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Question abou my painted lady caterpillars?

I am having to raise two painted lady butterflies from the larva stage. They are now caterpillars and I have had them for 11 days. Their birthday however is March 22. I am waiting for them to go into their chrysalis any day now. What are some of the signs that they are about to go into their chrysalis stage?
My question is, “How do I know when my caterpillars about about ready to go into their chrysalis.” I know what a chrysalis is.

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2 Responses to “Question abou my painted lady caterpillars?”

  1. princessbellesa

    A chrysalis or nympha is the pupal stage of butterflies. The term is derived from the metallic gold-colouration found in the pupae of many butterflies referred to by the Greek term ?????? (chrysós) for gold.

    Because chrysalids are often showy and are formed in the open, they are the most familiar examples of pupae. Most chrysalids are attached to a surface by a Velcro-like arrangement of a silken pad spun by the caterpillar and a set of hooks (cremaster) at the tip of the pupal abdomen.

    Like other types of pupae, the chrysalis stage in most butterflies is one in which there is little movement. However, some butterfly pupae are capable of moving the abdominal segments to produce sounds or to scare away potential predators. Within the chrysalis, growth and differentiation occur. The adult butterfly emerges (ecloses) from this and expands its wings by pumping haemolymph into the wing veins.[2] This sudden and rapid change from pupa to imago is called metamorphosis.

    When the butterfly emerges from the chrysalis, usually it will sit on the empty shell in order to expand and dry its wings. However, if the chrysalis was near the ground (such as if it fell off from its silk pad), the butterfly would find another vertical surface to rest upon and dry its wings (such as a wall or fence).

  2. Lea H

    They stop eating and get restless (start moving around to find a good place to pupate). After they find a suitable spot, they can stay still for a while, and then spin the cocoon, inside of which they pupate.

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