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Libellula depressa : ウィキペディア英語版 | Libellula depressa
''Libellula depressa'', the broad-bodied chaser or broad-bodied darter,〔Hart. M., et al, (1978), ''The Naturetrail Omnibus'', London: Usborne Publishing Limited, page 157〕 is one of the most common dragonflies in Europe and central Asia. It is very distinctive with a very broad flattened abdomen, four wing patches and, in the male, the abdomen becomes pruinose blue. == Identification == The male and female have a broad, flattened abdomen which is brown with yellow patches down the sides. In the male the abdomen develops a blue pruinosity that covers the brown colour. Both fore and hind wings have a dark patch at the base. Both the male and female have broad antehumeral stripes. The average wingspan is approximately 70 mm. ''L. depressa'' is very distinctive and should not be confused with any other dragonflies in the region.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Libellula depressa」の詳細全文を読む
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