 |
VI International Symposium |
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|
VI International Symposium |
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Chapter One: Biological Control Theory
| * Biocontrol of weeds: bureaucrats, botanists, beekeepers and other
bottlenecks P. Harris |
3 | |
| * Ecological theory and choice of biological control agents J. H. Lawton |
13 | |
| Consequences of species introductions and removals on ecosystem function –
implications for applied ecology H. B. Johnson |
27 | |
| Depression in ragwort (Senecio jacobaea) abundance following introduction of Tyria
jacobaeae and Longitarsus jacobaeae on the centnral coast of Oregon P. B. McEvoy |
57 | |
| The Sillwood International Project on the biological control of weeds V. C. Moran |
65 | |
| The biological control of Cactaceae: success rating and the contribution of individual
agent species V. C. Moran and H. G. Zimmermann |
69 | |
| How many insect species are necessary for successful biocontrol of weeds? J. H. Meyers |
77 | |
| Egg predation by ants as a partial explanation of the difference in performance of Cactoblastis
cactorum on cactus weeds in South Africa and Australia H. G. Robertson |
83 | |
| Plant architecture and how biological control agents affect the dynamics of weeds P. M. Room |
89 | |
| The search for effective biological control agents in Europe. 1. Duffuse and spotted
knapweed D. Schroeder |
103 | |
| Seed dispersal and the spread of weeds A. E. Sorense |
121 | |
| Climatic influences on weeds and their herbivores: biological control of St.
John’s wort in British Columbia K. S. William |
127 |
Chapter Two: Economics of Biological Control of Weeds
| * Factors affecting the economic feasibiltiy of the biological control of
weeds K. Reichelderfer |
135 | |
| Bringing the cost benefit analysis of biological control of Chondrilla
juncea up to date J. M. Cullen |
145 | |
| Field applications of biological control – implementing the research R. B. Hawkes |
153 | |
| Narrow-leaved hawk’s-beard (Crepis tectorum) – its
suitability as a target weed for biological control D. P. Peschken and A. L. Darwent |
159 | |
| Prospects for biological control of velvetleaf (Abutilon theophrasti) N. R. Spencer and T. Sankaran |
167 |
| * Organisms as taxonomists, or the contribution of vascular plant taxonomy
and biosystematics to biological control (Abstract) A. E. Stahevitch |
179 | |
| Ethological and genetic differences among three biotypes of Rhinocyllus conicus
(Coleoptera: Curculionidae) introduced into North America for the biological control of
Asteraceous thistles R. D. Goeden, D. W. Ricker, and B. A. Hawkins |
181 | |
| Rate of change in introduced organisms N. D. Murray |
191 |
| * Conflicting interests and biological control of weeds C. E. Turner |
203 | |
| * Chemical, biological or natural control of Euransian milfoil: a study in
biopolitics L. Edwards |
227 | |
| Interaction of Chrysolina quadrigemina and Hypericum spp. in
California L. A. Andres |
235 | |
| ** Conflict of interest in CIBC biological control of weeds programs F. D. Bennett |
241 | |
| ** Echium plantagineum: catalyst for conflict and change in
Australia J. M. Cullen and E. S. Delfosse |
249 | |
| Echium plantagineum in Australia: effects of a major conflict of
interest E. S. Delfosse |
293 | |
| Conflicts of interest over beneficial and undesirable aspects of mesquite
(Prosopis spp.) in the United States as related to biological control C. J. DeLoach |
301 | |
| Biological control of blackberries: resolving a conflict in Australia R. P. Field and E. Bruzzese |
341 | |
| ** Conflicts in the use of plant pathogens as biocontrol agents for weeds T. E. Freeman and R. Charudattan |
351 | |
| ** Tactics for evading conflicts in the biological control of South African weeds S. Neser and V. C. Moran |
359 | |
| Native plant considerations in the biological control of leafy spurge R. W. Pembertson |
365 | |
| ** Conflicts of interest in biological control of weeds in New Zealand P. Syrett, R. L. Hill, and C. T. Jessep |
