Flies Show Horse Color Preferences

by: Stacey Oke, DVM, MSc
In the world of blood-sucking tabanid flies, a white horse is not nearly as attractive as a brown or black horse, noted a group of researchers. Based on field experiments and a small number of choice experiments, the researchers found that white horses were less attractive to blood-sucking tabanid flies (including horseflies and deerflies) partly because of the polarization of light. ...