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Thistles of Colorado
Thistles of Colorado About This Guide Identification and Management Guide Many individuals, organizations and agencies from throughout the state (acknowledgements on inside back cover) contributed ideas, content, photos, plant descriptions, management information and printing support toward the completion of this guide. Mountain thistle (Cirsium scopulorum) growing above timberline Casey Cisneros, Tim D’Amato and the Larimer County Department of Natural Resources Weed District collected, compiled and edited information, content and photos for this guide. Produced by the We welcome your comments, corrections, suggestions, and high Larimer County quality photos. If you would like to contribute to future editions, please contact the Larimer County Weed District at 970-498- Weed District 5769 or email [email protected] or [email protected]. Front cover photo of Cirsium eatonii var. hesperium by Janis Huggins Partners in Land Stewardship 2nd Edition 1 2 Table of Contents Introduction 4 Introduction Native Thistles (Pages 6-20) Barneyby’s Thistle (Cirsium barnebyi) 6 Cainville Thistle (Cirsium clacareum) 6 Native thistles are dispersed broadly Eaton’s Thistle (Cirsium eatonii) 8 across many Colorado ecosystems. Individual species occupy niches from Elk or Meadow Thistle (Cirsium scariosum) 8 3,500 feet to above timberline. These Flodman’s Thistle (Cirsium flodmanii) 10 plants are valuable to pollinators, seed Fringed or Fish Lake Thistle (Cirsium 10 feeders, browsing wildlife and to the centaureae or C. clavatum var. beauty and diversity of our native plant americanum) communities. Some non-native species Mountain Thistle (Cirsium scopulorum) 12 have become an invasive threat to New Mexico Thistle (Cirsium 12 agriculture and natural areas. For this reason, native and non-native thistles neomexicanum) alike are often pulled, mowed, clipped or Ousterhout’s or Aspen Thistle (Cirsium 14 sprayed indiscriminately. -
2009 Vermilion, Alberta
September 2010 ISSN 0071‐0709 PROCEEDINGS OF THE 57th ANNUAL MEETING OF THE Entomological Society of Alberta November 5‐7, 2009 Vermilion, Alberta Content Entomological Society of Alberta Board of Directors for 2009 .............................................................. 3 Annual Meeting Committees for 2009 ................................................................................................. 3 President’s Address ............................................................................................................................. 4 Program of the 57th Annual Meeting.................................................................................................... 6 Oral Presentation Abstracts ................................................................................................................10 Poster Presentation Abstracts.............................................................................................................21 Index to Authors.................................................................................................................................24 Minutes of the Entomology Society of Alberta Executive/Board of Directors Meeting ........................26 Minutes of the Entomological Society of Alberta 57th Annual General Meeting...................................29 2009 Regional Director to the Entomological Society of Canada Report ..............................................32 2009 Northern Director’s Reports .......................................................................................................33 -
Classical Biological Control of Nodding and Plumeless Thistles
