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Biological control ofOpuntia spp. byCactoblastis cactorum in the Leeward Islands (West Indies)
RésuméLes auteurs relatent les circonstances de l'introduction dans les îles Leeward (Antilles), deCactoblastis cactorum (Berg.) (Lepid. Phycitidae) qui eut pour résultat la destruction spectaculaire
IMPROVEMENT OF THE SEX-RATIO OF A PARASITE BY SELECTION
It is a well known fact, noticed by many workers engaged in breeding hymenopterous parasites, that there is a tendency in many bisexual species for the sex-ratio to decrease as the breeding work
Biological control ofCordia curassavica [Boraginaceae] in Malaysia
TLDR
Despite attack by native parasites and predators a rapid build up accompanied by impressive defoliation and seed destruction suggested that biological control will be achieved.
Host Finding and Selection by Spalangia drosophilae Ashm.
Experiments were designed to determine the criteria by which an ovipositing female of Spalangia drosophilae Ashm. is attracted to an environment where suitable hosts may be found, and by which these
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