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Hedychrum rutilans : ウィキペディア英語版 | Hedychrum rutilans
''Hedychrum rutilans'' is a species of cuckoo wasp (the family Chrysididae). The species occurs primarily in Austria, Italy, Bulgaria, Greece, France, Poland, Portugal, Spain, Switzerland and in North Africa.〔(Fauna Europaea )〕〔Agnoli, G. L.; Rosa, P. (2011). (Hedychrum rutilans Dahlbom, 1854 - Database of the Italian Chrysididae on Chrysis.net )〕 The head and thorax are metallic green with red spots, while the abdomen is red. The color is more green and partially golden in the male and more extensively golden-red in the female. The body is somewhat hairy.〔 ==Biology== ''Hedychrum rutilans'' is a cleptoparasite and parasitoid of larvae of beewolves (''Philanthus triangulum'' and ''Philanthus coronatus''). The female cuckoo wasp lays its eggs on the paralyzed honeybee workers serving as provisions for the beewolf larvae, placed by the female beewolf in its brood cells. The cuckoo wasp larvae feed on the honeybees and on the larvae of the beewolf.〔(Biologie.uni )〕 Adults grow up to long and can be encountered from late June to September, often feeding on flowers of ''Mentha'' species, ''Achillea millefolium'' and ''Euphorbia paralias'', but also on honeydew or various exudates. They prefer sandy and warm habitats.
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