Biological Control 21, 206–213 (2001) doi:10.1006/bcon.2001.0940, available online at http://www.idealibrary.com on Classical Biological Control of Nodding and Plumeless Thistles L. T. Kok Department of Entomology, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061-0319 Received March 15, 2001; accepted March 20, 2001; published online May 22, 2001 group. Both thistles are winter annuals or biennials. Nodding (musk) thistle (Carduus thoermeri Wein- Seeds produced in summer form rosettes which over- mann in the Carduus nutans L. group) and plumeless winter. The rosettes resume development in spring, thistle (Carduus acanthoides L.) are introduced nox- followed by stem elongation and flowering. Nodding ious weeds of Eurasian origin. Both weeds are prob- thistle was first recorded in 1853 at Harrisburg, Penn- lematic in pastures, rangelands, and croplands and sylvania (Stuckey and Forsyth, 1971) and has been along state highways in many parts of the United reported in 40 of the 48 contiguous states (Frick, 1978). States. The success of both species of thistles is largely Plumeless thistle first appeared in 1878 at Camden, due to their prolific seed production, seed longevity, New Jersey and in Ohio (Batra, 1978) and is found in competitive ability, and lack of natural enemies. Clas- sical biological control of nodding thistle in Virginia 19 states (Frick, 1978). The two thistle species often has been achieved with three exotic thistle herbivores, occupy the same habitats in the northeast, such as Rhinocyllus conicus Froelich (Coleoptera: Curculion- overgrazed pastures and disturbed roadsides, some- idae), Trichosirocalus horridus (Panzer) (Coleoptera: times occurring in mixed stands (Batra, 1978). -
Terrestrial Insects: a Hidden Biodiversity Crisis? 1
Chapter 7—Terrestrial Insects: A Hidden Biodiversity Crisis? 1 Chapter 7 Terrestrial Insects: A Hidden Biodiversity Crisis? C.H. Dietrich Illinois Natural History Survey OBJECTIVES Like most other elements of the biota, the terrestrial insect fauna of Illinois has undergone drastic change since European colonization of the state. Although data are sparse or entirely lacking for most species, it is clear that many formerly abundant native species are now exceedingly rare while a few previously uncommon or undocumented species, both native and exotic, are now abundant. Much of this change may be attributable to fragmentation and loss of native habitats (e.g., deforestation, draining of wetlands, agricultural conversion and intensification, urbanization), although other factors such as invasion by exotic species (including plants, insects and pathogens), misuse of pesticides, and improper management of native ecosystems have probably also been involved. Data from Illinois and elsewhere in the north temperate zone provide evidence that at least some groups of terrestrial insects have undergone dramatic declines over the past several decades, suggesting that insects are no less vulnerable to anthropogenic environmental change than other groups of organisms Yet, insects continue to be under-represented on official lists of threatened or endangered species and conservation programs focus primarily on vertebrates and plants. This chapter summarizes available information on long-term changes in the terrestrial insect fauna of Illinois, reviews possible causes for these changes, highlights some urgent research needs, and provides recommendations for conservation and management of terrestrial insect communities. INTRODUCTION Insects are among the most important “little things that run the world” (1). -
Invasive Alien Species: the Application of Classical Biological Control for the Management of Established Invasive Alien Species Causing Environmental Impacts
CBD Distr. GENERAL CBD/COP/14/INF/9 12 November 2018 ENGLISH ONLY CONFERENCE OF THE PARTIES TO THE CONVENTION ON BIOLOGICAL DIVERSITY Fourteenth meeting Item 26 of the provisional agenda* Sharm El-Sheikh, Egypt, 17-29 November 2018 INVASIVE ALIEN SPECIES: THE APPLICATION OF CLASSICAL BIOLOGICAL CONTROL FOR THE MANAGEMENT OF ESTABLISHED INVASIVE ALIEN SPECIES CAUSING ENVIRONMENTAL IMPACTS Note by the Executive Secretary BACKGROUND 1. The Executive Secretary is circulating herewith, for the information of participants in the fourteenth meeting of the Conference of the Parties, a document on the application of classical biological control for the management of established invasive alien species causing environmental impacts. 2. The document is relevant to the work of the Convention on Biological Diversity, in particular with regard to addressing (a) tools for conducting analysis for the management of invasive alien species, (b) the risks associated with trade in live alien organisms, and (c) achieving Aichi Biodiversity Target 9. 