Blood-feeding insects like ticks, horseflies, and mosquitoes inject multiple bioactive compounds into their prey. Many blood-feeding insects like ticks, horseflies, and mosquitoes inject multiple bioactive compounds into their prey. The gadfly petrels are named for their speedy weaving flight, as if evading gadflies (horseflies). Some cattle ear tags contain chemicals to repel insects, such as buffalo flies, horseflies, etc. Horseflies of this genus are known to be potential vectors of anthrax, worms and trypanosomes. These horseflies preferably live in shaded marshlands and in damp woodlands. Tabanus is a genus of biting horseflies of the family Tabanidae. These horseflies live in various open landscapes, from mountains to peatlands and salt marshes. Philoliche is a genus of long-tongued horseflies found in the Old World. Adersia is a genus of horseflies of the family Tabanidae. Like most other horseflies, its compound eyes are very colorful with stripe-like patterns. The Horseflies saw action until the end of the European war.