. Cooperative economic insect report. Beneficial insects; Insect pests. Head of Female Head of Larva Major references: 19(2) :213-381. 2. 1. Nageli, W. 1936. Mitt. Schweiz. Anst. Forstl. Versuchsw. Niklas, 0, F. 1943. Z. Angew. Ent. 30(2) Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Animal and Plant Health Service. Plant Protection and Quarantine Programs; United States. Bureau of Entomology and
. Cooperative economic insect report. Beneficial insects; Insect pests. Head of Female Head of Larva Major references: 19(2) :213-381. 2. 1. Nageli, W. 1936. Mitt. Schweiz. Anst. Forstl. Versuchsw. Niklas, 0, F. 1943. Z. Angew. Ent. 30(2) Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Animal and Plant Health Service. Plant Protection and Quarantine Programs; United States. Bureau of Entomology and Plant Quarantine; United States. Plant Pest Control Division. Hyattsville, MD. [etc. ] Plant Protection and Quarantine Programs Animal and Plant Health Service
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Keywords: ., bookcentury1900, booksubjectbeneficialinsects, booksubjectinsect