391 | |
| ** Conflicts of interest in the use of the grass carp J. C. J. van Zon |
399 |
| *Insects and thistle heads: resource utilization and guild structure H. Zwolfer |
407 | |
| Evaluating Rhinocyllus conicus (Coleoptera: Curculionidae) on Silybum
marianim (Compositae) in Texas P. E. Boldt and C. J. DeLoach |
417 | |
| Biological control of spotted knapweed (Centaurea maculosa) –
host range of Puccinia centaureae (Abstract) M. Clement and A. K. Watson |
423 | |
| Stress inflicted by organisms on Canada thistle S. F. Forsyth and A. K. Watson |
425 | |
| Biological control of musk thistle by Rhinocyllus conicus
(Coleoptera: Curculionidae) in Virginia from 1969 to 1980 L. T. Kok and R. L. Pienkowski |
433 | |
| Period of maximum host stress during development of galls of Urophora
cardui (Diptera: Tephitidae) on Canada thistle (Cirsium arvense) R. G. Lalonde |
439 | |
| Effects of duration of low temperature exposure on post-diapause development of
overwintering Urophora affinis and U. quadrifasciata (Abstract) J. P. McCaffrey, J. B. Johnson, and G. S. Wheeler |
445 | |
| Reaction of safflower cultivars to Puccinia jaceae, a potential biocontrol
agent for diffuse knapweed K. Mortensen |
447 | |
| Density and survival of Urophora stylata (Diptera: Tephritidae) on Cirsium
vulgare (Compositae) in relation to flower head and gall size M. Redfern and R. A. D. Cameron |
453 | |
| Seed loss caused by flower head inhabiting insects of lesser burdock (Arctium minus) N. A. Straw |
479 |
| The potential for biological control of the submersed aquatic weed, Hydrilla
verticillara (Abstract) J. K. Balciunas |
487 | |
| Evaluation of grass carp variants in southern California (Abstract) P. R. Beaty, R. G. Thiery, and N. H. Hagstrom |
489 | |
| Biological control of water hyacinth on the White Nile, Sudan M. O. Beshir and F. D. Bennett |
491 | |
| Flight muscle and egg development in waterhyacinth weevils G. Buckingham and S. Passoa |
497 | |
| Leaf life tables: A viable method for assessing sublethal effects of
herbivory on waterhyacinth shoots T. D. Center |
511 | |
| The impact of Neochetina eichhorniae (Coleoptera: Curculionidae) on
waterhyacinth in Louisiana A.F. Confrancesco, Jr., R. M. Stewart, and D. R. Sanders, Sr. |
525 | |
| The present status of grass carp (Ctenopharyngodon idella) for the
control of aquatic weeds in England and Wales M. C. Fowler |
537 | |
| A summary of research into biological control of salvinia in Australia P. M. Room, D. P.A. Sands, I. W. Forno, M. F. J. Taylor, and M. H. Julien |
543 | |
| Control or no control: a comparison of the feeding strategies of two salcinia weevils D. P. A. Sands and M. Schotz |
551 | |
| Use of the Chinese grass carp, Ctenopharyngodon idella, in the control of the
submerged water needs Potamogeton pectinatus in an inland lake in the Transvaal,
South Africa H. J. Schoonbee, J. Vermaak, and J. H. Swanepoel |
557 | |
| Towards biological control of salvinia in Papua New Guinea P. A. Thomas and P. M. Room |
567 |
| *Host specificity of plant pathogens in biological weed control A. D. Watson |
577 | |
| Damage to Senecio jacobaea by the rust fungus, Pucinia expansa G. Alber, G. Defago, L. Sedlar, and H. Kern |
587 | |
| Biological control of Carduus pycnocephalus with Alternaria sp. G. L. Andersen and S. E. Lindow |
593 | |
| Evaluation of plant pathogens in Europe for the biological control of
introduced weed species in North America (Abstract) G. Defargo, W. L. Bruckart, D. J. Politis, and E. M. Sutker |
603 | |
| Occurrence and identification of some weed diseases and their
consideration for biological weed control M. A. El-Wakil, G. E. Holcolmb, and T. Harger |
613 | |
| Prospects for biological control of Heliotropium europeaum by
fungal pathogens S. Hasan |
617 | |
| Search in Greece and Turkey for Puccinia chondrillina strains
suitable to Australian forms of skeleton weed S. Hasan |
625 | |
| Biocontrol of leafy spurge with pathogenic fungi (Abstract) L. J. Littlefield |
633 | |
