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Table 2. Effect of the parasitoid egg and non-penetrating 1st instar larva on adult whitefly emergence.
Stage* of control or experimental nymphs Number of nymphs used Percent nymphs that reached a given stage at the termination of the experiment
Stage 2 3 6 7 8 9 Emerged
Control 2 50 94 6          
Control 3 106 0 39.62 4.72 0.94 2.83 27.36 24.53
Control 6 93     9.68   7.53 22.58 60.22
Exp. 2 egg 36 97.22 2.78          
Exp. 3 egg 27   62.96 11.11     11.11 14.81
Exp. 6 egg 6     33.33       66.67
Exp. 2 larvae 48 93.75 6.25          
Exp. 3 larvae 24   95.83 4.17        
Exp. 6 larvae 15     80 13.33     6.67
* Stage of control (unparasitized) and experimental (parasitized) whitefly 4th instar nymphs at the time of removal from the leaf. The stage of the parasitoid (either egg or larva) that was present underneath the whitefly nymph is indicated.
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