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Butterfly eggs vary greatly in size and shape between species, but are usually upright and finely sculptured. Some species lay eggs singly, others in batches. Many females produce between one hundred and two hundred eggs. [41] Butterfly eggs are fixed to a leaf with a special glue which hardens rapidly.
If one draws the data-flow diagram for this pair of operations, the (x 0, x 1) to (y 0, y 1) lines cross and resemble the wings of a butterfly, hence the name (see also the illustration at right). A decimation-in-time radix-2 FFT breaks a length-N DFT into two length-N/2 DFTs followed by a combining stage consisting of many butterfly operations.
(state butterfly and mascot) Papilio glaucus: 1989 [3] Alaska: Four-spotted skimmer dragonfly: Libellula quadrimaculata: 1995 [4] Arizona: Two-tailed swallowtail (state butterfly) Papilio multicaudata: 2001 [5] Arkansas: European honey bee (state insect) Apis mellifera: 1973 [6] Diana fritillary butterfly (state butterfly) Speyeria diana: 2007 ...
Butterflies is a series of paintings made by Vincent van Gogh in 1889 and 1890. Van Gogh made at least four paintings of butterflies and one of a moth.The metamorphosis of the caterpillar into a butterfly was symbolic to Van Gogh of men and women's capability for transformation.
The species is also highly prized by collectors, and because of its rarity, this butterfly fetches a very high price on the black market, reportedly US$8,500-10,000 in the United States in 2007. [10] In 2001, renowned Canadian researcher Gilles Deslisle was fined CA$50,000 for illegally importing six specimens of Queen Alexandra's birdwings. [11]
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Zerene cesonia, the southern dogface, is a North and South American butterfly in the family Pieridae, subfamily Coliadinae (until recently the species was sometimes placed in the related genus Colias instead of Zerene).
The monarch butterfly or simply monarch (Danaus plexippus) is a milkweed butterfly (subfamily Danainae) in the family Nymphalidae. [6] Other common names, depending on region, include milkweed , common tiger , wanderer , and black-veined brown . [ 7 ]