, Amblypelta nitida Stål and A. lutescens lutescens Distant (Hemiptera: Coreidae), and the potential for their biologically based management in macadamia orchards Alana Wallace Govender BSc. Hons A thesis submitted for the degree of Doctor of Philosophy at The University of Queensland in 2015 School of Biological Sciences Abstract Australian fruitspotting bugs, Amblypelta nitida Stål and A. lutescens lutescens Distant (Hemiptera: Coreidae), are major economic pests of macadamia nuts in Australia. They are also pests of approximately a dozen other tropical and subtropical horticultural crops, and minor pests of many more. They are endemic to the east and northern coastal regions of Australia and as such are distributed across the entire growing region of Australia’s macadamia industry. Although the industry is reliant on synthetic pesticides for several major pests and diseases, including fruitspotting bugs, biological control of a major pest, the macadamia nutborer, Cryptophlebia ombrodelta Lower (Lepidoptera: Tortricidae), has been successful and is widely adopted. This success has set a precedent within the macadamia industry and provided incentive for research and development of other biological control agents for other important pests. In the early 1990s, a hymenopteran egg parasitoid, Anastatus sp. (Eupelmidae), was identified as having potential as a biological control agent for fruitspotting bugs in Australia, and in 2010, mass rearing began. No formal studies on Anastatus sp., apart from initial releases conducted after its discovery, had been done prior to this thesis. A study on the potential for conservation biological control of fruitspotting bugs in macadamia orchards using habitat management was conducted over two years in northern New South Wales.