Biological Control Agents

International Symposia on Biological
Control of Weeds


Volume XI - 2003



PageTitle
21Evolving weeds and biological control
28Predicting the climate compatibility of biological control agents in their region of introduction
36The need to build biological control capacity in the Pacific
42The new encounter concept: centres of origin, host specificity and plant pathogens
48Phytomyza vitalbae, Phoma clematidina, and insect-plant pathogen interactions in the biological control of weeds
57Can population modelling predict potential impacts of biocontrol? A case study using Cleopus japonicus on Buddleja davidii
63Molecular ecology of broom twig miner: implications for selection and release of biological control agents (ABSTRACT ONLY)
63Tobacco mild green mosaic virus: a virus-based bioherbicide (ABSTRACT ONLY)
64The significance and variability of predation of weed seeds in an agricultural landscape in Western Australia (ABSTRACT ONLY)
64The value of using taxonomists to survey for potential biological control agents of weeds (ABSTRACT ONLY)
69Pathogens for the biological control of weedy stipoid grasses in Australia: competition of investigations in Argentina
75Psylliodes chalcomerus (Coleoptera: Chrysomelidae: Alticinae), a flea beetle candidate for biological control of yellow starthistle Centaurea solstitialis
81Ecological basis for selecting biocontrol agents for lantana
88Eriophyid mites for the biological control of knapweeds: morphological and biological observations
96Flea beetles (Coleoptera: Chrysomelidae) associated with purple loosestrife, Lythrum salicaria, in Russia
102The significance of intraspecies pathogenicity in the selection of a rust pathotype for the classical biological control of Mikania micrantha (mile-a-minute weed) in Southeast Asia
108Two shoot miners as potential biological control agents for garlic mustard: should both be released
113Pre-release evaluation and host-range testing of Floracarus perrepae (Eriophyidae) genotypes for biological control of Old World climbing fern
117Studies in Argentina on two new species of Thrypticus (Diptera: Dolichopodidae) as agents for the biological control of water hyacinth, Eichhornia crassipes
121Population structure, ploidy levels and allelopathy of Centaurea maculosa (spotted knapweed) and C. diffusa (diffuse knapweed) in North America and Eurasia
127Thirty years of exploration for and selection of a succession of Melanterius weevil species for biological control of invasive Australian acacias in South Africa: should we have done anything differently?
135Insects for the biocontrol of weeds: predicting parasitism levels in the new country
141Biological control of Rubus fruticosus agg. (blackberry): in the leaf rust the only option for Australia?
145The CSIRO Mexican Field Station: history and current activities
149Surveys for natural enemies of giant hogweed (Heracleum mantegazzianum) in the Caucasus region and assessment for their classical biological control potential in Europe
155Candidates for the biological control of teasel, Dipsacus spp.
162Quantitative field surveys for the selection of biological control agents for Genista monspessulana, based on host range and efficacy assessment
175Avoiding and exploiting trophic cascading: its role in the selection of weed biological control agents
180New research on Alternanthera philoxeroides (alligator weed) in its South American native range
186Survey of potential biological agents to control yellow bells, Tecoma stans (l.) Kunth. (Bignoniaceae), in southern Brazil
188The patterns of harvester ant removal of wild radish seeds in the native range: the importance of generalist seed predators to weed management
193Exploration for plant pathogens against Taeniatherum caput-medusae (medusa-head ryegrass)
198The potential for classical biological control of invasive grass species with special reference to invasive Sporobolus spp. (Poaceae) in Australia
203Prospects for the search for weed biocontrol agents in Russia
208Natural impact of the flea-beetle, Longitarsus sp., on Heliotropium amplexicaule in Argentina and its potential for use as a biological control agent in Australia
215A Canadian strain of Pseudomonas syringae causes white-colour disease of Cirsium arvense (Canada thistle)
221Evaluation of variable temperature regimes on bioherbicidal activity of non-indigenous fungal pathogens for biological control of green foxtail (ABSTRACT ONLY)
221Silybum marianum: another host for Puccinia punctiformis (ABSTRACT ONLY)
222Biological control of the southern African Chromolaena odorata biotype using pathogens - the search continues (ABSTRACT ONLY)
