The economic losses due to hypodermosis are of much importance. Warble fly causes loss in price of warble infested hides as compared to warble free hides. Hypodermosis is also a cause of retarded growth and loss of weight in young as well as in adult animals.Migration of larvae under the skin of infested animals is cause of destroying the meat in the tracks of Hypoderma larvae. Milk production may also be reduced due to this disease. This book can lead the readers to know well about hypodermosis and efficacy of different drugs against this infestation