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Pupa, chrysalis, and cocoon are frequently confused, but are quite distinct from each other. The pupa is the stage between the larva and adult stages. The chrysalis generally refers to a butterfly pupa although the term may be misleading as there are some moths whose pupae resembles a chrysalis, e.g.: the plume winged moths of the family ...
The larvae of many lepidopteran species will either make a spun casing of silk called a cocoon and pupate inside it, or will pupate in a cell under the ground. In many butterflies, the pupa is suspended from a cremaster and is called a chrysalis. The adult body has a hardened exoskeleton, except for the abdomen which is less sclerotised. The ...
A few skipper butterfly larvae also make crude cocoons in which they pupate, exposing the pupa a bit. The Parnassius butterfly larvae make a flimsy cocoon for pupation and they pupate near the ground surface between debris. Pine processionary moth (Thaumetopoea pityocampa) - note the feathered antennae and fat furry body
Lepidoptera (/ ˌ l ɛ p ɪ ˈ d ɒ p t ər ə / LEP-ih-DOP-tər-ə) or lepidopterans is an order of winged insects which includes butterflies and moths.About 180,000 species of the Lepidoptera have been described, representing 10% of the total described species of living organisms, [1] [2] making it the second largest insect order (behind Coleoptera) with 126 families [3] and 46 superfamilies ...
The caterpillar will form a chrysalis that is pointed at both ends and humped in the middle. The chrysalis will be either yellow or green with pink or green stripes. From the chrysalis comes a medium-sized butterfly (55–70 mm (2.2–2.8 in)) with fairly elongated but not angled wings.
Pupation begins when the larva releases silk to form a support structure so that the chrysalis can hang safely. In colder climates, it will spend the winter as a pupa, but in warmer climates, pupation only lasts a few weeks. Prior to emerging as an adult, the wing markings of the butterfly can be seen through the chrysalis. [16]
The chrysalis is fastened to a stem of the host plant by means of a cremaster. A thin girdle of silk keeps the head end of the chrysalis uppermost during pupation. [3] [7] [9] Depending on the season, an imago will emerge from the chrysalis, approximately one to six months later. [1]
The adult moth lays 100 to 150 eggs. The caterpillar has the unique ability to spin a silk cocoon. The pupa is a life stage where some insects undergo transformation between immature and mature stages. [9]