Abstract
THE sorghum midge, Contarinia sorghicola (Coq.), is an important pest of grain sorghums in Queensland, where its incidence and intensity of attack vary considerably from season to season and from early to late crops. Activity commences about two weeks after wet weather and high humidity, and crops flowering at the time may suffer severely. In central Queensland, where the rainy season is concentrated in late January and February, the mid-season crops are often damaged whereas those flowering in March and early April escape the pest. Farther south the wet season is not so well defined, although the peak often coincides with late flowering. In these districts the midge is seldom a pest of early and mid-season crops.
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PASSLOW, T. The Sorghum Midge Diapause. Nature 174, 656 (1954). https://doi.org/10.1038/174656b0
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DOI: https://doi.org/10.1038/174656b0
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