Research Article

The Effect of Prey Density on Life Table Parameters of Hippodamia variegata (Coleoptera: Coccinellidae) Fed on Aphis gossypii (Hemiptera: Aphididae) under Laboratory Conditions

Figure 2

Relationship between fecundity of Hippodamia variegata and different densities of third instar nymphs of Aphis gossypii.
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