. Injurious insects : how to recognize and control them . Insect pests; Insect pests. PLAXT LICE IXJCRIXG THE FOLIAGE 201 If ]ie;is are planted far enough aiiart in rows and the ground is dry, the hee may be brushed from the vines and killed by following with. Fig. -The Pea Aphis, .\diilts at work on A-ine. Original. a eultivator between the rows. If the ground is wet, the hee may he brushed into a long, shallow pan. A httle water should be poured into the pan and covered with a tilm of coal oil. The Bean Aphis {Aphis nimicis Linn.) The tender shoots of beans sometimes are covered with thickly
. Injurious insects : how to recognize and control them . Insect pests; Insect pests. PLAXT LICE IXJCRIXG THE FOLIAGE 201 If ]ie;is are planted far enough aiiart in rows and the ground is dry, the hee may be brushed from the vines and killed by following with. Fig. -The Pea Aphis, .\diilts at work on A-ine. Original. a eultivator between the rows. If the ground is wet, the hee may he brushed into a long, shallow pan. A httle water should be poured into the pan and covered with a tilm of coal oil. The Bean Aphis {Aphis nimicis Linn.) The tender shoots of beans sometimes are covered with thickly clustered plant hee. The same species is found eonuiionly on pig- weed, dock, and other weeds. The aphis is one tenth of an inch long, black, often with a few whitish dots on each side ; the an- tenna? are whitish in theu- central seg- ments. Winter is passed in an egg stage on the twigs of wahoo or of snowball. The lice fu-st migrate to weeds and then to beans. In late to the slu'ubs 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 O'Kane, Walter Collins, b. 1877. New York : The Macmillan Company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsectp, bookyear1912