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Danaus eresimus, the soldier or tropical queen, is a North American, Caribbean, and South American butterfly in the family Nymphalidae.
Their flight is slow and they are reasonably easy to approach, but will fly for some distance if approached too closely.[2]
Dorsal view - MHNT
Ventral view, same specimen
The upperside of the wings is dark reddish brown with the forewing sometimes having white submarginal spots.[3] The veins are lightly marked with black. Males have a black scent patch on each of the hindwings. The underside of the wings is also dark brown with a postmedian band made up of squarish spots.[2] The soldier has a wingspan of 2+1⁄2 to 3+1⁄2 inches (64–76 mm).[4] D. e. flexaure, formerly D. flexaure, is a subspecies which has more white markings on the hindwing underside.
Similar species in the soldier's range include the monarch (Danaus plexippus) and the queen (Danaus gilippus).
The monarch is more orange, has heavier black-lined veins, and the underside of the wings is a pale yellowish color.[2][5]
The queen has nearly no black-marked veins, and has white forewing submarginal spots on both surfaces of the wings.[5]
The soldier may be found in a variety of open, subtropical habitats such as citrus groves, weedy water edges where host plants occur, dry fields, etc.[2]
This butterfly may be encountered from February to December in southern Florida (it is most common in October to December), and from August to January in southern Texas.[2][6]
Males patrol for females.[2] The eggs are bright orange. The black larva is banded with white and yellow stripes. It has a subdorsal row of yellowish-tan spots. There are six black, fleshy filaments, the first pair near the head, the second on the thorax, and the third at the end of the abdomen.[6] The chrysalis is very similar to that of the monarch, often indistinguishable. It has three or more broods per year.[5]
Danaus eresimus, the soldier or tropical queen, is a North American, Caribbean, and South American butterfly in the family Nymphalidae.
Their flight is slow and they are reasonably easy to approach, but will fly for some distance if approached too closely.
Dorsal view - MHNT
Ventral view, same specimen
Danaus (Anosia) eresimus est un insecte lépidoptère de la famille des Nymphalidae, de la sous-famille des Danainae, du genre Danaus et du sous-genre Anosia.
Danaus eresimus se nomme Tropical Queen ou Soldier en anglais[2],[3].
Danaus eresimus est un papillon d'une envergure qui varie de 70 à 95 mm, la tête et le thorax sont noir tacheté de blanc et l'abdomen orangé, les ailes antérieures sont à bord externe légèrement concave[4]. Les ailes sont de couleur marron orangé bordées de marron et cette bordure est ornée d'une ligne de points blancs.
Le revers des ailes postérieures est plus marron, les veines teintées de noir, les ailes postérieures sont bordées de deux lignes de points blancs.
Danaus eresimus vole toute l'année en Floride et d'août à décembre dans le sud du Texas[4]. Plus au nord où il est migrateur il n'est présent qu'en juillet-août.
Les plantes hôtes de sa chenille sont de nombreuses Asclepiadaceae, des Asclepias dont Asclepias curassavica, des Calotropis dont Calotropis procera, des Cynanchum dont Cynanchum undatum et Cynanchum unifarium, des Spigelia dont Spigelia anthelmia[2].
Les Asclepiadaceae produisent un latex contenant des substances toxiques qui s'accumulent dans les chenilles ce qui rend la chenille et le futur papillon toxiques pour les prédateurs.
Danaus eresimus est présent dans le sud de l'Amérique du Nord et en Amérique du Sud. Aux USA il est résident dans le sud de la Floride, du Texas et de l'Arizona, et il est migrateur dans le sud de l'Utah, du Colorado et de la Caroline du Nord. Il est résident à Haïti, au Mexique, au Guatemala, au Costa Rica, à Panama, au Venezuela, au Pérou, en Bolivie, au Paraguay, en Uruguay, dans le nord de l'Argentine, au Brésil, au Surinam, en Guyana et en Guyane[2],[4],[5].
Danaus eresimus réside dans les milieux ouverts ensoleillés, les prairies, les bords de routes et dans les forêts tropicales sèches[4].
Pas de statut de protection particulier[4].
Danaus (Anosia) eresimus est un insecte lépidoptère de la famille des Nymphalidae, de la sous-famille des Danainae, du genre Danaus et du sous-genre Anosia.
Danaus eresimus là một loài bướm thuộc chi Danaus, họ Bướm giáp. Loài này sinh sống ở Bắc Mỹ và Nam Mỹ. Chúng bay chậm và dễ bị tiếp cận nhưng chúng sẽ bay một khoảng cách khi bị tiếp cận quá gần.[2]
|coauthors= bị phản đối (trợ giúp)
Bài viết về bướm giáp này vẫn còn sơ khai. Bạn có thể giúp Wikipedia bằng cách mở rộng nội dung để bài được hoàn chỉnh hơn.
Danaus eresimus là một loài bướm thuộc chi Danaus, họ Bướm giáp. Loài này sinh sống ở Bắc Mỹ và Nam Mỹ. Chúng bay chậm và dễ bị tiếp cận nhưng chúng sẽ bay một khoảng cách khi bị tiếp cận quá gần.
