Due to the low temperature in winter or early spring, spraying omethoate is better than dimethoate when controlling pests such as wheat aphids and red spiders. This is because the poisoning effect of dimethoate on pests is significantly reduced with the decrease of temperature, while the efficacy of omethoate is less affected by temperature, even at lower temperatures (below 15 °C). Normal insecticidal effect. Omethoate and also similar fenvalerate, insecticide toxic effects at a low temperature (15 ℃) but is higher than at a high temperature (25 ℃). Wire Mesh,Steel Grating,Steel Wire Mesh,Wire Mesh Panels Anping Xinlong Wire Mesh Manufacture Co.,Ltd. , https://www.hbzhaoxuan.com