. The pear thrips (Euthrips pyri). Pear thrips. 12 THE PEAR THRIPS. Stems would become dry during the four days of confinement, and almost invariably no young thrips issued. The egg seemed to need the moisture for its preservation and development, and the young thrips must have very tender and pliable tissue in order to be able to emerge. The young insect is almost transparent, and when food is taken in the green (chlorophyll) particles can be seen through the body wall. From the beginning the body growth is very rapid, and a few -^^insects are capable of doing great injury, so voracious are t


. The pear thrips (Euthrips pyri). Pear thrips. 12 THE PEAR THRIPS. Stems would become dry during the four days of confinement, and almost invariably no young thrips issued. The egg seemed to need the moisture for its preservation and development, and the young thrips must have very tender and pliable tissue in order to be able to emerge. The young insect is almost transparent, and when food is taken in the green (chlorophyll) particles can be seen through the body wall. From the beginning the body growth is very rapid, and a few -^^insects are capable of doing great injury, so voracious are they in feeding. Young thrips feed almost entirely on tender foliage and fruit, and their manner of feeding is much the same as that of the adult insect, it. 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 California. State Commission of Horticulture; Moulton, Dudley. Sacramento, W. W. Shannon, supt. state printing


Size: 1470px × 1700px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookcollectionbiod, bookdecade1900, bookyear1905