an egg laid by a butterfly
2006-10-04 08:07:06
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answer #1
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answered by Alexxxxxx 2
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Eggs of butterflies and moths. The female butterfly can 'taste' plants by a chemical process and so recognise the species, or groups of species which her young will need to feed on. Some butterflies (termed monophagous) only use a single species of plant for their larvae, while others (oligophagous) will use hostplants of similar species and there are some (polyphagous) which will use hostplants from different genera. Once a suitable site is found egg-laying, oviposition, can take place.
Sometimes eggs are laid singly, at other times they may be in bunches, the Map, Araschnia levana, lays its eggs in vertical columns. All these tactics have their benefits in terms of survival, a parasite may miss one or two eggs in a large group and similarly may miss one or two widely scattered eggs. Usually the eggs are laid on the foodplant, but some species lay nearby. The Silver-washed fritillary, Argynnis paphia, lays its eggs on the trunk of a tree near to a growth of its foodplant, Viola. Butterfly eggs are attacked by various parasitic wasps so as much as possible must be done to safeguard them.
The eggs take a variable amount of time to hatch, indeed some butterflies remain as eggs through the winter, only hatching when the warmth of spring arrives. I guess they are less likely to be eaten when very small and easy to miss. Usually it takes about 10 days for an egg to hatch. There is an easy exit for the tiny first instar caterpillar to escape from the confines of its egg.
A number of young larvae actually eat their egg shell. For some it is the fuel for their journey to find the foodplant and for others it is the only meal they have before the winter, without it they don't survive.
A caterpillar is an eating machine. Its consists of a pair of jaws or mandibles for chewing plant matter followed by a long gut for digestion. It moves using three pairs of true legs (like all insects) and five further pairs of 'prolegs', sucker like structures with hooks on the end for gripping hold of the leaves and stems. Along the side of the larva are small openings, spiracles, nine pairs in all, through which respiration occurs. A modified set of salivary glands, spinnerets, produce silk, which is discussed later on this page. All butterfly larvae are hairy, some quite spectacularly covered with bushes of setae, they may well be off-putting to potential predators.
2006-10-04 23:09:39
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answer #2
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answered by Anonymous
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2016-10-15 12:39:01
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answer #3
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answered by ? 4
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First butterfly egg, then Chrysalis, then Caterpillar, then Butterfly
2006-10-04 08:09:20
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answer #4
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answered by sacharose 3
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from a caterpillar tree??
just kidding. they come from a butterfly
2006-10-04 08:14:27
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answer #5
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answered by sea_sher 5
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it's an ongoing stage of metamorphasis. pupa,larvae then the butterfly. the butterfly mates which the baby becomes a caterpillar.
2006-10-04 08:09:24
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answer #6
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answered by Anonymous
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A butterfly laying eggs.
2006-10-04 08:07:28
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answer #7
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answered by chrstnwrtr 7
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if you dont wear underwear they bore into your ears and hatch out your butt try using a stoopper for the bathtub and stick it up your but to keep the caterpillars from eating your poop
2006-10-04 08:08:12
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answer #8
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answered by Anonymous
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An egg laid by a moth or butterfly.
2006-10-04 08:07:51
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answer #9
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answered by True Blue 4
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from a butterfly who lays an egg.
2006-10-04 08:07:27
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answer #10
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answered by victor y 3
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