222Competition experiments for pre-release evaluation of the potential efficacy of new biological control agents (ABSTRACT ONLY)
223Foreign explorations and preliminary host-range and field impact bioassays of two promising candidates for the biological control of yellow starthistle in eastern Europe (ABSTRACT ONLY)
224Prospects for classical biological control of torpedograss, Panicum repens (Poaceae), in the USA (ABSTRACT ONLY)
224Sub-specific differentiation in the selection of a suitable biotype of Dactylopius tomentosus for biocontrol of Opuntia fulgida var. fulgida in South Africa (ABSTRACT ONLY)
225The role of ecology in selecting target species and agents for biological control (ABSTRACT ONLY)
226Aspects of the biology and host range of Alcidodes sedi (Curculionidae: Mecysolobini), a potential biological control agent for the introduced plant Bryophyllum delagoense (Crassulaceae) in South Africa and Australia (ABSTRACT ONLY)
226Compatible interactions between the pathogen, weed and environment make the bridal creeper rust a successful biological control agent (ABSTRACT ONLY)
227Biological control of weeds program, Paraná, Brazil: problems and progress in current research on Brazilian weeds in Parana State (ABSTRACT ONLY)
227The use of molecular taxonomy in the exploration for a cold-hardy strain of tansy ragwort flea beetle Longitarsus jacobaeae (Coleoptera: Chrysomelidae) (ABSTRACT ONLY)
228Will further exploration find effective biological control agents for Hydrilla verticillata? (ABSTRACT ONLY)
229Impact of two invasive plants, purple loosestrife (Lythrum salicaria) and reed canary grass (Phalaris arundinacea), on wetland plant and moth communities in the Pacific north-west, USA (ABSTRACT ONLY)
229The use of trap gardens in biological control: the case of blackberry, Rubus fruticosus and its agent, the rust Phragmidium violaceum (ABSTRACT ONLY)
230Biological control of privet in  La Reunion: the story so far (ABSTRACT ONLY)
230Progress with the biological control program for Japanese knotweed (ABSTRACT ONLY)
231Biological control of invasive alien weeds in the UK: new initiatives (ABSTRACT ONLY)
231Bionomy, seasonal incidence and influence of parasitoids of the field bindweed stem borer fly Melanagromyza albocilia (Diptera: Agromyzidae) in Slovakia (ABSTRACT ONLY)
232biocontrol initiative against cat's claw creeper, Macfadyena unguis-cati (Bignoniaceae), in South Africa (ABSTRACT ONLY)
232Varietal resistance in lantana: fact or fiction? (ABSTRACT ONLY)
235Oviposition preference: its definition, measurement and correlates, and its use in assessing risk of host shifts
247Non-target impacts of Aphthona nigriscutis, a biological control agent for Euphorbia esula (leafy spurge), on a native plant Euphorbia robusta
252Are mono-specific agents necessarily safe? The need for pre-release assessment of probable impact of candidate biocontrol agents, with some examples
258Four years of "Code of Best Practices": has it had an impact?
261Setting safety zones for a biological herbicide: a New Zealand case study
265Safety in New Zealand weed biocontrol: a retrospective analysis of host-specificity testing and the predictability of impacts on non-target plants
271Ruling out a host-range expansion as the cause of the unpredicted non-target attack on tagasaste (Chamaecytisus proliferus) by Bruchidius villosus
277Limited success of open field tests to clarify the host range of three species of Lepidoptera of Mimosa pigra
283Biotypes, hybrids and biological control: lessons from cochineal insects on Opuntia weeds
287Putting the phylogeny into the centrifugal phylogenetic method
292Risk assessment of Gratiana boliviana (Chrysomelidae), a potential biocontrol agent of tropical soda apple, Solanum viarum (Solanaceae) in the USA
297Host-specificity testing of the boneseed (Chrysanthemoides monilifera ssp. monilifera) leaf buckle mite (Aceria neseri)
301Evaluating off-target movement of Xanthomonas campestris pv. poannua  following application as a biocontrol agent for Poa annua on golf turf
305Risk analysis of recent cases of non-target attack by potential biocontrol agents in Queensland
310Progress on weed biocontrol projects in Parana State, Brazil: targeting plants that are invasive in Brazil and elsewhere in the world
315Determining the suitability of a European cone weevil, Pissodes validirostris, for biological control of invasive pines in South Africa
322Conflicts of interest associated with the biological control of weeds
341Microbial toxins in weed biocontrol: a risk or an acid?
