Pegomya hyoscyami, the beet leafminer or spinach leafminer, is a grey fly about 6 millimetres long. It emerges in April–May and lays eggs on the undersides of leaves of beet, spinach, chard, and other
Pesticides are substances that are used to control pests. They include herbicides, insecticides, nematicides, fungicides, and many others. The most common of these are herbicides, which account for ap
A self-propelled crop sprayer spraying pesticide on a field
A crop-duster spraying pesticide on a field
A sign warning about potential pesticide exposure
Preparation for an application of hazardous herbicide in the US