Annual report of the Agricultural Experiment Station of the University of Minnesota . /. Pig. 8.—Different stages of the chinch bug (Blissus leucopterus) enlarged andnatural size; (a) egg; (b. c. d, e) young stages; (f) adult. Lugger. 12 INSECTS INJURIOUS IN 1902. a brief description which with the pictures should be sufficient forthose not acquainted with it. The full grown insect is about % of an inch long; black withwhitish wing covers; a prominent black spot marks the outer edgeof each wing cover (a casual observer would call these wings) atabout the center. There is, too, a form with shor
Annual report of the Agricultural Experiment Station of the University of Minnesota . /. Pig. 8.—Different stages of the chinch bug (Blissus leucopterus) enlarged andnatural size; (a) egg; (b. c. d, e) young stages; (f) adult. Lugger. 12 INSECTS INJURIOUS IN 1902. a brief description which with the pictures should be sufficient forthose not acquainted with it. The full grown insect is about % of an inch long; black withwhitish wing covers; a prominent black spot marks the outer edgeof each wing cover (a casual observer would call these wings) atabout the center. There is, too, a form with short wings andindividuals are found between these two extremes, that is withwings of various lengths. The female lays her whitish eggs, oneindividual depositing nearly 500, but not all in one batch, at baseof plant, for the main part on the roots. From two to four weeksare occupied in egg laying. The eggs hatch in about two weeksbut may hatch sooner and may take longer. The young larva isreddish and extremely active. As it grows it becomes darkercolored and more like adult. In about t
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectagriculture, bookyear
