horn fly造句

• Horn flies will also move around to different areas on the same animal to regulate their temperature and minimize their exposure to the wind.
• Another factor is that workers are indiscriminate and kill beneficial insects such as predators that eat horn flies and other pests in pastures and predators of aphids and scale insects.
• Here, dung beetles, particularly the species " Onthophagus gazella ", had already been successfully introduced from Africa in order to help biologically control the numbers of horn fly.
• ;Fly control : Introducing dung beetles as a means to control fly populations was first utilised in Hawaii as a biological control against the horn fly ( " Haematobia irritans irritans " ).