 In this area the flies swarm at certain seasons in millions," and become such a pest that the natives are forced to leave their plantations. " The bite of this small fly," adds Dr. Christy, " is a very severe one, and causes a wheal which itches intolerably,...  Reports of the Sleeping Sickness Commission - Page 34by Royal Society (Great Britain). Sleeping Sickness Commission - 1903Full view - About this book
 | Zoology - 1926 - 610 pages
...the natives are forced to leave their plantations. " The bite of this small fly," adds Dr. Christy, " is a very severe one, and causes a wheal which itches...intolerably, and is marked by a large drop of blood." Psychodidae, genus Phlrbotumits (to British residents within the area of distribution of the genus,... | |
 | Sir Thomas Clifford Allbutt - 1907 - 1094 pages
...such a pest that the natives are forced to leave their plantations. Dr. Christy further states that "the bite of this small fly is a very severe one,...intolerably, and is marked by a large drop of blood." Several species of Simulium are found in India, where, under various vernacular names, they are well-known... | |
 | ERNEST EDWARD AUSTEN - 1909 - 484 pages
...particularly dense forest within the ' Jinja fly ' belt, where the flies are particularly numerous, . . . The bite of this small fly is a very severe one, and...of the ' Jinja fly ' each porter stops and breaks off a leafy branch to use as a fly swish ; the whole of them then collect into a bunch, and travel... | |
 | Zoological specimens - 1914 - 30 pages
...the natives are forced to leave their plantations. " The bite of this small fly," adds Dr. Christy, " is a very severe one, and causes a wheal which itches...intolerably, and is marked by a large drop of blood." Psychodidae, genus Phlebotomus (in Malta, the Sudan, India and Ceylon called Sand-flies). In this family... | |
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