347Biology and host range of Brazilian thrips Pseudophilothrips ichini, a candidate for biological control of Schinus terebinthifolius: US quarantine tests (ABSTRACT ONLY)
347Regulatory approval processes for release of Puccinia spp. for biological control of Carduus and Centaurea spp. in the United States (ABSTRACT ONLY)
348Host-specificity investigations of a gall midge for the biological control of alien invasive hawkweeds in North America (ABSTRACT ONLY)
348The nature of risk from biological control (ABSTRACT ONLY)
349Our changing perception of Cactoblastis cactorum in North America (ABSTRACT ONLY)
350Attack on and use of a native Hawaiian plant by the biological control agent Teleonemia scrupulosa introduced against Lantana camara (ABSTRACT ONLY)
350Genotyping of pathogens with potential for biological control of invasive weeds (ABSTRACT ONLY)
351Argentinean fungi for Bathurst burr fail preliminary host-specificity tests (ABSTRACT ONLY)
351Biological control of saffron thistle with fungi: limited prospects (ABSTRACT ONLY)
352Assessing the risks associated with the release of a flower bud weevil, Anthonomus santacruzi, against the invasive tree Solanum mauritianum in South Africa (ABSTRACT ONLY)
353A global review of risk-cost-benefit assessments for introductions of biological control agents against weeds: a crisis in the making? (ABSTRACT ONLY)
354Biological control of ragwort (Senecio jacobaea): monitoring nontarget impacts of Cochylis atricapitana and Platyptilia isodactyla on native Australian Senecio species (ABSTRACT ONLY)
354The first genuine root-attacker (Longitarsus sp., Coleoptera: Chrysomelidae: Alticinae) for Lantana camara (ABSTRACT ONLY)
355Host specificity of Megamelus scutellaris (Hemiptera, Fulgoromorpha, Delphacidae), a potential agent for the biological control of waterhyacinth (ABSTRACT ONLY)
355Realized host-specificity testing of Bruchidius villosus (Coleoptera: Chrysomelidae) in Europe (ABSTRACT ONLY)
356Specificity test with Heteroperreyia hubrichi (Hymenoptera: Pergidae) and Calophya terebinthifolii (Homoptera: Psyllidae) potential control agents against Brazilian peppertree Schinus terebinthifolius (Anacardiaceae) in the United States (ABSTRACT ONLY)
357Specificity tests with Tectococcus ovatus (Heteroptera: Eriococcidae) a potential control agent against strawberry guava Psidium cattleianum (Myrtaceae) in the United States (ABSTRACT ONLY)
357The trimorphic lantana flea-beetle Alagoasa extrema not suitable for release in Africa, is suitable for biocontrol in Australia (ABSTRACT ONLY)
358Pre-release studies on Lixus aemulus, a new biocontrol agent on Chromolaena odorata: biology, host range and impact (ABSTRACT ONLY)
361Integrated weed management - could we be doing better? Lessons learned from controlling the invasive wetland shrub, Mimosa pigra
370The transfer of appropriate technology; key to the successful biological control of five aquatic weeds in Africa
375Toxicity of herbicides and surfactants to three insect biological control agents for Cytisus scoparius (Scotch broom)
381Community involvement in the distribution of the biological control for bridal creeper, Asparagus asparagoides
386Release strategies for the establishment of the leaf spot pathogen, Mycovellosiella lantanae var. lantanae, on Lantana camara in South Africa
389Integration of Aphthona spp. flea beetles and herbicides for leafy spurge (Euphorbia esula) control in the habitat of the western prairie fringed orchid (Platanthera praeclara), a threatened species
394Insect performance and host-plant stress: a review from a biological control perspective
400Establishment of a weed biocontrol implementation program in South Africa
407Integrating biological control and land management practices for control of Ulex Europaeus in Hawai'i
412The role of biological control agents in an IWM program for Chrysanthemoides monilifera subsp. Rotundata (bitou bush)
415Progress on the biological control of gorse (Ulex europaeus) in Australia
419Dispelling the myths of biological control: extension activities of the CRC for Australian Weed Management
425Perspectives on biological control of invasive plants in Latin America
428Plant-mediated interactions between Neochetina spp. weevils and the fungal pathogen Cercospora piaropi on Eichhornia crassipes (water hyacinth)
434Politics and ecology in the management of alien invasive woody trees: the pivotal role of biological control agents that diminish seed production
440Release strategies for the moth Agonopterix ulicetella in the biological control of Ulex europaeus in Chile