3. The document is being circulated in the form and language in which it was received by the Secretariat. * CBD/COP/14/1. The application of classical biological control for the management of established invasive alien species causing environmental impacts Summary for Policy Makers Prepared by: International Union for Conservation of Nature (IUCN), Species Survival Commission Invasive Species Specialist Group (ISSG) *Note that the full report follows on from this Summary for Policy Makers document. Summary for policy makers Convention on Biological Diversity (CBD) COP13 Decision XIII on Invasive Alien Species (IAS) recognized ‘that classical biological control can be an effective measure to manage already established invasive alien species’, and encouraged ‘Parties, other Governments and relevant organizations, when using classical biological control to manage already established invasive alien species, … [to take] into account the summary of technical considerations1’ that was annexed to the decision. -
Thistle Identification
Oklahoma Cooperative Extension Service PSS-2776 Thistle Identification January 2021 Laura Goodman Extension Rangeland Ecology Specialist Oklahoma Cooperative Extension Fact Sheets are also available on our website at: Tom Royer extension.okstate.edu Extension Entomologist Alex Rocateli can often develop. The current Thistle Law includes three of Forage Systems Extension Specialist the five species. However, all introduced thistles should be considered invasive. Oklahoma’s Noxious Weed Law, first enacted in 1994 in four counties in northeastern Oklahoma (Code 35:30-36-13) Thistles Listed in the Noxious Weed Law was amended in 1995, 1998 and 1999. The current law de- Canada thistle (Cirsium arvense) is an introduced peren- clares musk, scotch and Canada thistles to be noxious weeds nial thistle widely distributed in Nebraska and other northern and public nuisances in all counties of the state. states. At present, it does not appear to be a major threat in There are about a dozen purple-flowered spiny thistle Oklahoma. Several plants were collected in the panhandle species that occur in Oklahoma. Oklahoma’s Noxious Weed counties in the 1950s and several more in Bryan County in Law can raise concern among landowners if they do not the 1970s, but currently, no infestations are known to exist in know which thistles on their land they are required to control. the state. In a 1998 survey of noxious weeds in Meade County The purpose of this publication is to describe the introduced Kansas, north of Beaver County, Oklahoma, reported a small thistles, selected common native thistles and provide infor- infestation of Canada thistle. -
BULL THISTLE (Cirsium Vulgare) Description
BULL THISTLE (Cirsium vulgare) Description: Bull thistle, also referred to as spear thistle, Fuller’s thistle and lance-leafed thistle, is a member of the Asteraceae or sunflower family. Bull thistle can grow 2 to 5 feet tall with numerous spreading branches. Stems of the plant are sparsely hairy, irregularly and spiny winged, green or brownish in color with purple veins. Leaf margins are double dentate (toothed and toothed again), each ending in a lone stiff spine. The leaf surface of the plant has a distinct center vein with slight pubescence on the topside and more underneath. Flower heads are usually solitary on the end of each stem, gumdrop-shaped, one to two inches tall with long, stiff, yellow tipped spines. Flowers are generally bright purple but sometimes white in color. Seeds are light-colored with dark brown to black longitudinal stripes. Seeds are generally 1/16 inch long, oblong, somewhat flattened or curved, with a long, white, hairy plume. Plant Images: Bull thistle Rosette Leaf Gumdrop-shaped flower Distribution and Habitat: This thistle is generally found in the northern and eastern counties in North Dakota and is the least serious of the introduced thistles in the s tate. The plant thrives in moist soils and is less common on sand and pure clay soils. Typical habitats include disturbed or degraded land, such as roadsides, fence rows, overgrazed pastures and rangelands, eroded gullies, ditch banks and vacant lots. Life History/Ecology: Bull thistle is a biennial that reproduces and spreads solely by seed production. Germination of the plant occurs in the spring or during the fall in response to adequate soil moisture. -
