Evaluation and export of Pseudacteon decapitating flies (Phoridae:Diptera) collected in the Jaguariuna area for fire ant biocontrol in the USA.

Fire ant decapitating flies were studied in and around the Embrapa-National Research Center for Environmental Monitoring and Impact Assessment, in Jaguariuna, State of Sao Paulo, Brazil. The objective was to evaluate and select several species for exporting to the United States as biocontrol agents. Eight species were collected during this study (January-June, 1996): Pseudacteon convexicauda, P. curvatus, P. litoralis, P. obtusus, P. pradei, P. solenopsidis, P. tricuspis and P. wasmanni. Seven species (all except P. convexicauda) were reared from eggs to adults. All seven species had the unusual habit of pupating inside the head capsule of their host. No suitable morphological characters were found to discriminate pupae of the different species. Pupae of different sexes were also indistinguishable except that females consistently emerged from larger hosts than males. The males of P. tricuspis readily mated with females while they were ovipositing in fire ant workers, but it was not possible to determine when and were other species of decapitating flies mated. Consequently, it was only possible to develop techniques for rearing P. tricuspis. Two species (P.tricuspis and p. litoralis) were sufficiently abundant to be exported to the USDA-ARS from Brazilian Quarantine Laboratory for specificity testing. After a period in USDA quarantine facilities both species received permission to be released and tested under field conditions in the USA

Sistema agrossilvipastoril para convivência com o semi-arido sergipano.

Publicado também na Revista Brasileira de Agroecologia, v. 4, n. 2, 2009

Gliricídia: formas de plantio e cultivo.

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Implantação e manejo de legumineira com gliricídia (Gliricidia sepium).

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Implantação e manejo de sistema integração lavoura/pecuária/floresta com Gliricidia sepium.

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International information system on biological control.

As for any other science, quick communication is becoming increasingly important for biological control specialists. Exchange of information facilitates adoption and adaptation of developed techniques, and may promote the exchange of valuable live biological material to be used in classical control projects. Quick global exchange of ideas may also have a positive impact on the continuous development of working rules and regulations of international acceptance related to biocontrol. Aninternational information system on biological control that can be accessed through the Internet was stablished in May/94. It is physically based at the Fundacao Tropical de Pesquisas e Tecnologia "Andre Tosello", in Campinas, SP, Brazil, and is managed by a group of biocontro l workers and computers specialists from CNPMA/EMBRAPA and Fundacao "Andre Tosello". The main objective of this system is to facilitate contacts among biocontrol specialists around the world. The system, composed of diferent databases related to biocontrol can be accessed at http://www.bdt.org.br/bdt/biocontrol. This web server also has pointers to other relevant information system related to biocontrol and a read-only searchable version of the discussion list Biocontrol-L. This list now has about 500 subscribers from over 20 countries. New members are welcome to join Biocontrol-L and to participate actively in the discussions raised daily by different participants world-wide