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. We surveyed 165 sites to determine the ecological factors influencing the distribution, abundance, and occurrence of polygyny in the red imported fire ant (Solenopsis invicta) in Louisiana. On average, sites had 220 nests/ha, 14% of mounds were polygyne, and 22% of sites had ≥ one polygyne mound. The density of nests and ants per site both increased with the proportion of mounds that were polygyne...
Colonies of velvetbean caterpillar,Anticarsia gemmatalis,collected in Brazil (Dourados, State of Mato Grosso do Sul; and Sertanopolis, State of Parana) and in the United States (Louisiana) were established in the laboratory, in each respective country, with the objective of evaluating the potential of this insect for developing resistance to theA. gemmatalisnuclear polyhedrosis virus (AgMNPV). Larvae...
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