Preliminary Results on the Phytophagous Insect Fauna on Onopordum Acanthium (Asteraceae) in Bulgaria
Pestic. Phytomed. (Belgrade), 25(4), 2010, 301-309 UDC: 591.617:632.51 Pestic. fitomed. (Beograd), 25(4), 2010, 301-309 Scientific paper * Naučni rad DOI: 10.2298/PIF1004301H Preliminary Results on the Phytophagous Insect Fauna on Onopordum acanthium (Asteraceae) in Bulgaria Vili Harizanova1, Atanaska Stoeva1, Massimo Cristofaro2, Allesandra Paolini2, Francesca Lecce2 and Franca Di Cristina2 1UAgricultural University-Plovdiv, Plovdiv 4000, Mendeleev 12, Bulgaria ([email protected]) 2ANEA C.R. Cassacia UTAGRI-ECO Via Anguillarese 301, 00123 S. Maria di Galeria (Rome), Italy Received: August 5, 2010 Accepted: November 3, 2010 SUMMARY The Scotch thistle, Onopordum acanthium (Asteraceae) has the Eurasian origin and represents an invasive weed in the USA and Australia. It is a serious problem in pastures, along roadsides, rangeland, etc. The weed is very common in Bulgaria and in 2009-2010 several sites with large populations of O. acanthium have been located. The weekly sur- veys of some of the sites, mainly in the region of Plovdiv, revealed a significant diver- sity of phytophagous insect species, some of which had very high population density. More than 30 species have already been identified and observations on the phenolo- gy and biology of some of them have been conducted. For some of the species, such as endophagous Larinus latus, Lixus cardui, Eublemma amoena, Trichosirocalus briesei, or ectophagous Cassida rubiginosa etc. found during our surveys, there are reports in the lit- erature describing them as having been already introduced as successful biocontrol agents in Australia. Endophagous species like lepidopteran Myelois circumvoluta and Pyroderces argyrogrammos which feed on the stems and the head, and the tephritid flies Tephritis pos- tica and Chaetostomella cylindrica which feed on the capitula, seem quite destructive for the weed, but need to be further studied regarding host specificity. -
Nowe Stanowiska Hildenbrandia Rivularis (Liebm.) J
NOTATKI / NOTES Michał Smoczyk NOWE STANOWISKA HILDENBRANDIA RIVULARIS (LIEBM.) J. AGARDH (RHODOPHYTA) W WOJEWÓDZTWIE LUBUSKIM New localities of the red alga Hildenbrandia rivularis (Liebm.) J. Agardh (Rhodophyta) in Lubuskie Province Hildenbrandia rzeczna Hildenbrandia rivularis (Liebm.) J. Agardh jest słodkowodnym krasnorostem, tworzącym charakterystyczne skorupiaste plechy w postaci purpurowego na- lotu na kamieniach zanurzonych w wodzie (Starmach 1977, Eloranta et al. 2011). Gatunek ten związany jest przede wszystkim z czystymi (od oligo- do eutroficznych) wodami płyną- cymi, o dużej przewodności i bogatymi w wapń, rzadziej notowany był w jeziorach (Eloranta i Kwandrans 2004, Żelazna-Wieczorek i Ziułkiewicz 2008). W Polsce posiada rozproszone stanowiska na niżu i terenach podgórskich, w ostatnich latach gatunek ten został wykaza- ny również z centralnej Polski (Żelazna-Wieczorek i Ziułkiewicz 2008). Z terenu Ziemi Lu- buskiej podawane są stanowiska m.in. z doliny rzeki Pliszki (Król 1987, Wołejko i Stańko 1998), z jej odcinka między Jeziorem Wielicko a Sądowem (obserwacje własne 2009) oraz Łagowsko-Sulęcińskiego Parku Krajobrazowego z rzeki Łagowa i Jeziora Łagowskiego (Ma- ciantowicz i Jermaczek 2004). Z powodu swojej rzadkości występowania i własności wskaź- nikowych dla wód czystych, gatunek ten został objęty ścisłą ochroną gatunkową w Polsce (Rozporządzenie 2012). Jest również umieszczony na Czerwonej Liście glonów zagrożonych w Polsce (Siemińska et al. 2006) z kategorią narażony na wyginięcie (V). W latach 2009-2011 znaleziono -
Města Brna – Historie a Současnost
2020 Motýli (Lepidoptera) města Brna – historie a současnost Zdeněk Laštůvka, Aleš Laštůvka af.mendelu.cz 2020 Zdeněk Laštůvka, Aleš Laštůvka Motýli (Lepidoptera) města Brna – historie a současnost Vědečtí recenzenti: Ing. Jan Liška, Výzkumný ústav lesního hospodářství a myslivosti, v.v.i., Jíloviště-Strnady Ing. Jan Šumpich, Národní muzeum, Praha Možná citace: Laštůvka Z. & Laštůvka A., 2020: Motýli (Lepidoptera) města Brna – historie a současnost. Mendelova univerzita v Brně, Brno, 120 s. © Zdeněk Laštůvka & Aleš Laštůvka, 2020 © Mendelova Univerzita v Brně, Zemědělská 1, 613 00 Brno ISBN 978-80-7509-750-7 (Print) ISBN 978-80-7509-769-9 (On-line) Motýli (lepidoptera) Města Brna – historie a současnost OBSAH Abstrakt . 