. Annual report of the Fruit Growers' Association of Ontario, 1902 . stigma). d. Large buzzing beetle. June Bug (Lachnosterna fusca). 1 19Q2 ENTOMOLOGICAL SOCIETY. Ill e. Large apple-green caterpillar, with a tail horn, and with seven broad, obliquewhite stripes along each side. Plum Tree Sphinx (Sphinx drupiferarum). , Other larvae are occasionally found feeding on the leaves of plum :The Viceroy (Limenitis disippus), tigs. 91 and 92, Polyphemus and Cecropia. D. Attacking the Fruit : 1. Puncturing and making a crescent shaped slit in the skin of the young fruit, which soon drops. Plum Curculi
. Annual report of the Fruit Growers' Association of Ontario, 1902 . stigma). d. Large buzzing beetle. June Bug (Lachnosterna fusca). 1 19Q2 ENTOMOLOGICAL SOCIETY. Ill e. Large apple-green caterpillar, with a tail horn, and with seven broad, obliquewhite stripes along each side. Plum Tree Sphinx (Sphinx drupiferarum). , Other larvae are occasionally found feeding on the leaves of plum :The Viceroy (Limenitis disippus), tigs. 91 and 92, Polyphemus and Cecropia. D. Attacking the Fruit : 1. Puncturing and making a crescent shaped slit in the skin of the young fruit, which soon drops. Plum Curculio (Conotrachelus nenuphar) figs. 93 and 94. 2. Making a round hole in the young fruit. Plum Gouger (Coccotorus scutellaris) Fig. 95, 3. Eating holes in the ripe fruit. Bumble Flower Beetle (Euphoria inda). 4. Eating holes in the half ripe fruit. Hose Chafer (Macrodactylus subspinosus), Fig 96. Key to Pear Attacking the Root : 1. Laige yellowish-white borer, with a brown head, boring holes in the roots. Broad necked Prionus (Prionus laticollis), Fig. Fig 97 Prionus laticollis grub B. Attacking the Trunk, Branches, and Twigs : 1. The following insects which attack apple (which see) also attack pear. Roimd Headed Apple-Tree Borer (Saperda Candida).Flat Headed Apple-Tree Borer (Chrysobothris femorata).Oyster Shell Bark-Louse (Mytilaspis pomorum).Scurfy Bark-Louse (Chionaspis furfurus).San Jose Scale (Aspidiotus perniciosus). 2. Large soft whitish larvae boring deeply into the wood. Pigeon Tremex (Tremex columba). 3. In the Spring (May) much honey dew at axils of leaves on smaller twigs, and small yellow jumphig insects in the sap, foliage Psylla (Psylla pyricola). 4. Perforations at the base of some buds ; twigs blighted and leaves withered about mid- summer. Pear-Blight Beetle (Xyleborus pyri). C. Attacking the Buds : 1. The following insects which attack the buds of the apple (which see) also attack thoseof pear. Oblique Banded Leaf-Roller (Cac
Size: 2891px × 864px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectfruitculture, bookyea
