Abstract
The false wire-worm Eleodes suturalis (Say) was easily colonized and mass produced in the laboratory. The size of the colony was limited only by the number of egg-laying adults and the space devoted to larval rearing. In 10 hours per week a technician can maintain a constant population of 40-50 thousand larvae. Techniques for trapping adults, obtaining eggs in large numbers, rearing larvae, and breaking obligatory larval diapause are described. E. suturalis has considerable potential as a test organism for insecticide screening, as well as in toxicological, physiological, and ecological studies pertaining to subterranean insects.

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