4 Abstract ...................................................................4 1 Úvod ....................................................................5 2 Historie studia motýlů na Brněnsku ........................................6 2.1 Nejstarší badatelé . 6 2.2 První polovina 20. století ................................................... 6 2.3 Poválečné období.......................................................... 7 2.4 Současnost ................................................................ 7 3 Přírodní poměry, proměny města a biotopy .................................8 4 Metodika ...............................................................13 5 Celkové výsledky . 17 6 Přehled zjištěných druhů.................................................20 7 Změny v průběhu času ...................................................53 -
Biological Control of Common Tansy
RESEARCH “Development of a biological control program for common tansy” BIOLOGICAL CONTROL OF COMMON TANSY PROJECT NO.: 0007-053 What they learned: Isophrictis striatella lays eggs in RESEARCH INSTITUTION: Alberta Invasive Plant the flower heads but the larvae complete their life Council cycle mainly in dry stems. This means that this insect LEAD RESEARCHER: Alec McClay would have little effect on the growth and development of common tansy, but may decrease Background: Common tansy is an invasive, toxic, seed production. Many Longitarsus noricus eggs perennial, European plant that grows in uncultivated were obtained for the larval tests; however, one of the land (pastures, riparian areas, rights of way, parks, test gardens was infested by another Longitarsus and natural areas). It reduces pasture quality and species. All the Longitarsus species are quite similar, productivity and displaces native plant communities. so DNA tests must be used to differentiate between In recent years it has also been spreading rapidly into them, as adults emerged out of plants that were not the forested areas of northern Alberta. Chemical exposed to L. noricus. Results are still pending for control options for common tansy are limited this insect. Cassida stigmatica was able to develop because it often grows near water bodies and in on a few related species, but common tansy seems remote locations that are difficult and expensive to to be its preferred host. Microplontus millefolii is access. sometimes difficult to rear, however results are Objectives: To investigate whether insects can be improving and it showed promising host-specificity. used to control common tansy without herbicides or Stringent requirements regarding the usage of cultivation. -
Die Schmetterlinge Oberösterreichs
© Biologiezentrum Linz/Austria; download unter www.biologiezentrum.at Die Schmetterlinge Oberösterreichs Im Auftrag der Entomologischen Arbeitsgemeinschaft am OÖ. Landesmuseum zu Linz herausgegeben von K. Kusdas und E. R. Reichl Teil 6: Microlepidoptera (Kleinschmetterlinge) I Bearbeiter: J. Klimesch Linz 1990 © Biologiezentrum Linz/Austria; download unter www.biologiezentrum.at © Biologiezentrum Linz/Austria; download unter www.biologiezentrum.at Die Schmetterlinge Oberösterreichs Im Auftrag der Entomologischen Arbeitsgemeinschaft am OÖ. Landesmuseum zu Linz herausgegeben von K. Kusdas und E. R. Reichl Teil 6: Microlepidoptera (Kleinschmetterlinge) I Bearbeiter: J. Klimesch Linz 1990 © Biologiezentrum Linz/Austria; download unter www.biologiezentrum.at © Biologiezentrum Linz/Austria; download unter www.biologiezentrum.at Die Drucklegung dieses Bandes wurde durch eine Subvention der Oberösterreichischen Landesregierung in dankenswerter Weise gefördert. © Biologiezentrum Linz/Austria; download unter www.biologiezentrum.at © Biologiezentrum Linz/Austria; download unter www.biologiezentrum.at Inhaltsübersicht Einführung 1 Literaturübersicht 9 Systematischer Teil: Micropterigidae 17 Eriocraniidae 21 Nepticulidae 23 Opostegidae 54 Tischeriidae 55 Incurvariidae 58 Heliozelidae 76 Tineidae 78 Ochsenheimeriidae 93 Lyonetiidae 95 Bucculatricidae 102 Gracillariidae 109 Phyllocnistidae 152 Ethmiidae 154 Stathmopodidae 157 Oecophoridae 158 Elachistidae 194 Coleophoridae 217 Blastodacnidae 247 Blastobasidae 249 Symmocidae 251 Batrachedridae 252 Momphidae