n African Entomology - Diptera breeding in poultry manure and the abiotic factors affecting their numbers

Volume 13, Issue 2
  • ISSN : 1021-3589



L., (L.) and sp. larvae were of the most common dipterans in poultry manure in the Western Cape Province, South Africa. The first and second instar larvae of and were numerous in the first three weeks post-cleanout. The peak numbers of these instars occurred in summer and winter, respectively. The highest numbers of larvae of and sp. were found at 65-80%, 70-80% and 75-80% manure moisture levels, respectively. Fly numbers would therefore be reduced if manure moisture content could be maintained above or below these levels. The majority of and sp. first and second instar larvae were recovered where manure temperatures were 20-26°C, 18-22°C and 14-18°C, respectively.

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