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The technique for breeding pure-line cultures of the blow-fly (Calliphora erythrocephala)
Published online by Cambridge University Press: 06 April 2009
Extract
1. Pure-line breeding of Calliphora erythrocephala is difficult owing to the fact that gravïd females will oviposit at a distance from decomposing meat and the newly hatched larvae will crawl long distances and pass through minute openings to reach the food.
2. A simple and convenient cage for breeding blow-flies is described.
3. To obtain eggs free from contamination meat is plunged in boiling water before being put in the cages; and the vessel in which it is placed is sup ported on a glass cylinder standing in a dish of water.
4. The larvae are fed on horse-meat placed upon sawdust in a large watch-glass resting upon sawdust in a bowl. The bowl rests upon a support surrounded by water.
5. Pupation occurs in the sawdust beneath the watch-glass and puparia are separated from the sawdust by sieving.
6. Pupae are kept in glass dishes with closely fitting covers to prevent parasitism by Hymenoptera.
7. At a temperature of 21° C. the complete life cycle takes about 1 month.
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- Copyright © Cambridge University Press 1948
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