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In the case of the moth butterfly (Liphyra brassolis), the caterpillars are unwelcome guests in nests of tree ants, feeding on ant larvae. The adults emerging from pupae are covered with soft, loose adhesive scales which rub off and stick on the ants as they make their way out of the nest after hatching. [49]
After laying her eggs, the female curls around them. The incubation period is divided into three phases. In the first phase, the embryo has no functional organs and relies on the yolk sac for sustenance. The yolk is absorbed by the developing young. [12] During the second phase, the digits develop. In the last phase, the egg tooth appears. [13]
Very precocial birds can be ready to leave the nest in a short period of time following hatching (e.g. 24 hours). Many precocial chicks are not independent in thermoregulation (the ability to regulate their body temperatures), and they depend on the attending parent(s) to brood them with body heat for a short time.
These larval instars take place from August to June. By June, the larvae should be fully grown, and at this point the caterpillar spends most of its time basking in the sun on the bare ground or rocks. [2] The larvae are attracted to muddy puddles and sap from tree trunks. [1] When the time comes to pupate, the caterpillar spins a cocoon in the ...
Nymphalis antiopa, known as the mourning cloak in North America and the Camberwell beauty in Britain, is a large butterfly native to Eurasia and North America. The immature form of this species is sometimes known as the spiny elm caterpillar. [2]
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Dryas iulia (often incorrectly spelled julia), [3] commonly called the Julia butterfly, Julia heliconian, the flame, or flambeau, is a species of brush-footed (or nymphalid) butterfly. The sole representative of its genus Dryas , [ 4 ] it is native from Brazil to southern Texas and Florida , and in summer can sometimes be found as far north as ...
A Senegal parrot chick at about 2 weeks after hatching. The egg tooth is near the tip of its beak on the upper mandible. Borneo short-tailed python (Python breitensteini) hatchling with egg tooth visible A painted turtle hatchling with an egg tooth. An egg tooth is a temporary, sharp projection present on the bill or snout of an oviparous ...