3.2. Comparison of parasitism on paper bags and jute bags
The emergence of C. cephalonica was significantly suppressed in
the trials with T. evanescens released, both on the jute and paper
surfaces of the bags (Fig. 4a), and on the egg patches placed directly
on the box (Fig. 4b). Natural mortality in the untreated trials ranged
between 8.3 and 12.5%. There was no significant difference in the