. Ecology and control of the principal flies associated with a compost plant. Flies. 68 level of med ium. Fig. 16. Position of temperature probes in house fly rearing containers (distances in cm).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Alvarez, Calvin Gale, 1943-.

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