Bleicher, E. and Parra, J.R.P. 1991. Effect of alternate host and food on the longevity of <i>Trichogramma</i> sp. Pesquisa Agropecuaria Brasileira. 26, 11/12 (Oct. 1991), 1845–1850. DOI:https://doi.org/10.1590/S1678-3921.pab1991.v26.3533.