447Preliminary assessment of release and establishment of lantana herringbone leafminer, Ophiomyia camarai (Diptera: Agromyzidae), in South Africa
451Delivering pasture weed biological control through community networks in temperate Australia
457Using GIS to integrate biological control into the integrated weed management program for Spartina alterniflora in Willapa Bay, Washington
464Novel techniques for increasing the survival of aestivating biological control insects
471Battling the fragrant invader: mass production, application, and implementation of biological control for kahili ginger (Hedychium gardnerianum) (ABSTRACT ONLY)
471Using ecological models to assess the efficacy of weed-control measures (ABSTRACT ONLY)
472Seed treatment technology: an attractive approach for delivering Fusarium oxysporum "Foxy 2" for the biological control of the parasitic weed Striga (ABSTRACT ONLY)
472The impact of gorse thrips, Sericothrips staphylinus (Thysanoptera: Thripidae), ryegrass competition and simulated grazing on the establishment and growth of gorse seedlings, Ulex europaeus (Fabaceae) (ABSTRACT ONLY)
473Biological control: important tool in integrated weed management (IWM) of pasture weeds (ABSTRACT ONLY)
473Keeping tabs on biological control agents by remote control (ABSTRACT ONLY)
474Biocontrol of Orobanche spp. by inundative releases of Phytomyza orobanchia (Diptera, Agromyzidae) (ABSTRACT ONLY)
474Developing an integrated management program for kudzu (ABSTRACT ONLY)
475Progress on the introduction, rearing and release of the ragwort plume moth, Platyptilia isodactyla, for the biological control of ragwort, Senecio jacobaea, in Australia (ABSTRACT ONLY)
476Herbicide use during Aphthona lacertosa flea beetle establishment expedites control of leafy spurge (ABSTRACT ONLY)
476Rearing, redistribution, and dispersal of three biological-control agents for scentless chamomile (ABSTRACT ONLY)
477Assessment of Dactylaria higginsii as a post-emergence bioherbicide for purple nutsedge (Cyperus rotundus in bell pepper (Capsicum annuum) (ABSTRACT ONLY)
477Synergy of Pyricularia setariae with chemical herbicides for control of green foxtail (ABSTRACT ONLY)
478Evaluation of Dactylaria higginsii as a component in an integrated approach to pest management (ABSTRACT ONLY)
478Oviposition preference of the ragwort flea beetle, Longitarsus flavicornis, in relation to ragwort, Senecio jacobaea, phenology and its implications for biological control (ABSTRACT ONLY)
479Development of Mycoleptodiscus terrestris as a bioherbicide for management of the submersed macrophyte, Hydrilla verticillata (ABSTRACT ONLY)
479TAME Melaleuca: the area wide management evaluation of Melaleuca (ABSTRACT ONLY)
480Determining optimal strategies for the establishment of Pareuchaetes insulata (Lepidoptera: Arctiidae) on Chromolaena odorata (Asteraceae) in South Africa (ABSTRACT ONLY)
480The post-release larval mortality of the Chrysanthemoides leaf roller Tortrix sp. in Australia (ABSTRACT ONLY)
481Integrating biological and conventional control methods for control of Centaurea solstitialis in central California, USA (ABSTRACT ONLY)
481Using Aphthona flea beetles as a biological herbicide to control small patches of leafy spurge (ABSTRACT ONLY)
482Computer-based information systems for accessing information on the management of terrestrial and aquatic invasive plant species (ABSTRACT ONLY)
483Potential for population recovery of an endangered native plant by controlling bridal creeper with rust (ABSTRACT ONLY)
487Evaluating the flow-on effects of the biological control agents for Ageratina riparia (mist flower) on plant succession
493Insect-plant pathogen synergisms for the biological control of rangeland weeds
496Bacterial communities associated with a flea beetle used for the biological control of the perennial weed Euphorbia esula/virgata
500Spatially explicit models for weed-biocontrol agent interactions: scentless chamomile as a case study
505First results for control of saltcedar (Tamarix spp.) in the open field in the western United States
514Overcoming limits on rust epidemics in Australian infestations of European blackberry
520Interactions between gorse seed weevil (Exapion ulicis) and the gorse pod moth (Cydia succedana) explored by insecticide exclusion in Canterbury, New Zealand
523Habitat trade-offs in the summer and winter performance of the planthopper Prokelisia marginata introduced against the intertidal grass Spartina alterniflora in Willapa Bay, Washington
529Hydrillia pakistanae and H. balciunasi, insect biological control agents of hydrilla: boon or bust?
