Biological Control Agents

International Symposia on Biological
Control of Weeds


Volume VII - 1988



PageTitle
3On insect-plant associations in Agriculture and the selection of agents for weed biocontrol (ABSTRACT ONLY)
5Application of modeling to biological weed control
17Plant life-history and the success of weed biological control projects
27Current problems in host-specificity screening
37Why a gall former can be a good biocontrol agent: the gall wasp Trichilogaster acaciaelongifoliae and the weed Acacia longifolia (ABSTRACT ONLY)
39Feeding strategy, coexistence and impact of insect in spotted knapweed capitula
49Flowering plants as a source of food for parasitic and predatory insects (ABSTRACT ONLY)
51New factors of efficiency of Phytophages: A solitary population wave and succession process
55Ecological mechanisms underlying successful biological weed control: Field experiments with ragwort Senecio jacobaea
67The ability of plants to compensate for insect attack: Why biological control of weeds with insects is so difficult
75Insect associations on leafy spurge in Europe: Implications for strategies for releases of biological control agents in North America
83Host-specificity and morphological variation in Epitrimerus taraxaci (Acarina: Eriophyoidea) (ABSTRACT ONLY)
85Problems which arise with host-specificity testing of insects
93Evaluation of biological control projects
101Biological control, a component of integrated weed management
109United States Department of Agriculture (USDA) safeguards for introducing natural enemies for biological control of weeds
117Echium in Australia: the conflict continues (ABSTRACT ONLY)
119Impact of the cinnabar moth (Tyria jacobaeae) on Senecio triangularis, a non-target native plant in Oregon
127Environmental protection procedures and the biological control programme against gorse in New Zealand
137A plant's response to herbivory: The trade-off between defense and regrowth
145Chemotaxonomic affinities of Eurasian leafy spurges (Euphorbia spp.) in relations to a biological control program
155A new biological control programme against thistles of the genus Onopordum in Australia
165A comparison between flower-head insect communities of South African Berkheya and European Cynareae
171Host damage by Pterolonche inspersa (Lepidoptera: Pterolonchidae) and Bangasternus fausti (Coleoptera: Curculionidae) on diffuse knapweed (Centaurea diffusa) (ABSTRACT ONLY)
173The potential of Larinus planus (Coleoptera: Curculionidae), an accidentally-introduced insect in North America, for biological control of Cirsium arvense (Compositae)
181An experimental and phytocentric approach for selecting effective biological control agents: Insects on spotted and diffuse knapweed, Centaurea maculosa and C. diffusa (Compositae)
191Propagation of Cirsium douglasii and C. andrewsii by tissue culture for use as test plants in biological control of weeds research
195The functional forms of density-dependent birth and death rates in diffuse knapweed (Centaurea diffusa) explain why it has not been controlled by Urophora affinis, U. Quadrifasciata and Sphenoptera jugoslavica
203Density and survival of introduced populations of Urophora stylata (Diptera: Tephritidae) in Cirsium vulgare (Compositae) in Canada, compared with native populations
211The importance of insect herbivores relative to other limiting factors on weed population dynamics: A case study of Carduus nutans
221Modification of flowerheads of diffuse knapweed by the gall-inducers Urophora affinis and Urophora quadrifasciata (Diptera: Tephritidae)
229Resource use and population dynamics of insects in flowerheads of Arctium and related Compositae (ABSTRACT ONLY)
231Host-specificity studies of Chaetorellia australis (Diptera: Tephritidae), a prospective biological control agent for yellow starthistle, Centaurea solstitialis (Asteraceae)
239Biological control of aquatic and wetland weeds in the southeastern United States
263Biological control of aquatic weeds in South Africa - An interim report
269Available feeding niches in populations of Lythrum salicaria (purple loosestrife) in the Northeastern United States
279Biological control of aquatic weeds in Egypt using the grass carp (Ctenopharyngodon idella)
285Control of Salvinia molesta in Sri Lanka by Cyrtobagous salviniae
293Brazilian peppertree - Prospects for biological control
299Biological control of tansy ragwort (Senecio jacobaea) in western Oregon, U.S.A., 1975-1987
307Prospects for biological control of saltcedar (Tamarix spp.) in riparian habitats of the southwestern United States
315Progress towards biological control of ragwort in Australia
323Photoperiod and reproductive diapause in the St. John's wort beetle, Chrysolina hyperici
329Insects associated with poison ivy and their potential as biological control agents
339Temperature and development of cinnabar moth, Tyria jacobaeae (Lepidoptera: Arctiidae), in New Zealand
