EXPLANATION OF PLATE III. 



Fig. 1. Aspidiotophagus citrinus. Craw. Enlarged, 



la. Aspidiotophagus citrinus. Natural size. 



2. Aphelinus fuscipennis, Howard. Enlarged. 



2a. Aphelinus fuscipennis. Natural size. 



. 3. Chilocorus bivulnerus; " twice-stabbed ladybird. " Natural size. 



3a. Chilocorus bivulnerus. Larva. Natural size. 



4. San Jose scale (Aspiodiotus perniciosus, Comstock). Natural 



size. On pear twig. 



5. Yellow scale (Aspidiotus citrinus, Coquillett). Natural size. 



On orange leaf. 



6. Rhizobius (toowoombae) lopantha. Natural size. 



