Sentence Examples


  • Lewisi 'in a' louse (Haematopinus) is, in its main features, similar.
  • The following brief summary of what takes place in the plant-louse of the rose (Aphis rosae), may be regarded as typical of the family, though exceptions occur in other species.
  • Two species of Pediculus are found on the human body, and are known ordinarily as the head-louse (P. capitis) and the body-louse (P. vestimenti); P. capitis is found on the head, especially of children.
  • The name was first given in 1834 to a plant-louse which was observed to "dry up the leaves" of oaks in Provence.
  • The irritation is caused by the rostrum of the insect being inserted into the skin, from which the blood is rapidly pumped up. A third human louse, known as the crab-louse (Phthirius pubis) is found amongst the hairs on other parts of the body, particularly those of the pubic region, but probably never on the head.