310 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 



2232. RELEY, C. V. Continued. 



CABBAGE WORMS 107 



Interest in and importance of the subject, 107 Accurate estimate 

 of loss impossible, 107. 



Imported cabbage-worm, Pieris rapce 108 



History of its spread, 108 Ravages, 109 Characters, 110 Habits, 

 110 Food-plants, 111 Seasons of appearance, 111 Natural ene- 

 mies, 111. 



Southern cabbage-butterfly, Pieris protodice 114 



Range, 114 Ravages, 114 Characters, 114 Food-plants, 115 

 Parasites, 115. 



The potherb-butterfly, Pieris oleracea , 115 



Range, 115 Characters, 116 Habits, 116 Number of broods, 116 

 Food-plants, 117 Enemies, 117. 



The larger cabbage-butterfly, Pieris monuste 117 



Range, 117 Characters, 117 Food-plants, 118 Parasites, 118 

 Description of early states, 118. 



The cabbage plusia, Plusia brassicce 119 



Its range, 119 Food-plants, 119 Habits and natural history, 119 

 Close relation to an European species, 120 Natural enemies, 

 120 Botrytis rileyi, a new species of fungus, 121 Remedies, 121. 



The cabbage mamestra, Mamestra trifolii 123 



Its habits and natural history, 123 Retaedies, 124 Description, 

 124. 



The zebra cabbage-worm Mamestra picta 124 



History, 124 Description, 125 Habits, 125 Broods, 125 Reme- 

 dies, 125. 



The cabbage pionea Pionea rimosalis 126 



Its past history, 126 Notes by Prof. Cyrus Thomas, 126 Habits 

 and natural history, 127 Parasites, 127 Remedies, 127 De- 

 scriptive, 128. 



The cauliflower botis, Sotis repetitalis 128 



Past history, 128 Range, 128 Descriptive, 129. 



The cabbage plutella, Plutella cruciferarum 129 



Its past history, 129 Habits and natural history, 130. 



REMEDIES FOR CABBAGE-WORMS 131 



Hot water, 131 Pyrethrum, 131 Kerosene emulsions, 131 Other 

 substances, 131 Paris green, London purple, and white helle- 

 bore, 132 Preventive measures, 132 Report of Capt. R. S. 

 Lacey, 133 Report of Col. Wright Rives, 134 Poisoning de- 

 vices, 136. 

 CAUSES OF DESTRUCTION OF EVERGREEN FORESTS IN NEW ENGLAND 



AND NEW YORK, B-* A. S. PACKARD, JR 138 



The larch saw-fly, Nematus erichsonii 138 



History of its ravages, 138 Its devastations in Maine, 139 Its 

 ravages in New Hampshire, 141 Its appearance in Massachu- 

 setts, 141 In northern New York, 142 History of the species 

 and its habits, 142 Description of egg, larva, cocoon, and imago, 

 145 Remedies, 146 Parasites, 146. 



The spruce-bud tortrix, Tortrix fumiferana 146 



Its ravages in Maine, 146 Habits and transformations, 147 De- 

 scription of different stages, 148. 



The spruce nematns, Nematus integer .... ....................... 149 



Range, 149 Description of different stages, 150. 



