Gwyfyn sy'n perthyn i urdd y Lepidoptera yw brychan sgolpiog tywyll, sy'n enw gwrywaidd; yr enw lluosog ydy brychanau sgolpiog tywyll; yr enw Saesneg yw Dark Umber, a'r enw gwyddonol yw Philereme transversata.[1][2] Gellir dosbarthu'r pryfaid (neu'r Insecta) sy'n perthyn i'r Urdd a elwir yn Lepidoptera yn ddwy ran: y gloynnod byw a'r gwyfynod. Mae'r dosbarthiad hwn yn cynnyws mwy na 180,000 o rywogaethau mewn tua 128 o deuluoedd. Wedi deor o'i ŵy mae'r brychan sgolpiog tywyll yn lindysyn sydd yn bwyta llawer o ddail, ac wedyn mae'n troi i fod yn chwiler. Daw allan o'r chwiler ar ôl rhai wythnosau. Mae pedwar cyfnod yng nghylchred bywyd glöynnod byw a gwyfynod: ŵy, lindysyn, chwiler ac oedolyn.
Gwyfyn sy'n perthyn i urdd y Lepidoptera yw brychan sgolpiog tywyll, sy'n enw gwrywaidd; yr enw lluosog ydy brychanau sgolpiog tywyll; yr enw Saesneg yw Dark Umber, a'r enw gwyddonol yw Philereme transversata. Gellir dosbarthu'r pryfaid (neu'r Insecta) sy'n perthyn i'r Urdd a elwir yn Lepidoptera yn ddwy ran: y gloynnod byw a'r gwyfynod. Mae'r dosbarthiad hwn yn cynnyws mwy na 180,000 o rywogaethau mewn tua 128 o deuluoedd. Wedi deor o'i ŵy mae'r brychan sgolpiog tywyll yn lindysyn sydd yn bwyta llawer o ddail, ac wedyn mae'n troi i fod yn chwiler. Daw allan o'r chwiler ar ôl rhai wythnosau. Mae pedwar cyfnod yng nghylchred bywyd glöynnod byw a gwyfynod: ŵy, lindysyn, chwiler ac oedolyn.
Philereme transversata, the dark umber, is a moth of the family Geometridae. It is found in much of the Palearctic realm.
The wingspan is 29–37 mm. Variable in colour but generally very constant in markings, forewing with all the lines sharply angulated near the costa, the postmedian with an unusually long, double projection at the first radial. The ground-colour is bright ochreous brown or dark brown, the lines darker, the median band sometimes almost dissolved into lines but oftener more or less solid, at times quite blackish. — ab. hastedonensis Lamhill. is a melanotic form in which the brown ground-colour of the type form is in a large measure replaced by blackish. Described from Belgium, but occurs also near London. — japanaria Leech is lighter, with the median area of the forewing not or not appreciably darkened. Oiwake, Japan.[1]
There is one generation per year with adults on wing from the beginning of June to August.
The larvae feed on buckthorn (Rhamnus cathartica). The larvae can be found from the end of April to June. The caterpillar has two forms, one pale green and the other dark brown and cream. It overwinters as an egg.
Philereme transversata, the dark umber, is a moth of the family Geometridae. It is found in much of the Palearctic realm.
The wingspan is 29–37 mm. Variable in colour but generally very constant in markings, forewing with all the lines sharply angulated near the costa, the postmedian with an unusually long, double projection at the first radial. The ground-colour is bright ochreous brown or dark brown, the lines darker, the median band sometimes almost dissolved into lines but oftener more or less solid, at times quite blackish. — ab. hastedonensis Lamhill. is a melanotic form in which the brown ground-colour of the type form is in a large measure replaced by blackish. Described from Belgium, but occurs also near London. — japanaria Leech is lighter, with the median area of the forewing not or not appreciably darkened. Oiwake, Japan.
Figs 3, 3a, 3b, 3c larvae after final moult There is one generation per year with adults on wing from the beginning of June to August.
The larvae feed on buckthorn (Rhamnus cathartica). The larvae can be found from the end of April to June. The caterpillar has two forms, one pale green and the other dark brown and cream. It overwinters as an egg.
De wegedoornspanner (Philereme transversata) is een nachtvlinder uit de familie van de spanners (Geometridae).
De voorvleugellengte bedraagt tussen de 17 en 20 mm. De basiskleur van de voorvleugel is bruin met een zeer brede en zeer donkere bruinzwarte middenband. De buitenranden van de vleugels zijn gekarteld, vooral aan de achtervleugels.
De wegedoornspanner gebruikt wegedoorn als waardplant. De rups is te vinden in eind april tot in juni. De soort overwintert als ei. Er is jaarlijks een generatie die vliegt van begin juni tot in augustus.
De soort komt verspreid over het Palearctisch gebied voor. De wegedoornspanner is in Nederland een zeldzame en in België een schaarse soort.
De wegedoornspanner (Philereme transversata) is een nachtvlinder uit de familie van de spanners (Geometridae).
Philereme transversata là một loài bướm đêm thuộc họ Geometridae. Nó được tìm thấy ở much of miền Cổ bắc.
Sải cánh dài 29–37 mm. Có một lứa một năm con trưởng thành bay từ the beginning of tháng 6 đến tháng 8.
Ấu trùng ăn Rhamnus cathartica.
Phương tiện liên quan tới Philereme transversata tại Wikimedia Commons
Bài viết liên quan đến phân họ bướm đêm Larentiinae này vẫn còn sơ khai. Bạn có thể giúp Wikipedia bằng cách mở rộng nội dung để bài được hoàn chỉnh hơn.
Philereme transversata là một loài bướm đêm thuộc họ Geometridae. Nó được tìm thấy ở much of miền Cổ bắc.
Sải cánh dài 29–37 mm. Có một lứa một năm con trưởng thành bay từ the beginning of tháng 6 đến tháng 8.
