Fig. 2

BACI estimates of the average difference in the monthly Gravitrap Aedes albopictus index (GIalbo) between each treatment site to the control sites after the start of male Wolbachia-infected Ae. aegypti releases. Horizontal lines indicate 95% confidence intervals. Intervals above zero indicate significantly higher site-level GIalbo than the control site after the start of releases. Treatment sites: BB – Bukit Batok; CCK – Choa Chu Kang; TP – Tampines; YS – Yishun. Control sites: AMK – Ang Mo Kio; BM – Bukit Merah, BP – Bukit Panjang; HG – Hougang; JW – Jurong West; KL – Kallang; PR – Pasir Ris; QT – Queenstown; SK – Sengkang; TPY – Toa Payoh; WL – Woodlands.