I do have texts in Portuguese, but would like to refer to an English text in an upcoming paper. Could not find any paper with a google search. Found methods using other hosts, but not D. saccharalis
Unfortunately, the information is lacking, since for many decades many sugarcane companies have used this parasitoid and have different breeding techniques which they keep jealously.
Conference Paper Características biológicas de Cotesia flavipes (Camerom, 189...
Dear Dalmert, thanks for your reaction. One of the responses resulted in finding some information, but like you said, the companies did not publish details about mass rearing. Still, I now know that most companies are using the "hand-sting" technique to obtain parasitized D. saccharalis caterpillars ...
In my country they are raised for the control of Diatraea Cotesia flavipes and Billaea claripalpis, the latter accepts as an alternative host to Galleria mellonella.