... of most species are comparatively short, and the head is small so that they are often hardly noticeable when the body is distended. The sucking beak which is thrust into the host when the tick is feeding is furnished with many strong recurved teeth which hold on so firmly that when one attempts to pull the tick away the head is often torn from the body and left in the skin. Unless care is taken to remove this, serious sores ... — Insects and Diseases - A Popular Account of the Way in Which Insects may Spread - or Cause some of our Common Diseases • Rennie W. Doane
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