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Population Ecology of the Multivoltine Neotropical Gall Midge Eugeniamyia Dispar (Diptera, Cecidomyiidae)
170 MENDONÇA JR & ROMANOWSKI Population ecology of the multivoltine Neotropical gall midge Eugeniamyia dispar (Diptera, Cecidomyiidae) Milton de S. Mendonça, Jr.1,2 & Helena P. Romanowski1 1. Programa de Pós-Graduação em Biologia Animal, Departamento de Zoologia, Instituto de Biociências, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9500, Bloco IV, Prédio 43435, 91501-970, Porto Alegre, RS, Brazil ([email protected]). 2. Departamento de Ecologia, Instituto de Biociências, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9500, Bloco IV, Prédio 43422, 91501-970, Porto Alegre, RS, Brazil. ABSTRACT. Our understanding of the population ecology of insect gallers is largely built on examples from temperate zones, but tropical and subtropical gallers may present distinct patterns of abundance and distribution across time. Eugeniamyia dispar Maia, Mendonça & Romanowski, 1996 is a multivoltine Neotropical cecidomyiid that induces spongy leaf galls on Eugenia uniflora(Myrtaceae). Galls were censused in the urban area of Porto Alegre, southern Brazil on six plants at two sites, for two years, at roughly weekly intervals. Overall 9,694 eggs, galling attempts and galls were counted. New galls continuously appear on developing leaves, but galls with live inducers are absent from June to at least early August. Galls on a same shoot develop synchronically, thus the shoot is probably the unit for oviposition. Given the also synchronic appearance of galls on different plants on a site, it seems midges can disperse and attack close-by plants. Gall cohorts varied in abundance by two orders of magnitude; there were more galls during summer than for spring and autumn, in a wave-like pattern. -
Urban Pest Management: a Report REFERENCE COP~ for LIBRAR'l USE ONLY
This PDF is available from The National Academies Press at http://www.nap.edu/catalog.php?record_id=19809 Urban Pest Management: A Report (1980) Pages Committee on Urban Pest Management; Environmental 304 Studies Board; Commission on Natural Resources; Size National Research Council 5 x 8 ISBN 0309031257 Find Similar Titles More Information Visit the National Academies Press online and register for... Instant access to free PDF downloads of titles from the NATIONAL ACADEMY OF SCIENCES NATIONAL ACADEMY OF ENGINEERING INSTITUTE OF MEDICINE NATIONAL RESEARCH COUNCIL 10% off print titles Custom notification of new releases in your field of interest Special offers and discounts FROM THE ARCHIVES Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the National Academies Press. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. To request permission to reprint or otherwise distribute portions of this publication contact our Customer Service Department at 800-624-6242. Copyright © National Academy of Sciences. All rights reserved. Urban Pest Management: A Report http://www.nap.edu/catalog.php?record_id=19809 REFERENCE COP~ fOR LIBRAR'l USE ONLY lliQM1~ ..Nationa[ AcademJ Press The National Academy Press was created by the National Academy of Sciences to publish the reports issued by the Academy and by the National Academy of Engineering, the Institute of Medicine, and the National Research Council, all operating under the charter granted to the National Academy of Sciences by the Congress of the United States. Copyright © National Academy of Sciences. All rights reserved. Urban Pest Management: A Report http://www.nap.edu/catalog.php?record_id=19809 IJrbaa Pesl M aaagemeal A Report Prepared by the COMMITI'EE ON URBAN PEST MANAGEMENT Environmental Studies Board Commission on Natural Resources National Research Council ,. -
Females to Host Plant Volatiles
