. The insect book [microform] : a popular account of the bees, wasps, ants, grasshoppers, flies and other North American insects exclusive of the butterflies, moths and beetles, with full life histories, tables and bibliographies. Insectes; Insects. THE FRUIT AND GALL FLIES (Family Trypctidw.) Most of the flics of this family are rath er small, although some are above medium size. They are of very striking appear- ance and interesting habits. They vary from light yellow in color to dark brown or nearly black, and the body is curiously spotted in the lighter specimens. The wings are
. The insect book [microform] : a popular account of the bees, wasps, ants, grasshoppers, flies and other North American insects exclusive of the butterflies, moths and beetles, with full life histories, tables and bibliographies. Insectes; Insects. THE FRUIT AND GALL FLIES (Family Trypctidw.) Most of the flics of this family are rath er small, although some are above medium size. They are of very striking appear- ance and interesting habits. They vary from light yellow in color to dark brown or nearly black, and the body is curiously spotted in the lighter specimens. The wings are . -o beautifully banded and marked. The group is a large one and i^ w !I represented in the United States, many genera and species occurringwithus. The Tryr tjd flies in their e;!rly stages live in fruits or in the stems of plants. producin<j galls. I h e so-'.alled apple maggot of the Northeastern States, an insect which is especially abundant in Maine and New Hampshire, is the larva of Trypcta pomonella. It eals into the pulp of apples, boring tunnels in all directions through the fruit. It i- said especially to attack the earlier ripening apples. When full grown it drops to the ground and transforms within the last larva! skin. The adult insect is a black and white fly with banded wings. One of the large round galls whicn occurs upon the stems of goldenrod is made by one of these flies known as Trypeta There are sometimes two ot these galls on the same stalk, and they are most conspicuous m the winter time when there are no leaves on the plant. If one cuts open one of these galls it is found to be full of a pithy solid â 77. Fig. loi.â signalis. (A/t,-y Mjr!â ^1 fl f. 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 Howard, L. O. (Leland Ossian), 1857-1950. Toronto : W. Br
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsects, bookyear1901
