Ferreira, Rachel Gonçalves, and Carlos Roberto Sousa-Silva. “<i>Hyadaphis foeniculi< i> On Anise Crop in Pernambuco State”. Pesquisa Agropecuaria Brasileira, vol. 39, no. 12, Dec. 2004, pp. 1265-6, doi:10.1590/S1678-3921.pab2004.v39.6905.