The copyright of this thesis vests in the author. No quotation from it or information derived from it is to be published without full acknowledgementTown of the source. The thesis is to be used for private study or non- commercial research purposes only. Cape Published by the University ofof Cape Town (UCT) in terms of the non-exclusive license granted to UCT by the author. University OLFACTORY RESPONSES OF DASINEURA DIELSI RÜBSAAMEN (DIPTERA: CECIDOMYIIDAE) FEMALES TO HOST PLANT VOLATILES Town M.J. KOTZE Cape of Thesis presented for the Degree of DOCTOR OF PHILOSOPHY Universityin the Department of Zoology of UNIVERSITY OF CAPE TOWN June 2012 Dedicated to Town my mother, Hester WJ Kotze 5 April 1927 – 4 June 2011 Cape of University ii ACKNOWLEDGEMENTS There are several people without whom this thesis and the work it describes would not have been possible at all. It gives me great pleasure to thank all those people who have contributed towards the successful completion of this work. My sincere thanks go to Prof. John Hoffman, my supervisor for this project. John, I arrived on your doorstep with a slightly out-of-the-ordinary story, and you took me on as a student. I am grateful that you were my supervisor. Thank you for giving me freedom to work my project in my own personal style, but at the same time growing my skills as researcher. Thanks for allowing me to investigate some of the side paths that inevitably presented itself, andTown at the same time reminding me of the “storyline”. Thanks specifically for your excitement when I reported the results as it became unveiled; your enthusiasm fuelled my own excitement.Cape of To Dr. -
Dispersal and Foraging Behaviour of Platygaster Californica: Hosts Can't Run, but They Can Hide
Ecological Entomology (2006) 31, 298–306 Dispersal and foraging behaviour of Platygaster californica : hosts can’t run, but they can hide ANTHONY DARROUZET-NARDI 1 , MARTHA F . HOOPES 2 , JESSE D . WALKER 3 and CHERYL J . BRIGGS 4 1 Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Colorado, U.S.A. ; 2 Department of Biological Sciences, Mount Holyoke College, South Hadley, Massachusetts, U.S.A. ; 3 Department of Biology, Utah State University, Logan, Utah, U.S.A. ; 4 Department of Integrative Biology, University of California, Berkeley, California, U.S.A. Abstract. 1. Host – parasitoid models often identify foraging behaviour and dispersal distance as important for system persistence. 2. Laboratory observations and field trials were used to characterise foraging behaviour and dispersal capability of Platygaster californica Ashmead (Platygasteridae), a parasitoid of the gall midge Rhopalomyia californica Felt (Cecidomyiidae). 3. Although foraging parasitoids meticulously searched plants in laboratory observations, none of the laboratory trials resulted in 100% parasitism, and the proportion of parasitism declined as midge egg density increased. 4. The field trials showed that the distribution of parasitism over distance from a central release point was hump-shaped, as predicted by a simple diffusion model. Mean parasitoid dispersal distance was 4.5 m, considerably farther than the 1.7 m mean midge dispersal found in previous work. 5. Although the parasitoid appears to search thoroughly for midge eggs and to disperse farther than the midge, the results of this study show how this host – parasitoid system may persist due to spatially variable incomplete parasitism. Key words . Gall midge , host – parasitoid interaction , inverse density dependence , persistence , Rhopalomyia californica . -
(Guenee) (Geometridae), a Potential Biocontrol Agent for the Rangeland Weed Baccharis Halimifolia L
Journal of the Lepidopterists' Society 41(4). 1987. 199-208 HOST SPECIFICITY AND BIOLOGY OF PROCHOERODES TRUXALIATA (GUENEE) (GEOMETRIDAE), A POTENTIAL BIOCONTROL AGENT FOR THE RANGELAND WEED BACCHARIS HALIMIFOLIA L. IN AUSTRALIA W. A. PALMER North American Field Station, Queensland Department of Lands, 2714 Pecan Drive, Temple, Texas 76502 AND J. W. TILDEN 125 Cedar Lane, San Jose, California 95127 ABSTRACT. Prochoerodes truxaliata is an ectophagous foliage feeder native to the western United States. It is multivoltine, with larvae found throughout the year on Baccharis pilularis, its only known host. Normal larval development occurred in the laboratory only on species of Baccharis, including B. halimifolia. Larvae also developed on the closely related Chrysothamnus nauseosus, but slow growth and high mortality suggest it is not a natural host. The insect is considered sufficiently stenophagous for introduction into Australia to control Baccharis halimifolia. Additional key words: biological control, Baccharis sarathroides, B. neglecta. The woody shrub Baccharis halimifolia L. (Asteraceae: Astereae: Baccharineae), an introduction from North America, is a serious weed in Queensland, Australia (Stanley & Ross 1986). The Queensland De . partment of Lands, through the Alan Fletcher Research Station, has instigated a long-range research program to find biological control agents in the New World for release against this weed in Australia. One source of potential biocontrol agents is the fauna feeding on species closely related to the weed. Indeed, some authors (Pimentel 1963, Hokkanen & Pimentel 1984) suggest that such insects may be better biocontrol agents because they possess less "ecological homeo stasis". Programs against Opuntia spp. (Dodd 1929, Fullaway 1954, Pettey 1948) provide examples where insects from hosts other than the target species have given significant control. -