347Conventional and novel procedures for evaluating herbivore damage on plants: the biological control of Sesbania punicea (Fabaceae) (ABSTRACT ONLY)
349The seed-attacking wasp Bruchophagus sp. (Hymenoptera: Eurytomidae) and its potential for biological control of Acacia longifolia in South Africa
357Present status of biological control of the weed gorse (Ulex europaeus L.) in Hawaii
363Work towards biological control of Lantana camara: Perspectives
371Progress and prospects for the biological control of two Solanum weeds in South Africa
385Reproductive potential in terms of quantitative food utilization of Zygogramma bicolorata (Coleoptera: Chrysomelidae) on Parthenium hysterophorus (Asteraceae)
395Ovipositional and feeding habits in cactophagous pyralids: Predictions for biological control of cactus weeds in southern Africa
401Distribution of Chromolaena odorata (Asteraceae) and bionomics and consumption and utilization of food by Pareuchaetes pseudoinsulata (Lepidoptera: Arctiidae) in India
411Scentless chamomile (Matricaria perforata)- A new target weed for biological control
417The taxonomy of North American leafy spurge
425Prospects for the biological control of Rumex species in Australia
429The utilisation of an invader cactus weed as part of an integrated control approach
435Potential for Xanthium spinosum control by Colletotrichum orbiculare as a mycoherbicide
445Comparison of Puccinia spp. from Carduus thistles using isozyme analysis
449Aspects of the biology of the spear thistle rust fungus in Victoria, Australia
455Assessment of efficacy of mycoherbicide candidates
465Pathogenicity and host-specificity of Pleospora papaveracea, a candidate for biological control of poppy (Papaver rhoeas)
471Employment of pathogens to constrain growth of undesirable forest vegetation
477Preliminary assessment of fungal pathogens as biological control agents for Rottboellia cochinchinensis (Gramineae)
483Biological control of waterhyacinth with fungal plant pathogens in Egypt
499Field experiment with the European knapweed rust (Puccinia jaceae) on safflower, sweet sultan and bachelor's button
511Ramularia rubella - A potential mycoherbicide to control Rumex weeds (ABSTRACT ONLY)
513Colletotrichum gloeosporioides f. sp. malvae as a bioherbicide for round-leaved mallow (Malva pusilla): Conditions for successful control in the field
523Field efficacy at different concentrations of Colletotrichum gloeosporioides f. sp. malvae as a bioherbicide for round-leaved mallow (Malva pusilla)
531Biological control of Parthenium weed using two rust fungi
539Rust (Puccinia canaliculata) and nutsedges (Cyperus sp.)
545Control of Prunus serotina in forests with the endemic fungus Chondrostereum purpureum
553Perspectives on mycoherbicides two decades after discovery of the COLLEGO® pathogen
559Factors in the infection process of fungal pathogens for biological control of weeds
565Field testing of two Bipolaris species as mycoherbicides for Johnsongrass (Sorghum halepense)
571Control of milk weed (Euphorbia heterophylla) with Helminthosporium spp.
579Biology of Trichobaris bridwelli (Coleoptera: Curculionidae), a possible agent for the biological control of Jimsonweed, Datura stramonium (Solanaceae) (ABSTRACT ONLY)
581Biological agents limiting the development of Sorghum halepense
585Using remote sensing for detecting brush and weeds on rangelands in the southwestern United States
595Aphthona abdominalis (Coleoptera: Chrysomelidae): A candidate biological control agent for leafy spurge (Euphorbia esula) "complex" control in the USA (ABSTRACT ONLY)
597Investigation on the Pegomya argyrocephala complex of species (Diptera: Anthomyiidae) to select candidate biological control agents for leafy and cypress spurge in North America
609Arthropod and phytopathogen natural enemies of several weeds in Turkey
613Influence of temperature on development of Zygogramma suturalis - an insect used to control Ambrosia artemisiifolia
623Biological control of weeds in Virginia from 1969-86
631When you have seen one redwood you have not seen them all (ABSTRACT ONLY)
633New problems in weed control in Italy
639The phytophagous insect fauna of Ambrosia artemisiifolia in Yugoslavia
645Relevance of seed kill for the control of annual grass weeds in crops
651Northeast Asia as a source of biological control agents for North American weeds
659Biological control of weeds in Romania
663Southern African moths for the control of British bracken
671A review of the biological control of Australian weeds of South African origin (ABSTRACT ONLY)
673Scientific treatise on insect species of biological value in controlling common weeds of Egypt (ABSTRACT ONLY)
675Biological control of forest weeds: Canadian research efforts
685The biological control programme for Cryptostegia grandiflora in Australia
689Biological control of weeds in China: a status report
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