. Class book of economic entomology, with special reference to the economic insects of the northern United States and Canada. Beneficial insects; Insect pests; Insects; Insects. CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS 369 leaves where new blisters are started. The winter is passed as eggs beneath the bud scales. The adult mite is white, elongate, 4-Iegged, H25 inch long (Fig. 242). Control.—Spray with lime sulphur, wash before leaf buds open. In addition, the following Eriophyids occur in orchards: Epitri- mertis pyri Nal. and Phyllocoptes schlechtendali Nal. on apple and pear, Erioph
. Class book of economic entomology, with special reference to the economic insects of the northern United States and Canada. Beneficial insects; Insect pests; Insects; Insects. CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS 369 leaves where new blisters are started. The winter is passed as eggs beneath the bud scales. The adult mite is white, elongate, 4-Iegged, H25 inch long (Fig. 242). Control.—Spray with lime sulphur, wash before leaf buds open. In addition, the following Eriophyids occur in orchards: Epitri- mertis pyri Nal. and Phyllocoptes schlechtendali Nal. on apple and pear, Eriophyes phloeocoptes Nal. on plum, and Phyllocoptes cornutus Banks on peach. Family Tarsonemid^ Cyclamen Mite {Tarsonemus pallidus).—This mite is reported from many scattered sections as destructive to cyclamens. It destroys the flowers and flower buds, and all stages may be found there. Attacked flowers become distorted, streaked and flaccid and die prematurely. In many cases they die before opening. Infested leaves curl. The adult mite is pale brown, H25 inch long; the eggs are oval and trans- lucent. Control.—Spray plants with nicotin and soap solution when the younge plants are transferred from flats to pots, and every 10 days Fig. Class Diplopoda 243.—a common milliped. {After Folsom.) Millipeds.—Millipeds are often termed "thousand-legs," "galley- worms," or "false ; They sometimes occur in rich garden soils containing much refuse organic matter, and do considerable injury. They attack plants grown from seed, and also gnaw holes in potatoes, strawberries and bulbs (Fig. 243). The eggs are laid in holes in the soil in the spring, and it requires about 2 years for the young forms to reach maturity. They are' night-feeders. The most common injurious forms belong to the Families Julidce and PolydesmidcB. Julus canadensis is dark brown or black above with sides spotted with yellow, and is from i to 2 inches 24. Please
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1919
