. Annual report of the Regents. New York State Museum; Science. Pig. 82 Pimplaconquisitor:a larva; b head of same; c pupa; d adult female, ail enlarged (after Howard, U. S. dep't agr., div. ent., tech. ser., no. 5) 91 Red tailed Tachina fly (W inthemia 4-pustulata). A most valuable parasite of the army worm, tent-caterpillar and several other pests. This fly has been observed in considerable numbers in fields badly infested with army worms, and is doubt- less a most efficient parasite in keeping this pest under control. FORMULAS Internal poisons like paris green are used only against insects w
. Annual report of the Regents. New York State Museum; Science. Pig. 82 Pimplaconquisitor:a larva; b head of same; c pupa; d adult female, ail enlarged (after Howard, U. S. dep't agr., div. ent., tech. ser., no. 5) 91 Red tailed Tachina fly (W inthemia 4-pustulata). A most valuable parasite of the army worm, tent-caterpillar and several other pests. This fly has been observed in considerable numbers in fields badly infested with army worms, and is doubt- less a most efficient parasite in keeping this pest under control. FORMULAS Internal poisons like paris green are used only against insects which devour their food. Place where they must be eaten if the plant is attacked and on nothing soon to be used for human food. Much depends on the thoroughness with which the application is made. Paris green 1 pound, lime 1 pound, water 100 to 300 gallons, or dry 1 pound to 75 of plaster or flour. London purple and paragrene may be used in the same Fig. 83 Red tailed Tachina fly: larva, fly and puparium; also Its eggs placed on the fore part of an army worm. 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 New York State Museum; University of the State of New York. Board of Regents. Albany : J. B. Lyon, State Printer
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Keywords: ., bookauthorne, bookcentury1800, bookdecade1880, booksubjectscience
