Blister beetles secrete cantharidin to defend themselves from predators through a process called reactive bleeding. Cantharidin is also released when beetles are crushed. Blister beetles are members of a family of plant-feeding insects (Meloidae) that contain cantharidin, a toxic defensive chemical that protects them from predators. Accidentally crushing a beetle against … [Read more...]
Bot flies annoy cattle, horses, pets and humans
The last days of summer weather often spark more bot fly activity before the first frost wipes out the egg-laying females. Bot flies are chunky, beelike flies usually with rounded heads and rarely seen. Like other true flies, bot flies have only a single pair of wings. There are six important species of bot flies that affect the U.S. livestock industry: Hypoderma bovis, H. … [Read more...]