On Baccharis Pilularis DC. (Coyote Brush, Asteraceae) Water Relations During Succession Into Coastal Grasslands in a Changing Climate
On Baccharis pilularis DC. (coyote brush, Asteraceae) Water Relations During Succession Into Coastal Grasslands in a Changing Climate By Allison Green Kidder A dissertation submitted in partial satisfaction of the requirements for the degree of Doctor of Philosophy in Environmental Science, Policy, and Management in the Graduate Division of University of California, Berkeley Committee in Charge: Professor Todd. E. Dawson, Co-Chair Professor Joe R. McBride, Co-Chair Professor Wayne P. Sousa Fall 2015 On Baccharis pilularis DC. (coyote brush, Asteraceae) Water Relations During Succession Into Coastal Grasslands in a Changing Climate © 2015 by Allison Green Kidder Abstract On Baccharis pilularis DC. (coyote brush, Asteraceae) Water Relations During Succession Into Coastal Grasslands in a Changing Climate by Allison Green Kidder Doctor of Philosophy in Environmental Science, Policy, and Management University of California, Berkeley Professor Todd E. Dawson, Co-chair Professor Joe R. McBride, Co-chair In California, the common native shrub, Baccharis pilularis DC. (coyote brush, Asteraceae) readily invades grasslands in the absence of fire and grazing. Research shows that water availability is important in regulating B. pilularis seedling establishment in grasslands, with late spring rainfall providing a timely source of moisture that helps B. pilularis roots compete with neighboring grassland plants. The ecohydrology of B. pilularis, particularly during invasion into grasslands, remains largely unexplored. For this research I investigated 1) intraspecific variation in water relations between the prostrate B. pilularis ssp. pilularis and erect B. pilularis ssp. consanguinea (herein B. pilularis) in a mature common garden, 2) seasonal water relations and use of experimentally planted B. pilularis seedlings with and without neighboring plants in cool, fog-prone, perennial-dominated and warm, dry annual-dominated coastal grasslands, and 3) seasonal water relations between experimental B. -
A Stable Isotope Study
ECOLOGY AND POPULATION BIOLOGY Enhanced Carbon Enrichment in Parasitoids (Hymenoptera): A Stable Isotope Study 1, 2 1 1 GAIL A. LANGELLOTTO, JAY A. ROSENHEIM, AND MEGAN R. WILLIAMS Ann. Entomol. Soc. Am. 98(2): 205Ð213 (2005) ABSTRACT By considering the magnitude of isotope enrichment associated with trophic transfers in biologically important elements such as carbon (13C/12C) and nitrogen (15N/14N), it is possible to infer trophic interactions in systems where direct observations are logistically difÞcult. Several recent reviews have estimated that consumers become enriched in the heavy nitrogen isotope on the order of 2.3 to 3.4‰ with each trophic transfer. Furthermore, these same reviews have estimated that consumers become enriched in the heavy carbon isotope between 0.4 and 0.5‰ per trophic transfer. Although these estimates have been used to infer trophic interactions in a variety of taxa, the applicability of these estimates for studies of arthropod community ecology is poorly understood. SpeciÞcally for insect parasitoid communities, estimates of nitrogen and carbon isotope enrichment from a comprehensive study have yet to be published. Here, we present the results of nitrogen and carbon stable isotope analyses for a suite of hymenopteran parasitoids that attack the gall-making midge, Rhopalomyia californica Felt (Diptera: Cecidomyiidae), on coyote bush, Baccharis pilularis (Compositae), in northern California. Mean carbon enrichment for all parasitoids developing on R. californica was considerably higher than expected, based on recent reviews. In fact, discrimination among trophic levels was possible, based on carbon enrichment values alone. Mean nitrogen isotope enrichment was slightly lower than values reported in recent reviews. -
Wellington (2006)
