Medicine - Institutions > Army health reports and medical documents > Scientific memoirs by officers of the Medical and Sanitary Departments of the Government of India > Number 46 - Malaria in the Punjab > Part III - Determining causes of epidemic autumnal malaria
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85
numbers (April to June) the proportion of males also diminished and in June
nearly every anopheles caught was a female.
The following tabulated statement of recorded catches illustrates this
point:—
Anopheles caught in houses on the immediate outskirts of Amritsar. |
Anopheles caught in a zone lying interior to the extreme outskirts. |
||||||||||
MARCH. | |||||||||||
(a) At Hakiman with few or no breeding places in the neighbourhood. |
|||||||||||
N. fuliginosus male | 0 | No anopheles found. | |||||||||
„ female | 11 | ||||||||||
N. stephensi male | 1 | ||||||||||
„ female | 1 | ||||||||||
(b) At Jalewlayan many breeding places. | |||||||||||
N. fuliginosus male | 35 | N. fuliginosus male | 0 | ||||||||
„ female | 44 | „ female | 21 | ||||||||
(c) Houses immediately behind above. | |||||||||||
N. fuliginosus male | 10 | ||||||||||
„ female | 37 | ||||||||||
APRIL. | |||||||||||
Breeding places disappearing. | |||||||||||
N. fuliginosus male | 9 | N. fuliginosus male | 1 | ||||||||
„ female | 38 | „ female | 103 | ||||||||
M. culicifacies male | 3 | M. culicifacies male | 0 | ||||||||
„ female | 15 | „ female | 3 | ||||||||
N. stephensi male | 3 | N. stephensi male | 0 | ||||||||
„ female | 6 | „ female | 4 | ||||||||
C. pulcherrima male | 0 | ||||||||||
„ female | 2 | ||||||||||
JUNE. | |||||||||||
(a) Before extensive breeding places formed by rains. |
|||||||||||
N. fuliginosus male | 0 | N. fuliginosus male | 0 | ||||||||
„ female | 6 | „ female | 1 | ||||||||
M. culicifacies male | 0 | ||||||||||
„ female | 4 | ||||||||||
N. stephensi male | 0 | ||||||||||
„ female | 9 |
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