Pyriproxyfen 0.5% Gr 1. Control insect pests like flies, beetles, midges, ... sites PyriproxyfenActive ingredient: PyriproxyfenOther name: Sumilarv (Sumitomo chemical)Formulation: Pyriproxyfen 0.5% Gr.IUPAC name: 4-phenoxyphenyl (RS)-2-(2-pyridyloxy ... , etc.). Also used for control of whitefly and thrips. Pyriproxyfen 0.5% Gr