Authors: REISKIND, MICHAEL H.; GREENE, KRYSTLE L.; LOUNIBOS, L. PHILIP

Source: Ecological Entomology, Volume 34, Number 4, August 2009 , pp. 447-456(10)

Publisher: Wiley-Blackwell

Abstract:

. 

1. Resource diversity can be an important determinant of individual and population performance in insects. Fallen parts of plants form the nutritive base for many aquatic systems, including mosquito habitats, but the effect of plant diversity on mosquito production is poorly understood.

2. To determine the effects of diverse plant inputs on larval mosquitoes, experiments were conducted that examined how leaves of Vitis aestivalis, Quercus virginiana, Psychotria nervosa, and Nephrolepis exaltata affected the container species Aedes triseriatus and Aedes albopictus.

3. The hypothesis that leaf species have different effects on larval survival, growth, population performance, and oviposition choice of the two mosquito species was tested. The hypothesis that larval performance of A. albopictus responds additively to combinations of the four plant species was also tested.

4. Larval survival and growth differed among the four leaf species, and oviposition preference differed among the two leaf species examined. Measurements of population performance demonstrated significant variation between leaf treatments. Larval outcomes for A. albopictus were significantly affected by leaf combination, and the hypothesis of additivity could be rejected.

5. These results indicate that individual leaf species are important in determining the performance of container dwelling mosquitoes, which grow larger and survive better on mixed-species resource than expected, based on an additive model of resource utilisation.

Keywords: Additivity model; Aedes albopictus; Aedes triseriatus; container habitats; Florida; invasive species; optimal oviposition theory

Document Type: Research article

DOI: http://dx.doi.org/10.1111/j.1365-2311.2008.01067.x

Affiliations: 1: Department of Entomology and Nematology, Florida Medical Entomology Laboratory, University of Florida, Vero Beach, Florida, U.S.A.

Publication date: 2009-08-01

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