Migration of Sorghum Midge on the South Plains of Texas Relative to Injurious Infestations12

Abstract
A 2-year study was conducted to relate movement of adult sorghum midge, Contarinia sorghicola (Coquillett), with field infestations. By means of sticky traps and field sampling, midge migration was found to be of little consequence. It, therefore, seems that injurious midge infestations result from sufficient concentration of adults in I field to allow mating shortly after emergence.

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