Closing & Awards Concurrent Fri 1st Registration 9.00 am sessions: 45 Wetlands 46 Restoring Australasia 5 47 Conservation strategies 48 Wildlife disease ecology 1 10.40 am Morning tea Concurrent sessions: 49 Avian & Gold Medal 50 Restoring Australasia 6 51 In coastal waters 52 Wildlife disease ecology 2 12.30 pm 1.30 pm Lunch ! ! ! ! ! ! ! ! ! ! ! ! ! Thurs 31st Registration Concurrent sessions: 29 Animal pot-pourri 30 Restoration Australasia 1 31 Fragmentation 32 Fire Morning tea Concurrent sessions: 33 Herbivory 1 34 Restoration Australasia 2 35 Valuations & judgements 36 Plants at high altitudes Lunch Concurrent sessions: 37 Agro-ecosystems 38 Restorating Australasia 3 39 Insects,plants,wood debris 40 Riverine ecology Afternoon tea Concurrent sessions: 41 Herbivory 2 42 Restoring Australasia 4 43 Conservation miscellany 2 44 Big botany ! NZES AGM 5.30 - 6.30 pm ! Field trips Wed 30th ! ! ! ! ! ! ! ! ! The Dinner 6.30pm - 12.30am iii Conference Overview Tues 29th Registration Concurrent sessions: 13 Modelling 14 Urban ecology 1 15 Matters of scale 16 Animal miscellany Morning tea Concurrent sessions: 17 Invasive plants 2 18 Urban ecology 2 19 Honeydew 20 Foraging ecology Lunch Concurrent sessions: 21 Invasive animals 22 Urban ecology 3 23 Botanical pot-pourri 24 Pollination 1 Afternoon tea Concurrent sessions: 25 Influences of heat 26 Urban ecology 4 27 Vegetation assessment 28 Pollination 2 ! Maori feast 5.45 - 9.00 pm Mon 28th Registration and coffee Conference opening Concurrent sessions: Ecology across the Tasman Ecology across -
UC Berkeley UC Berkeley Electronic Theses and Dissertations
UC Berkeley UC Berkeley Electronic Theses and Dissertations Title On Baccharis pilularis DC. (coyote brush, Asteraceae) Water Relations During Succession Into Coastal Grasslands in a Changing Climate Permalink https://escholarship.org/uc/item/8cj0k6v1 Author Kidder, Allison Green Publication Date 2015 Peer reviewed|Thesis/dissertation eScholarship.org Powered by the California Digital Library University of California On Baccharis pilularis DC. (coyote brush, Asteraceae) Water Relations During Succession Into Coastal Grasslands in a Changing Climate By Allison Green Kidder A dissertation submitted in partial satisfaction of the requirements for the degree of Doctor of Philosophy in Environmental Science, Policy, and Management in the Graduate Division of University of California, Berkeley Committee in Charge: Professor Todd. E. Dawson, Co-Chair Professor Joe R. McBride, Co-Chair Professor Wayne P. Sousa Fall 2015 On Baccharis pilularis DC. (coyote brush, Asteraceae) Water Relations During Succession Into Coastal Grasslands in a Changing Climate © 2015 by Allison Green Kidder Abstract On Baccharis pilularis DC. (coyote brush, Asteraceae) Water Relations During Succession Into Coastal Grasslands in a Changing Climate by Allison Green Kidder Doctor of Philosophy in Environmental Science, Policy, and Management University of California, Berkeley Professor Todd E. Dawson, Co-chair Professor Joe R. McBride, Co-chair In California, the common native shrub, Baccharis pilularis DC. (coyote brush, Asteraceae) readily invades grasslands in the absence of fire and grazing. Research shows that water availability is important in regulating B. pilularis seedling establishment in grasslands, with late spring rainfall providing a timely source of moisture that helps B. pilularis roots compete with neighboring grassland plants. The ecohydrology of B. -
Harmonia+ and Pandora+
Appendix A Harmonia+PL – procedure for negative impact risk assessment for invasive alien species and potentially invasive alien species in Poland QUESTIONNAIRE A0 | Context Questions from this module identify the assessor and the biological, geographical & social context of the assessment. a01. Name(s) of the assessor(s): first name and family name 1. Julian Chmiel 2. Barbara Tokarska-Guzik 3. Czesław Hołdyński acomm01. Comments: degree affiliation assessment date (1) dr hab. Department of Plant Taxonomy, Faculty of Biology, 28-01-2018 Adam Mickiewicz University, Poznań, Poland (2) prof. dr hab. Faculty of Biology and Environmental Protection, 01-02-2018 University of Silesia in Katowice (3) prof. dr hab. Department of Botany and Nature Protection, Faculty 31-01-2018 of Biology and Biotechnology, University of Warmia and Mazury in Olsztyn a02. Name(s) of the species under assessment: Polish name: – Latin name: Baccharis halimifolia L. English name: Tree