纹皮蝇侵袭，弗里生奶牛
The Frisian cow in this photograph is infested with the warble fly Hypoderma lineatum. Several encysted subcutaneous larvae are evident.
Courtesy of Dr. Rosario Panadero-Fontán.
在这些主题中
The Frisian cow in this photograph is infested with the warble fly Hypoderma lineatum. Several encysted subcutaneous larvae are evident.
Courtesy of Dr. Rosario Panadero-Fontán.
