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===Life Cycle===
: The life cycle of C. loewi is very similar to the general Calliphoridae life cycle except for a few slight differences. The eggs of the genus Calliphoridae are white, slightly curved, cylinder shaped and have blunt ends. The adults will lay their eggs on cuitable habitats, usually carrion. A hatching strip is located on the dorsal area of the concave side. Larvae will hatch within 6-48 hours after eggs have been layed.The typical larvae have larger antennae and smaller maxillary palps. They also have a third pair of palps used as a sensory organ near the oral cavity. Blowfly larvae feed using their mouth hooks and rapidly increase in size. They shed their skins three times during their life cycle. Each stage in between shedding is called an instar, and the time it takes to moult into the next instar is fairly consistent; however, temperature can be a factor. Colder weather will slow down the amount of time it takes for each developmental stage, and warmer weather will speed it up. The life cycle from egg to adult can be anywhere from 16-35 days, depending on environmental conditions.
:The three instars of the maggots have different characteristics. The first instar of C. loewi is less than 2 mm long and is a twelve segment skeleton with mouthparts present. The second instar is a skeleton with a narrow lateral plate and a thicker mouth-hook tooth. The second instar also has anterior spiracles and bands. The spiracles have 5-6 lobes, and the bands are located on segments two though eight. There are also spines present on the dorsal side in this instar. There are 2 posterior spiracle slits in the second instar. During the third instar, the mouthparts are fully developed. The mouth-hook tooth becomes longer, and the larva grows a comma-shaped tail. There are three posterior spiracles in the third instar. When the third-instar larva has finished growing (12-18 mm), it leaves the corpse and burrows into the ground where it develops into a hardened, capsule-like pupa.
:The brown/black pupa retains a maggot like appearance with outlines of its spiracles and skin, except now it is sclerotized. While encased as a pupa, it is unable to feed and is immobile. It takes around 14 days (at a temperature of 70 degrees Fahrenheit) before the pupa emerges as an adult fly. The newly adult fly is pale in color with a soft body and wings. As it matures, the fly expands its wings, and the body hardens and changes color. It was approximately 6-14 mm in length. The fly then mates and will travel several miles to lay its eggs, and the cycle repeats.

Revision as of 21:30, 10 March 2009

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