groundsel acomm02. Comments: The current and preferred name is given according to The Plant List (2013 – B). The more commonly used synonyms include: Baccharis halimifolia f. subintegrifolia Heering (1907), Baccharis halimifolia var. angustior DC. (1836) (EPPO 2013 – I, The Plant List 2013 – B) Baccharis asteroides Colla. In addition to the following English common names, the following are also used: Eastern baccharis, groundsel bush, salt march-elder, saltmyrtle, seepwillow, silverling, sea myrtle, manglier, saltbush, waterbrush (EPPO 2013 – I, Fried et al. 2016 – P). The Polish name was used by Stanisław Wodzicki at the beginning of the 19th century in the original notation: „komarnik wirginiyski” (Dolatowski 2013 – P). A synonym for the Polish name: bakcharis srebrzysty. -
Egg Maturation, Oviposition, and Longevity of the Gall Midge Rhopalomyia Californica (Diptera: Cecidomyiidae)
ARTHROPOD BIOLOGY Portrait of an Ephemeral Adult Stage: Egg Maturation, Oviposition, and Longevity of the Gall Midge Rhopalomyia californica (Diptera: Cecidomyiidae) JAY A. ROSENHEIM,1 SARINA J. JEPSEN, CHRISTOPHER E. MATTHEWS, DAVID SOLANCE SMITH, AND MICAH R. ROSENHEIM Department of Entomology, University of California, Davis, CA 95616 Ann. Entomol. Soc. Am. 100(4): 549Ð561 (2007) ABSTRACT Insect reproduction is typically spread out in time and space, making estimates of lifetime reproductive success quite difÞcult under natural Þeld conditions. Such estimates are, however, critical to providing rigorous tests of theory for reproductive behavior. One approach to circumventing this problem is to study insects whose lifetime reproduction is compressed in space and time, and whose ovarian dynamics (oogenesis, oosorption, and oviposition) are simpliÞed. We investigated the gall midge Rhopalomyia californica Felt (Diptera: Cecidomyiidae) as a possible candidate for an herbivore with such a simpliÞed pattern of lifetime reproduction. We demonstrate here that R. californica matures all of its eggs before adult eclosion (it is strictly proovigenic), and it does not resorb eggs, even when deprived of oviposition sites. Observational and experimental studies in the Þeld demonstrate that this midge typically completes its entire lifetime reproduction in a single day: females usually emerge at dawn, mate, and after a posteclosion period of resting, they initiate a sustained period of active oviposition during which most eggs are laid over a 4Ð5-h period. Mean longevity of adult females is very short, consistently Ͻ1 d and only 5Ð6 h on clear and warm days. Two key aspects of senescence are experimentally demonstrated: an increase in mortality rates and a decrease in oviposition rates with age. -
Baccharis Halimifolia L
See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/301741384 Monographs on Invasive Plants in Europe: Baccharis halimifolia L. Article in Acta botanica Gallica: bulletin de la Société botanique de France · April 2016 DOI: 10.1080/23818107.2016.1168315 CITATIONS READS 4 549 8 authors, including: Guillaume Fried Lidia Caño Agence Nationale de Sécurité Sanitaire de l'Alimentation, de l'Env… Universidad del País Vasco / Euskal Herriko Unibertsitatea 81 PUBLICATIONS 877 CITATIONS 39 PUBLICATIONS 251 CITATIONS SEE PROFILE SEE PROFILE Sarah Brunel Anne Charpentier Food and Agriculture Organization of the United Nations Centre d'Ecologie Fonctionnelle et Evolutive 57 PUBLICATIONS 615 CITATIONS 19 PUBLICATIONS 479 CITATIONS SEE PROFILE SEE PROFILE Some of the authors of this publication are also working on these related projects: PRATIQUE View project Weed community ecology View project All content following this page was uploaded by Guillaume Fried on 20 June 2016. The user has requested enhancement of the downloaded file. Botany Letters ISSN: 2381-8107 (Print) 2381-8115 (Online) Journal homepage: http://www.tandfonline.com/loi/tabg21 Monographs on Invasive Plants in Europe: Baccharis halimifolia L. Guillaume Fried, Lidia Caño, Sarah Brunel, Estela Beteta, Anne Charpentier, Mercedes Herrera, Uwe Starfinger & F. Dane Panetta To cite this article: Guillaume Fried, Lidia Caño, Sarah Brunel, Estela Beteta, Anne Charpentier, Mercedes Herrera, Uwe Starfinger & F. Dane Panetta (2016): Monographs on Invasive Plants in Europe: Baccharis halimifolia L., Botany Letters, DOI: 10.1080/23818107.2016.1168315 To link to this article: http://dx.doi.org/10.1080/23818107.2016.1168315 Published online: 29 Apr 2016.