That is, Vectolex introduces a live bacterium into the mosquito breeding site, and this bacterium can recycle and maintain itself in the field.
(Vectolex; introduces; a live bacterium; into the mosquito breeding site) (this bacterium; can recycle; ) (this bacterium; maintain; itself; L:in the field)
Vectolex this bacterium this bacterium
introduces can recycle maintain
a live bacterium into the mosquito breeding site
itself L:in the field