se US (TX-LA, FL) (2), native to South America, introduced in FL (1972)(3)
host: Water Hyacinth (Eichhornia crassipes, Pontederiaceae)(3)
Introduced intentionally in 1972 to combat Eichhornia crassipes; native to Argentina and bordering countries
Firehun et al. 2015. Adaptability of two weevils (Neochetina bruchi and Neochetina eichhorniae) with potential to control water hyacinth in the Rift Valley of Ethiopia. Crop Protection 76: 75–82. (Abstract)
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