. Cooperative economic insect report. Beneficial insects; Insect pests. NjTnph Damage to Citrus Spanioza erthreae (Del Guercio) Selected References: Van der Merwe, C. P. 1923. J. Dept. Agr, Africa) 7(2) :135-141. Harris, W. V. 1936. East Afr. Agr. J. Adult and nymph from Harris. Damage photograph from USDA. (Union of South 1(6):498-500. Prepared in Survey and Detection Operations in cooperation with other ARS agencies U. S. Dept, Agr. Coop. Econ. Ins. Rpt. 17(34) :801-802, 1967. Please note that these images are extracted from scanned page images that may have been digitally enhanced for reada
. Cooperative economic insect report. Beneficial insects; Insect pests. NjTnph Damage to Citrus Spanioza erthreae (Del Guercio) Selected References: Van der Merwe, C. P. 1923. J. Dept. Agr, Africa) 7(2) :135-141. Harris, W. V. 1936. East Afr. Agr. J. Adult and nymph from Harris. Damage photograph from USDA. (Union of South 1(6):498-500. Prepared in Survey and Detection Operations in cooperation with other ARS agencies U. S. Dept, Agr. Coop. Econ. Ins. Rpt. 17(34) :801-802, 1967. 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
