Natural history of animals; . length the eggs hatch, and the larvae feed upon the vegetable matter which surrounds galls have only one tenant, others contain many,and usually these Insects undergo all their changeswithin the galls, and, gnawing through the shell, flyaway; but some kinds gnaw through at the end oftheir larva life, and enter the ground to go into thepupa state. The nutgalls used in making ink, in col-oring, and in medicine, are caused by an insect whichpunctures a species of oak common in western Rosebush Gallfly punctures the stems of rose-. HYMENOPTERA: SAWF
Natural history of animals; . length the eggs hatch, and the larvae feed upon the vegetable matter which surrounds galls have only one tenant, others contain many,and usually these Insects undergo all their changeswithin the galls, and, gnawing through the shell, flyaway; but some kinds gnaw through at the end oftheir larva life, and enter the ground to go into thepupa state. The nutgalls used in making ink, in col-oring, and in medicine, are caused by an insect whichpunctures a species of oak common in western Rosebush Gallfly punctures the stems of rose-. HYMENOPTERA: SAWFLIES. 15 I bushes, producing woody galls. One of the largestspecies is the Willow Gallfly ; its galls are found atthe end of basket willow twigs. Boring Sawflies. The Boring Sawflies have a long body; the hindbody is blunt and ends in a horny point. Extendingfrom beneath the hind body is a long, saw-like, and
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1895
