strict warning: date() [function.date]: It is not safe to rely on the system's timezone settings. Please use the date.timezone setting, the TZ environment variable or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'America/Chicago' for 'CST/-6.0/no DST' instead in /Library/WebServer/Documents/sip/2005/modules/node.module on line 1018.
strict warning: date() [function.date]: It is not safe to rely on the system's timezone settings. Please use the date.timezone setting, the TZ environment variable or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'America/Chicago' for 'CST/-6.0/no DST' instead in /Library/WebServer/Documents/sip/2005/modules/node.module on line 1018.
strict warning: date() [function.date]: It is not safe to rely on the system's timezone settings. Please use the date.timezone setting, the TZ environment variable or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'America/Chicago' for 'CST/-6.0/no DST' instead in /Library/WebServer/Documents/sip/2005/modules/node.module on line 1018.
strict warning: date() [function.date]: It is not safe to rely on the system's timezone settings. Please use the date.timezone setting, the TZ environment variable or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'America/Chicago' for 'CST/-6.0/no DST' instead in /Library/WebServer/Documents/sip/2005/modules/node.module on line 1018.
warning: Cannot modify header information - headers already sent by (output started at /Library/WebServer/Documents/sip/2005/includes/common.inc:348) in /Library/WebServer/Documents/sip/2005/includes/common.inc on line 102.
]> 38th Annual Meeting of the Society for Invertebrate Pathology - Fungus: Systematics and ecology of Entomophthorales http://www.ent.iastate.edu/sip/2005/taxonomy/term/5/0 en Systematics of the arthropod-pathogenic Entomophthorales http://www.ent.iastate.edu/sip/2005/node/377 <p>225 species of arthropod-pathogenic Entomophthorales are described. They are attributed to four families, however, the large majority belongs to the families Entomophthoraceae (196 species including 38 species of <i>Tarichium</i>) and Neozygitaceae (18 species). Morphological studies and a compilation of the literature data led to the description of three subfamilies of the Entomophthoraceae and to the description of a new genus in the family Neozygitaceae. Further, “weak” points in the systematics were localised and research gaps addressed. </p> Wed, 06 Jul 2005 10:58:20 -0500 Ecology of Entomophthorales: A European perspective http://www.ent.iastate.edu/sip/2005/node/262 <p>The European COST Action 842 on Entomophthorales had as one aim to reveal novel information about the ecology of Entomophthorales. This was done by:</p> <p>1) Workshops on practical sampling and diagnosis of Entomophthorales<br /> 2) Workshop discussions on methodologies for prevalence assessment<br /> 3) Initiation of new research programmes<br /> 4) Joint actions between scientists from different countries</p> <p>With respect to 1) collection trips were performed in Switzerland and Poland, for example in the nature reservation of Białowieza with high biodiversity of Entomophthorales. Concerning 2) we tended to develop consensus about terms like ‘prevalence’ and the practical implications of these for studies on Entomophthorales. With respect to 3) new Danish projects on the genetic composition of host and pathogen in an aphid-<i>Pandora neoaphidis</i> system as well as the winter survival of the fungus will be presented. In addition, we will report on a Swiss project on the development of cultivation independent genetic tools for the study of <i>P. neoaphidis</i> in the environment. Finally, the action supported the possibilities for joint projects between European laboratories 4). One example of this is a co-operation between a Swiss and a Danish team to explore PCR techniques for cultivation independent tracking of Entomophthoralean species in soil samples.</p> Wed, 06 Jul 2005 10:58:54 -0500 Ecological studies underpinning the development of conservation biological control with Pandora neoaphidis in UK http://www.ent.iastate.edu/sip/2005/node/171 <p>Reforms to the Common Agricultural Policy in Europe encourage farming practices which protect the environment and maintain biodiversity in agroecosystems. This includes the planting of flower and seed rich field margins supporting insects and birds. With small adjustments these margins could also maintain populations of beneficial organisms such as entomopathogenic fungi, thereby contributing to pest management. We hypothesised that <i>Pandora neoaphidis</i>, a common aphid pathogenic fungus in temperate field crops, could be exploited in this way. Fundamental ecological studies on host range, dispersal and transmission were required to underpin this strategy.</p> Wed, 06 Jul 2005 21:49:01 -0500 Bizarre interactions and endgames: Entomopathogenic fungi and their arthropod hosts http://www.ent.iastate.edu/sip/2005/node/53 <p>Invertebrate pathogens and their hosts are taxonomically diverse. Despite this, there is one unifying concept relevant to all such parasitic associations: both the pathogen and host will adapt to maximize their own reproductive output and ultimate fitness. The strategies adopted by pathogens and hosts to achieve this goal are almost as diverse as the organisms themselves but studies examining such relationships have traditionally concentrated on aspects of host physiology. Here we report on a review of examples of host-altered behavior and consider these within a broader ecological and evolutionary context.</p> Wed, 06 Jul 2005 21:19:28 -0500