PROC. ENT. SOC. WASH., VOL. 20, NO. 5, MAY, 1918 101 



of army animals. Horse bots are reported as especially bad as 

 the horses cannot receive the treatment under battle conditions 

 which would ordinarily be given them. 



Insects threaten food producing animals 



In time of war when meat is of so much value it becomes more 

 than even necessary to prevent insect ravages upon meat producing 

 animals. The cattle tick, which has done so much to hold down 

 southern agriculture by making cattle raising almost prohibitive, 

 must be fought this year with greater vigor. It is more necessary 

 than ever to teach the people how to control screw worms, horn 

 flies, ticks, mites, lice, blow Hies, horse flies, bots and warbles. 

 The field of the veterinary entomologist is looming big. 



THE SANITARY PHASE OF THE QUESTION 



The final phase of our subject is the preventive. If we would 

 save the lives of the nation, and especially of our fighting men from 

 the ravages of disease we must take preventive measures. Of 

 course it is taken for granted that general sanitation against all 

 diseases is greater than the sanitation against any particular group 

 of diseases. Nevertheless the measures taken against insects 

 by an army camp embrace a great part of the sanitary measures 

 pursued. 



Army sanitation is largely entomological sanitation 



Outside of the water purification and the bactericidal fumiga- 

 tion of buildings few of the larger undertakings of the sanitarian 

 can be excluded from entomological sanitation, although perhaps 

 in some cases the sanitarian may have aimed his measures at 

 something clse^ For instance all control of waste disposal around 

 a camp is aimed .primarily or secondarily at prevention of insect 

 breeding and subsequent contamination of food and person. 

 The drainage operations have as their basic purpose the preven- 

 tion of breeding by water or moisture loving disease carriers. 

 A large part of the sanitarian's task is often the fumigation of the 

 buildings and the cleansing of the men from infestations of lice and 

 mites. 



On the battle field the bodies must be removed to pi-event insect 

 multiplication and spread of disease. In other words proper 

 army sanitation must necessarily be arranged with a thorough 

 understanding of the entomological problems involved. 



Disease? prevention is often reduced to t'nxcrt < I c^t ruction 



The prevention of disease in the camps is often reduced to insect 

 destruction, depending of course upon what diseases are to be 

 guarded against. With two other leading sanitary principles, 



