| 词条 | Treble-bar |
| 释义 |
| name = Treble-bar | image = Aplocera plagiata01.jpg | genus = Aplocera | species = plagiata | authority = (Linnaeus, 1758) }} The treble-bar or St. John's wort inchworm (Aplocera plagiata) is a moth of the family Geometridae. It is found throughout the Palearctic region and the Near East. This species varies considerably in size (wingspan 37–43 mm) and colouration but is generally grey with three characteristic dark fascia across each forewing, giving it its common name. The hindwings are pale grey or buff. One or two broods are produced each year. In the British Isles, the adults can be seen at any time from May to September. The species flies at night and is attracted to light. The larva is also very variable, being green to reddish brown with alternating darker and lighter stripes. It feeds on various species of St John's wort (Hypericum spp.). The species overwinters as a small larva. Subspecies
References
External links{{commonscat|Aplocera plagiata}}
5 : Aplocera|Moths described in 1758|Moths of Europe|Moths of Asia|Taxa named by Carl Linnaeus |
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