Guide to the study of insects and a treatise on those injurious and beneficial to crops, for the use of colleges, farm-schools, and agriculturists . nder towards thetail. While growiug, the color is greenabove, with black dots across each ring, and3ellow beneath, with head and tail live upon the vine and are very destruc-tive, feeding early in August in companies, onFig. 148. ^i^e lower side of the leaf, and eating it all as they go from the edge inwards. There are two broods in aseason. The fly is shining black, with red shoulders, andthe front wings are clouded. (Norton.) S. ruhi.
Guide to the study of insects and a treatise on those injurious and beneficial to crops, for the use of colleges, farm-schools, and agriculturists . nder towards thetail. While growiug, the color is greenabove, with black dots across each ring, and3ellow beneath, with head and tail live upon the vine and are very destruc-tive, feeding early in August in companies, onFig. 148. ^i^e lower side of the leaf, and eating it all as they go from the edge inwards. There are two broods in aseason. The fly is shining black, with red shoulders, andthe front wings are clouded. (Norton.) S. ruhi. Harris feeds on the raspberry, appearing in larva is green, not slimy, and feeds in the night, or earlyin the morning. aS. tilice feeds on the linden. The Pear-slug, Peck (Fig. 148, larvae feeding on a leaf of the pear, andshowing the surface eaten off in patches ; a, enlarged ; 6, fly),is twenty-footed ; it narrows rapidly behind the swollen thorax,and is covered with a sticky olive-colored slime. It feeds onthe upper side of the leaves of both the wild and cultivatedcherry and pear trees, and has been found on the plum and.
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Keywords: ., bookcentury1800, bookdecade1880, bookpublishe, booksubjectinsects
