. The American entomologist. Entomology. THE AJ^IEEICAN ENTOMOLOGIST. 105 Galls made by Gall-giiats (CWidomyia). Thk Fi\k-( <jxk , {Strohiloides, Osteii Sackcu), Fig-. 8l'.—This p;all grows, often in the most iirol'use abmulance, on the ti|) ol' the twig' of the llcart-Ieaved Willow {Sallxcov- data), siiig'le Ixishes sometimes bearing- over a iiundred galls, but never more than one gall be- ing found upon one twig. The gall-gnat that produces it (Fig. 83) appears in April or early in ' Mav, and tlic gall commences its rowth shortlv afterwards, and is full siz


. The American entomologist. Entomology. THE AJ^IEEICAN ENTOMOLOGIST. 105 Galls made by Gall-giiats (CWidomyia). Thk Fi\k-( <jxk , {Strohiloides, Osteii Sackcu), Fig-. 8l'.—This p;all grows, often in the most iirol'use abmulance, on the ti|) ol' the twig' of the llcart-Ieaved Willow {Sallxcov- data), siiig'le Ixishes sometimes bearing- over a iiundred galls, but never more than one gall be- ing found upon one twig. The gall-gnat that produces it (Fig. 83) appears in April or early in ' Mav, and tlic gall commences its rowth shortlv afterwards, and is full sized by. [t'.g. 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