Abstract
IN this work the author describes and figures the last immature instar in each of the forty-two species of dragonflies found in Great Britain. Since the whole of the early life of these insects is passed in water, and lasts on an average about two years, it is not surprising that the complete biology of very few of the species has been followed. There is consequently a large field open for the enthusiastic naturalist to explore as regards these insects. In the introduction to this volume the general structural details of the immature stages of dragonflies are explained, and with this information the reader is enabled to pass on to the diagnostic keys to the nymphs or naiads, as they are variously termed, arranged in families, genera, and species. The use of these keys will enable any given example to be traced down, and this preliminary determination can then be confirmed by reference to the detailed specific descriptions given in the general text.
The Aquatic (Naiad) Stage of the British Dragon-flies (Paraneuroptera).
William John Lucas. (Ray Society Volume No. 117, for the Year 1930.) Pp. xii + 132 + 35 plates. (London: Dulau and Co., Ltd., 1930.)25s.
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I, A. The Aquatic (Naiad) Stage of the British Dragon-flies (Paraneuroptera). Nature 127, 160–161 (1931). https://doi.org/10.1038/127160c0
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DOI: https://doi.org/10.1038/127160c0
