Differential susceptibility of adults and nymphs of Blattella germanica (L.) (Blattodea: Blattellidae) to infection by Metarhizium anisopliae and assessment of delivery strategies.

@article{Lopes2011DifferentialSO,
  title={Differential susceptibility of adults and nymphs of Blattella germanica (L.) (Blattodea: Blattellidae) to infection by Metarhizium anisopliae and assessment of delivery strategies.},
  author={Rog{\'e}rio Biaggioni Lopes and S{\'e}rgio Batista Alves},
  journal={Neotropical entomology},
  year={2011},
  volume={40 3},
  pages={368-74}
}
Microbial insecticides for cockroach control, such as those containing entomopathogenic fungi, may be an alternative to reduce contamination by chemicals in housing and food storage environments. Virulence of isolate ESALQ1037 belonging to the Metarhizium anisopliae complex against nymphs and adults of Blattella germanica (L.), and its infectivity following exposure of insects to a contaminated surface or to M. anisopliae-bait were determined under laboratory conditions. Estimated LD50 15 d… CONTINUE READING

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All conidia found in the digestive tract of M. anisopliae - bait fed cockroaches were unviable , and bait - treated insects that succumbed to fungal infection showed a typical mycelial growth on mouthparts and front legs , but not on the hind body parts .
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