PMID: 11931252Apr 5, 2002Paper

Density-dependent development of Anopheles gambiae (Diptera: Culicidae) larvae in artificial habitats

Journal of Medical Entomology
John E GimnigEdward D Walker

Abstract

The growth and development of Anopheles gambiae Giles larvae were studied in artificial habitats in western Kenya. Larvae responded to increasing densities by extending their development time and by emerging as smaller adults, although survival was not significantly affected. Addition of nutrients in the form of cow dung collected near the study site had no impact on larval growth and development. Regression analysis showed that female development time increased by 0.020 d and female dry mass decreased by 0.74 microg with each additional larva. By fitting the data to the pupation window model, the estimated minimum dry mass to achieve pupation was 0.130 mg and the estimated minimum time to pupation was 5 d. The most likely food source for An. gambiae larvae was algal growth, which was significantly reduced by the presence of larvae. Bacterial densities were not significantly affected by the presence of larvae although total bacteria counts were lower at the higher densities indicating they may provide a secondary food source when algal resources are depleted. Similarly, the levels of nitrogen and phosphorus in the habitats were not significantly affected by the presence of larvae although there was evidence of decreasing nitrog...Continue Reading

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Citations

Oct 24, 2008·Journal of Chemical Ecology·Leunita A SumbaAhmed Hassanali
May 17, 2006·Trends in Ecology & Evolution·Heather M FergusonBart G J Knols
Feb 10, 2009·Transactions of the Royal Society of Tropical Medicine and Hygiene·Weidong Gu, Robert J Novak
Sep 4, 2010·Transactions of the Royal Society of Tropical Medicine and Hygiene·Laith Yakob, Guiyun Yan
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Dec 29, 2012·PLoS Genetics·Giridhar AthreyMichel A Slotman
Nov 8, 2007·PloS One·Krijn P PaaijmansWillem Takken
Mar 7, 2009·Ecological Applications : a Publication of the Ecological Society of America·Guo-Jing YangCorey J A Bradshaw
Aug 5, 2010·The American Journal of Tropical Medicine and Hygiene·Nakul ChitnisRichard Steketee
Feb 14, 2014·Journal of the Royal Society, Interface·Nina Alphey, Michael B Bonsall
Apr 4, 2014·Journal of Invertebrate Pathology·Chantal B F VogelsConstantianus J M Koenraadt
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Jun 6, 2014·Die Naturwissenschaften·Simona Kralj-FišerMatjaž Kuntner
Nov 7, 2014·Malaria Journal·S M Niaz ArifinFrank H Collins

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