. The American entomologist. Entomology. 108 THE AMERICAN ENTOMOLOGIST. [Fig. 88.]. Color—Black. It makes its appearance in the winged state in September, and early in the folloTring sum- mer the g-reen and sliining hollow gall, with its skin as thin as that of a capsicum, may be dis- covered almost full gi-own upon cottonwoods, and occasionally upon balsam poplars. At this period there is alwaj's found a single wingless riant-louse inside it, which has by her sole ex- ertions caused the growth of the gall, and which will subsequently give birth inside it to a very large and flourishing family


. The American entomologist. Entomology. 108 THE AMERICAN ENTOMOLOGIST. [Fig. 88.]. Color—Black. It makes its appearance in the winged state in September, and early in the folloTring sum- mer the g-reen and sliining hollow gall, with its skin as thin as that of a capsicum, may be dis- covered almost full gi-own upon cottonwoods, and occasionally upon balsam poplars. At this period there is alwaj's found a single wingless riant-louse inside it, which has by her sole ex- ertions caused the growth of the gall, and which will subsequently give birth inside it to a very large and flourishing family of young Plant- lice, all of which will eventually acquire wings and leave the gall in the ensning September. The Sumac-gall (Ehois, Fitch), Fig. 89.— This tomato-like gall occurs on the leaves both of the Smooth Sumac (BMts glabra) and the Stag- horn Sumac (Bhus typhina), and in the States both of Illinois and New York. Like the preced- ing, its shell or skin is quite thin, and the winged flies are found inside it in prodigious [Fig. 89.]. 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 St. Louis : R. P. Studley & Co.


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Keywords: ., bookcentury1800, bookdecade1860, booksubjectentomology, bookyear1