| Biological control of Cannabis sativa A. H. McCain and C. Noviello |
635 | |
| A proposal for a standardized scale of attack and its application to
biocontrol agents of weeds in laboratory screening tests K. Mortensen |
643 | |
| Colletotrichem coccodes, a mycoherbicide for velvetleaf (Abstract) C. Poirer, A. R. Gorlieb, A. K. Watson, and L.Wymore |
651 | |
| Host range of the haplontic phase of Uromyces rumicis F. X. Schubiger, G. Defago, L. Sedlar, and H. Kern |
653 | |
| Biological control of hamaku pa-makani with Cercosporella sp. in Hawaii E. E. Trujillo |
661 | |
| The role of disease in removal of weed species from developing forest stands R. E. Wall |
673 | |
| Biological control of milk weed (Euphorbia heterophylla) with pathogenic fungi J. T. Yorinori |
677 |
| Transfer of cinnabar moth, Tyria jacobaeae, in eastern Canada for
control of tansy ragwort, Senecio jacobeae J.F. Alex, J. E. Corrigan, and J. E. Laing |
685 | |
| A survey to evaluate the long-term relationship between Chrysiolina
quadrigemina and its host-weed, St. John’s wort, in southeastern Australia D. T. Briese |
691 | |
| Host-Specificity studies of the Argentine weevil, Heilipodus ventalis,
for the biological control of snakeweeds (Gutierrezia spp.) in the U. S. H. A. Cordo |
709 | |
| Biology and impact of Trichobaris texana (Coleoptera:
Curculionidae) on silverleaf nightshade, Solanum elaeagnifoliumm, in central Texas J.P. Cuda and H. R. Burke |
721 | |
| Re-evaluation of the biological control program for Heliotropium
europaeumi in Australia E. S. Delfosse |
735 | |
| Effects of the gall midge, Zeuxidiplosis giardi Diptera:
Cecidomyiidae), on seedling of St. john’s wort, Hypericum perforatum
(Clusiaceae) A. J. Gordon, R. L. Kluge, and S. Neser |
743 | |
| Suppression of reproduction of woody weeds using insects which destroy
flowers or seeds K. L. S. Harley |
749 | |
| The weed Sesbania punicea (Leguminosae) in South Africa nipped in
the bud by weevil Trichapion lativentre M. S. Harris and J. H. Hoffmann |
757 | |
| The role of insects in the long term control of Opuntia aurantiaca J. R. Hosking |
761 | |
| Biocontrol agents for Partheniom hysterophorus from Mexico A. S. McClay |
771 | |
| Introduction of the gall fly Rhopalomyia californica from the U. S.
A. into Australia for the control of the weed Baccharis halimifolia P. J. McFadyen |
779 | |
| The biological control programme against Parthenium hysterophorus
in Queensland R. E. McFadyen |
789 | |
| A most promising bud-galling wasp, Trichilogaster acaciaelongifoliae
(Pteromalidae), established against Acacia longifolia in South Africa S. Neser |
797 | |
| A seed-feeding insect showing promise in the control of a woody, invasive
plant: the weevil Ertenna consputa on Hakea seicea (Proteaceae) in South
Africa S. Neser and R. L. Kluge |
805 | |
| A new era of biological weed control in the western United States R. M. Nowierski |
811 | |
| Biological control of weeds in Washington: status report G. L. Piper |
817 | |
| The place of biological control of field bindweed in California’s
coastal vineyards (Abstract) S. S. Rosenthal |
827 | |
| Candidates insects for the biological control of Rumex pulcher J.K. Scott |
829 | |
| Status of biological weed control in Montana J. M. Story |
837 | |
| Biological control of Harrisia cactus, Eriocereus martinii, in cerntral
Queensland by the mealy bug, Hypogeococcus festerianus, nine years after release A. J. Tomley and R. E. McFadyen |
843 | |
| The biological control of Acacia nilotica indica in Australia B. W. Willson |
849 | |
| Bruchid seed beetles for control of Parkinsonia aculeata in Australia W. Wood |
855 |
| The entomological role of weeds in agroecosystems: implications in
biological control of weed and insects (Abstract) M. A. Altieri |
865 | |
| Biocontrol of Canada thistle with pathogenic fungi (Abstract) V. Leth |
867 | |
| Native weeds as candidates for biological control research R. W. Pemberton |
869 | |
| List of Participants | 879 | |
| Symposium Photograph | 884 |
| * Invited keynote speaker |
| ** Invited paper |