Hickel, Eduardo Rodrigues, et al. “Why Do Populations Float Erratically? So Many and so few. And Its Implications for Integrated Pest Management”. Revista De Ciências Agroveterinárias, vol. 6, no. 2, Dec. 2007, pp. 149-61, https://revistas.udesc.br/index.php/agroveterinaria/article/view/5369.