Mosquito collections.

a, the LR line was established from several hundred of field-caught larvae from three natural populations, i.e. Etang Salé, Saint Pierre and Saint Louis.b, LR-TC is Wolbachia-uninfected line generated by antibiotic exposure of specimens from the LR line.c, the LR[wPip(Is)] line combined the Is cytoplasm, including the wPip(Is) strain, and the LR nuclear genome.d, number of field specimens examined for wPip genetic diversity.