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By Stephen P. Hopkin

This finished paintings is the 1st single-volume booklet of the twentieth century to check the biology of this significant staff of bugs, together with a whole checklist of Collembola genera including greater than 2,500 references in addition to the discussions of springtail habit, body structure and evolution.

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Sample text

G. Hurlbert’s index L; Hurlbert 1978) for quantifying the potential for IGP in a speciose assemblage of predators because it considers encounters between species on a size-specific basis. This analysis elegantly demonstrates the influence of phenology on the potential for IGP (Wissinger 1992). Species that begin development earlier in a seasonal growth interval than others are more likely to act as intraguild predators in larval odonate communities (Benke et al. 1982; Wissinger 1992) and can sometimes exclude guild members that begin development later (Fincke 1992).

Pachydiplax longipennis, Erythemis simplicicollis, and Perithemis tenera) appear to be particularly effective colonizers of temporary habitats, with some species able to complete larval development in as few as 4 weeks (Corbet 1999). Colonizing temporary habitats may also allow some species to complete more than one generation per year. Some species may be univoltine at northern latitudes and unable to exploit temporary ponds because environmental conditions do not allow larvae to complete larval development, but multivoltine at more southern latitudes where environmental conditions permit them to exploit habitats with limited hydroperiods.

J. (1981) Population structure of the rare damselfly, Ischnura gemina (Kennedy) (Odonata: Coenagrionidae). Oecologia 48, 377–384. W. and González-Soriano, E. (1988) Population dynamics of two sibling species of Neotropical damselflies, Palaemnema desiderata Selys and P. paulitoyaca Calvert (Odonata: Platystictidae). Folia Entomologica Mexicana 76, 5–24. D. D. (1989) Population demography and sex ratio in a Neotropical damselfly (Odonata: Coenagrionidae) in Costa Rica. Journal of Tropical Ecology 5, 159–171.

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