Tuta absoluta is a major pest attacking tomato crops. This invasive species emerged in Europe (Spain) 2006, and 3 years later it spread to Portugal. In 2009/2010, was recorded for the first time Azores archipelago. Macrolophus pygmaeus predator widely used as biological control agent against leaf miner. study contrasted life-history traits population growth parameters of two feral populations M...

Crosses among the six semispecies of Drosophila paulistorum produce sterile male hybrids. This sterility is caused by an agent which has characteristics of a microorganism. It is pathogenic in a secondary host, the larvae of the Mediterranean meal moth, Ephestia kuehniella, and can be serially passaged in Ephestia, where it is lethal. The agent was passaged back into D. paulistorum, where it in...

Weeds should be controlled with low impact methods and selective agrochemicals that have little or no effect on non-target organisms. This study aimed to evaluate the of herbicide atrazine (triazine class) 10 Trichogrammatidae (Hymenoptera) species. A female species these natural enemies was individually placed in a glass test tube (free-choice test) two paper cards containing 45 Anagasta (Ephe...

While maintained under all combinations of three temperatures and two RH, fifth instar larvae of the Mediterranean flour moth, Ephestia kuehniella were fed wheat treated with spores and crystals of Bacillus thuringiensis var. kurstaki. Larvae that had fed on wheat with the bacterial preparation contained higher concentrations of nodules in their haemocoel than did larvae fed on wheat without ba...