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P F MATTINGLY

Publications and source records attributed to P F MATTINGLY.

17 recordsLinked to original sources
PubMed1962

Population increases in Culex pipiens fatigans Wiedemann. A review of present knowledge.

The author reviews the growing body of evidence that urban populations of Culex pipiens fatigans have increased extensively during recent years in both Africa and Asia. Two main factors seem to be responsible-the spread of urbanization, providing favourable habitats for this essentially urban mosquito; and the increasing use of residual insecticides, leading to disregard of conventional sanitary measures and a consequent proliferation of suitable culicine breeding-places. In addition, it is possible that the use of insecticides may be bringing about a selective destruction of less resistant competitors of C. fatigans.Present knowledge of this species is too exiguous to allow of a full understanding of the reasons for its increase, to assess its significance in relation to disease transmission, or definitively to adopt economical and practicable control methods. However, a number of possible lines of approach to this problem are suggested.

Africa↗
PubMed1962

Some considerations relating to the role of Culex pipiens fatigans Wiedemann in the transmission of human filariasis.

This paper is concerned mainly with the relationship between microfilarial periodicity and vector periodicity. The so-called "non-periodic" Pacific form of Wuchereria bancrofti in fact shows a well-marked and relatively constant periodicity. The amplitude of this periodicity is low, which may account for the difficulty of detecting it in small clinical samples. The periodicity is well adapted to the biting cycle of Aëdes polynesiensis, though less so than that of the "semi-periodic" Brugia malayi to forest Mansonioides. Microfilarial periodicity is discussed in the light of recent work on circadian rhythms in other animals and it is suggested that certain possibilities have been given insufficient weight. The use of the term "migration" to describe microfilarial translocation within the host may have given rise to misunderstanding but it is in good agreement with current concepts of migration. Recent work suggests some behavioural heterogeneity in Culex fatigans which could render it a useful mosquito for elucidating certain important but little-understood problems.

Aedes↗