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Syrphus torvus : ウィキペディア英語版 | Syrphus torvus
''Syrphus torvus'' is a common species of hoverfly found in Europe, Asia and North America. The adults feed on pollen and nectar but the larvae feed on aphids. ==Description== ''Syrphus torvus'' is a medium-sized hoverfly that somewhat resembles a wasp, with adults measuring . The head is broad and the large brown compound eyes have hairy surfaces, more obvious in males than females. The eyes are nearly touching in males but are more widely separated in females. The face and short antennae are yellow. The thorax is black, the legs yellow and black, and the single pair of wings is translucent with dark veining. The abdomen is oblong and slightly flattened. It is fringed with short yellow hairs and striped in yellow and black, the first yellow stripe being divided by a central black bar.〔(【引用サイトリンク】title=Hoverflies (Syrphidae) )〕
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「Syrphus torvus」の詳細全文を読む
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