University of Khartoum

Seasonal Variation in Numbers of Eggs Laid Byculex Quinquefasciatus Say (Diptera: Culicidae) at Khartoum

Seasonal Variation in Numbers of Eggs Laid Byculex Quinquefasciatus Say (Diptera: Culicidae) at Khartoum

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Title: Seasonal Variation in Numbers of Eggs Laid Byculex Quinquefasciatus Say (Diptera: Culicidae) at Khartoum
Author: El Rayah, El Amin; Abu Groun, Nawal A.
Abstract: Regular counts of the eggs ofCulex quinquefasciatus Say were recorded during the period April 1979 – March 1981. The results indicate that the lowest numbers of eggs laid were during summer months (May and June) and the highest ones were during winter months (November and January). The decline of numbers during summer was mainly due to small size of adults (0.57 mg, average wt of female). Populations flourished during the rainy season (July – October) and reached their peak in August. Bigger batches of eggs were then obtained. In winter prolongation of larval life gave rise to large-sized adults and hence bigger batches of eggs
URI: http://khartoumspace.uofk.edu/handle/123456789/19463
Date: 2016-02-28


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