. Annual report of the Commissioner of Agriculture ... Agriculture -- New York (State). P. J. PARROTT and H. E. HODGKISS. This is, in certain sections of western New York, a troublesome insect to pear growers. While its injurious work has attracted attention for a long time very little has really been known regarding the miscreant itself and only re- cently have its identity and activi- ties as an orchard pest been under- stood. Aside from the results of these studies, experiments conduct- ed by this Station have also demon- strated that the plant-bug is amenable to spraying. DESCRIPTION OF IN
. Annual report of the Commissioner of Agriculture ... Agriculture -- New York (State). P. J. PARROTT and H. E. HODGKISS. This is, in certain sections of western New York, a troublesome insect to pear growers. While its injurious work has attracted attention for a long time very little has really been known regarding the miscreant itself and only re- cently have its identity and activi- ties as an orchard pest been under- stood. Aside from the results of these studies, experiments conduct- ed by this Station have also demon- strated that the plant-bug is amenable to spraying. DESCRIPTION OF INSECT. The adult or parent insect is a plant-bug of the shape indicated in Fig. 33. It is about one- FlG- 33.—False Tarnished Plant- fourth of an inch in length and is darkish brown or yellowish brown in color. The mature insect is very similar in its appearance to the Fig. tarnished plant-bug Lygus pratensis L. which occurs The Egg. on a great many vvilcl and cultivated plants and is well known to many farmers. The close resemblance between the two forms has suggested the name " false tarnished plant-bug " for the species Lygus invitus Say, which attacks pears. The egg is a tiny, pale body which is of a cylindrical form as represented in Fig. 34. The nymphs (Fig. 35) which hatch from the eggs are small creatures which at first are pale in color but become green as they approach maturity. In all stages they have the same general form and differ * Reprint of Circular No. 21, February 10, 1913. [361]. Fig. 3o.—First Stage 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). Dept. of Agriculture; New York State Agricultural Experiment Station; Cornell University. Agricultural Experiment Station. Albany : State of New York, Dept. of Agriculture
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