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Featured Paper
Butterflies in the family Lycaenidae are often the focus of conservation efforts. However, our understanding of lycaenid population dynamics has been limited to relatively few examples of long-term monitoring data that have been reported. Here, factors associated with population regulation are investigated using a complete record of a single population of the silvery blue, Glaucopsyche lygdamus Doubleday (Lepidoptera: Lycaenidae). Adults of G. lygdamus were first observed in an annual grassland near Davis, California, in 1982 and were last seen in 2003. Relationships between inter-annual variation in abundance and climatic variables were examined, accounting for density dependent effects. Significant effects of both negative density dependence and climatic variation were detected, particularly precipitation and temperature during winter months. Variation in precipitation, the strongest predictor of abundance, was associated directly and positively with butterfly abundance in the same year. Winter temperatures had a negative effect in the same year, but had a lagged, positive effect on abundance in the subsequent year. Mechanistic hypotheses are posed that include climatic effects mediated through both larval and adult plant resources.
Recently Published
- Indigenous and invasive fruit fly diversity along an altitudinal
transect in Eastern Central Tanzania
- Biology of Culex sitiens, a predominant mosquito in Phang
Nga, Thailand after a tsunami
- Protective effects of Galla Rhois, the excrescence produced
by the sumac aphid, Schlechtendalia chinensis, on transient
focal cerebral ischemia in the rat
- Biology and external morphology of immature stages of the
butterfly, Diaethria candrena candrena
- Community dynamics of carrion flies and their parasitoids in
experimental carcasses in central Argentina
- Potential of the predatory mite, Amblyseius swirskii to
suppress the broad mite, Polyphagotarsonemus latus on the
gboma eggplant, Solanum macrocarpon
- Oviposition and larval habitat preferences of the saltwater
mosquito, Aedes vigilax, in a subtropical mangrove forest in
Queensland, Australia
- Repellent activity of some essential oils against Simulium
species in India
- Silkworms can be used as an animal model to screen and
evaluate gouty therapeutic drugs
- Nutrigenetic screening strains of the mulberry silkworm,
Bombyx mori, for nutritional efficiency
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About the Journal
The Journal of Insect Science is an international, open access, peer-reviewed journal publishing papers in all aspects of the biology of insects and other arthropods from the molecular to the ecological, and their agricultural and medical impact. Published online by the University of Wisconsin Libraries, it is freely available to individuals and institutions, and provides a viable alternative to excessively priced scientific journals.
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