Quality of mosquitoes used during a semi-field experiment to assess the effect of pyriproxyfen on the development of the immature stages of Aedes albopictus, CIRAD La Bretagne Research Station (La Reunion), November 2020 to April 2021. (a) Females (hatch probability and relative hatch risk); (b) sterile males (escape probability and relative risk of escape). The labels on the y-axis of each plot stand for “Replicate x” (x = 1, …, 4).