MAINE AGRICULTURAL EXPERIMENT STATION. \J 



Reddish plantlice in colonies causing leaf curl. 



Rosy apple-aphid. Page 20. 

 b. Insects feeding freely upon the leaves without a nest and not con- 

 cealed within leaf or bud. 

 A "measuring worm" yellowish white beneath, broad lemon 

 yellow stripe along the side, back with narrow crinkly 

 black lines. Lime-tree span-worm. Page 22. 



A "measuring worm" or looping caterpillar, when grown 

 about 1 inch long; olive green when young, becoming yel- 

 lowish or brownish when grown ; with brownish longitudi- 

 nal stripes and white band on sides; under side pale or 

 flesh colored, (figs. 5, 6). 



I. With 2 pairs of legs at rear of body. 



Spring canker worm. Page 22. 

 II. With 3 pairs of legs at rear of body. 



Fall canker worm. Page 23. 



Very large hairless green caterpillar, 4 inches long when 



grown ; body with several red, yellow and blue bead-like 



tubercles, (fig. 7). Cecropia caterpillar. Page 25. 



A large black and yellow longitudinally striped caterpillar 



with yellow neck; very sparsely covered with long soft 



hairs, (fig. 9). Yellow-necked caterpillar. Page 26. 



A caterpillar with black, white and yellow ' longitudinal 



stripes ; head and fourth body segment bright red, with 



a number of stiff, blunt black spines, (fig. 10). 



Red-humped caterpillar. Page 27. 

 A smooth mottled caterpillar ; grayish brown above, gray- 

 green beneath with yellow head. (fig. 55). 



Mottled fruit caterpillar. Page 28. 



Smooth light yellowish or apple green caterpillars with 



cream-colored stripe down middle of back and along each 



side. . Green fruit-worms. Page 29. 



Smooth greenish caterpillar 1V2. inches long when grown, 



with various colored blotches and marks on the back. 



(fig. 11). Saddled prominent. Page 30. 



Very small smooth greenish yellow caterpillars (V2 inch or 



less), feeding upon upper surface of leaf. (fig. 14). 



Apple-leaf Bucculatrix. Page 32. 



Hairy caterpillar with four white humps of hair on the 



back, and black pencils of hair on head and tail. (fig. 15). 



I. Head red. White-marked tussock. Page 33. 



II. Head black. Antique tussock. Page 33. 



Hairy caterpillar; ground color bluish with a single line of 



white dots on the back. (fig. 16). 



Forest tent caterpillar. Page 35. 