539Development of a supply-demand model to evaluate the biological control of yellow starthistle, Centaurea solstitialis, in California
545The mirid Eccritotarsus catarinensis is an effective agent against water hyacinth in some areas of South Africa
548How important is environment? A national-scale evaluation of a seed-feeding beetle on parkinsonia, a widely distributed woody weed
554Biological control of Carduus thistles in Virginia-a long-term perspective, three decades after the release of two exotic weevils
559Exploring interactions between cultural and biological control techniques: modelling bitou bush (Chrysanthemoides monilifera ssp. Rotundata) and a seed fly (Mesoclanis polana)
567Bugs offer sustainable control of Mimosa invisa and Sida spp. in the Markham Valley, Papua New Guinea
574A decade of biological control of Acacia saligna in South Africa, using the gall rust fungus, Uromycladium tepperianum
576The successful biological control of Azolla filiculoides in South Africa: an economic perspective
584Biotic suppression of invasive weeds in Washington state: a half-century of progress
589Impact of biological control agents on Centaurea diffusa (diffuse knapweed) in central Montana
594Simulated biological control of Hieracium pilosella at two sites in the Mackenzie Basin, New Zealand
599Understanding variability in the effectiveness of a classical biological control agent: the importance of the timing of density dependence in the agent life cycle
604Development of bioherbicides for rice weeds in Vietnam (ABSTRACT ONLY)
604Potential of the petiole-galling weevil, Coelocephalapion camarae, to markedly improve biocontrol of Lantana camara (ABSTRACT ONLY)
605The influence of herbivory by the mirid Eccritotarsus catarinensis, on the competitive ability of water hyacinth (ABSTRACT ONLY)
605What is "success" in biological control? (ABSTRACT ONLY)
606Ecology of Megastigmus aculeatus (Hymenoptera: Torymidae), a seed parasitoid of Rosa multiflora in Iowa, USA (ABSTRACT ONLY)
606Establishment and impact of Falconia intermedia (Hemiptera: Miridae) on Lantana camara (Verbenaceae) in South Africa (ABSTRACT ONLY)
607Phomopsis amaranthicola as a post-emergence bioherbicide in peppers (Capsicum annuum and C. frutescens) and eggplant (Solanum melongena) (ABSTRACT ONLY)
607Spatial distribution and seasonal life history of Aceria malherbae (Acari: Eriophyidae) on Convolvulus arvensis in Montana, USA (ABSTRACT ONLY)
608Paterson's curse crown weevil (Mogulones larvatus) impacts in north-eastern Victoria, Australia (ABSTRACT ONLY)
608The effect of nutrient-rich water on the biological control of water hyacinth (ABSTRACT ONLY)
609Effects of site characteristics on establishment of Larinus minutus (Coleoptera: Curculionidae), a capitulum-infesting weevil of diffuse knapweed, Centaurea diffusa (Asteraceae), in north-central and eastern Washington State, USA (ABSTRACT ONLY)
609Establishment and impact of the lace bug Gargaphia decoris released against the invasive tree Solanum mauritianum in South Africa (ABSTRACT ONLY)
610Impacts on gorse (Ulex europaeus) seed production of two biological control agents, gorse seed weevil (Exapion ulicis) and gorse pod moth (Cydia succedana), in Canterbury, New Zealand (ABSTRACT ONLY)
610Indirect impacts of herbivory by Oxyops vitiosa on the reproductive performance of the invasive tree Melaleuca quinquenervia (ABSTRACT ONLY)
611Biocontrol of hawkweeds in New Zealand, 10 years on (ABSTRACT ONLY)
611Biological control of Salvinia molesta in the United States (ABSTRACT ONLY)
612Release strategies and associated factors affecting the establishment of four rust fungi introduced into Australia between 1991 and 2001 for the biocontrol of Parthenium hysterophorus, Cryptostegia grandiflora and Lantana camara (ABSTRACT ONLY)
613Efficacy and epidemiology of an oil-based formulation of Colletotrichum gloeosporioides used a bioherbicide against Hakea sericea (ABSTRACT ONLY)
617Bioherbicides: the next generation
619Centres of origin: do they exist, can we identify them, does it matter?
621Agents that reduce seed production - essential ingredient or fools folly?
625Synopsis: the long and winding road
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