More than 73,000 Megamelus scutellaris (Hemiptera: Delphacidae) were released in Florida over a 2 to 3 yr period at 10 sites in an attempt to establish sustainable populations on waterhyacinth, Eichhornia crassipes Mart. Solms (Commelinales: Pontederiaceae). Insect populations persisted at most sites including those furthest north and consecutive overwintering was confirmed in as many as three times at some sites. Establishment appeared to be promoted at sites with some cover or shading compared to open areas. Insects readily dispersed over short distances which made detection and monitoring difficult.
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1 June 2014
Release and Establishment of Megamelus scutellaris (Hemiptera: Delphacidae) on Waterhyacinth in Florida
Philip W. Tipping,
Alejandro Sosa,
Eileen N. Pokorny,
Jeremiah Foley,
Don C. Schmitz,
Jon S. Lane,
Leroy Rodgers,
Lori Mccloud,
Pam Livingston-Way,
Matthew S. Cole,
Gary Nichols
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Florida Entomologist
Vol. 97 • No. 2
June 2014
Vol. 97 • No. 2
June 2014
chicharrita
delfácido
Eichhornia crassipes
establecimiento
Establishment
invernar
Megamelus scutellaris