Histology and ultrastructure of Aedes albopictus larval midgut infected with Bacillus thuringiensis var. israelensis.

Histological and ultrastrucutural alterations in the midgut of Aedes albopictus larvae infected with Bacillus thuringiensis var. israelensis (Bti) were observed by light and transmission electron microscopy (TEM). Two formulations of Bti were used: granulated and powder, with 0.

[Diversity of oviposition containers and buildings where Aedes albopictus and Aedes aegypti can be found].

Objective: To assess the diversity of oviposition containers and buildings where females of Aedes albopictus and Aedes aegypti can be found.

Methods: A study was carried out in the city of Rio de Janeiro, Southern Brazil, between 2002 and 2003. Larvae in different types of buildings were investigated, and immature forms found were then sent to the laboratory for identification.