Fig. 4From: Evaluating the attrition, fabric integrity and insecticidal durability of two dual active ingredient nets (Interceptor® G2 and Royal® Guard): methodology for a prospective study embedded in a cluster randomized controlled trial in BeninDevelopmental stages of Anopheline ovaries [31]. Mosquitoes with fully developed stage V ovaries (elongated boat-shaped eggs with lateral floats) are considered fertile while mosquitoes with stage I-IV ovaries containing underdeveloped eggs are considered infertileBack to article page