. Elementary entomology . Fig. 373. Bots in stomach of a horse ; some removed to show point of attachment (After Osbom, United States Department of Agriculture) to their habits. All are alike in having three-segmented antennas bearing a strong bristle near the base, the modifications of which aid in distinguishing the groups. The larv^ are typical white or light- colored maggots livingwithin their food, and the pu- paria are usually formed on or in the soil. The discovery in recent years that the common house-fly and also many of its near relatives are re- sponsible for the spread of typhoid f
. Elementary entomology . Fig. 373. Bots in stomach of a horse ; some removed to show point of attachment (After Osbom, United States Department of Agriculture) to their habits. All are alike in having three-segmented antennas bearing a strong bristle near the base, the modifications of which aid in distinguishing the groups. The larv^ are typical white or light- colored maggots livingwithin their food, and the pu- paria are usually formed on or in the soil. The discovery in recent years that the common house-fly and also many of its near relatives are re- sponsible for the spread of typhoid fever, intestinal diseases of in- fants, and possibly other infectious diseases has given new interest to the study of the common flies heretofore considered mere
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Keywords: ., bookcentury1900, bookdecade1, booksubjectentomology, bookyear1912
