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| 질의: white perch | 결과: 164번째/186 | |
Sara Longwing Butterfly (Heliconius sara) - Wiki
| 제목: | Sara Longwing Butterfly (Heliconius sara) - Wiki
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| 해상도: 1436x1322
파일크기: 53341 Bytes
촬영일: 2004:04:21 19:40:11
사진기: Canon DIGITAL IXUS 400 (Canon)
F number: f/4.9
Exposure: 1/60 sec
Focal Length: 711/32
등록시간: 2007:04:15 03:50:05
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Sara Longwing
From Wikipedia, the free encyclopedia
[Photo] Photograph by Dirk van der Made (user:DirkvdM http://en.wikipedia.org/wiki/User:DirkvdM). A Sara Longwing butterfly in Panama, near Santa Fe, April 2004
The Sara Longwing (Heliconius sara) is a species of neotropical heliconiid butterfly found from Mexico to the Amazon Basin. It is a colourful species: the dorsal wing surface is black with a large medial patch of metallic blue that is framed by two bands of white on the forewings. (This coloration is similar to that of Wallace's Longwing, H. wallacei, whose range overlaps Sara's, but does not extend as far north.) The ventral wing surface is a dull brown to black with muted bands and small red spots on the proximal margin; total wingspan is 55???60 mm.
Inhabiting rainforests, adults are commonly found among sparser secondary growth and along forest margins. They feed on the nectar of Hamelia, Lantana, Palicourea, and Psiguria plants. They reproduce continuously, with several generations produced every year. Sara Longwings are one of several heliconiids exhibiting the unusual practice of pupal mating, in which adult males are attracted to female pupae via the latter's pheromones. The males compete for prime perch space close to the females' chrysalids, and successful suitors forcibly mate with the females immediately following their emergence. Alternatively, males may also patrol a territory in which they search for females that have already emerged. The adult stage has a lifespan of 2???3 months.
Like other heliconiids, females seek the new growth of passion flower vines on which to lay their small yellow eggs, in clusters of 10???50. The vines contain toxic compounds which the caterpillars are immune to; as they feed upon the vines, the caterpillars concentrate the toxins within their tissues. After pupating (with the chrysalis also found on the host vine and camouflaged like a leaf), the adult retains the toxins and is thus protected from predation.
http://en.wikipedia.org/wiki/Sara_Longwing
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