ZEMA

An image of 6 circles increasing in size, length and proportion of dark to white colouration from left to right, categorised into five numerical categories with the first five circles labelled infertile. The image represents Christopher stages of egg development. Mosquitos whose eggs have fully developed to stage V (normal elongated, boat/sausage-shaped eggs with lateral floats) are classified as ‘fecund’ or ‘fertile’. If eggs have not fully developed and remain in stages I–IV (less elongated, round shape, lacking floats), the mosquito is classified as ‘non-fecund’ or ‘infertile’.
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Machine learning can help in assessing the efficacy of using the insect growth regulator pyriproxyfen on insecticide-treated nets

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Infographic showing a red arrow pointing from left to right with four circles increasing in size from left to right representing four milestones in the process of method development used for producing consensus SOPs for biological durability monitoring of new net types
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Experts publish updated protocols for assessing the durability of ITNs containing second active ingredients to fight insecticide resistance

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December 2021 Convening – Raising the Floor on Nets

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