Vlll TABLE OF CONTENTS. 



Plusia moths, 96. The species doubtfully referred to P. dyaus, 



97. Should it prove to be new, the name of Plusia ctilta proposed 

 for it, 97. 



Amphidasys cognataria, the Currant Amphidasys 97 



Bibliography, 97. Its occurrence on a black-currant bush, 



98. Habits of its associated Geometers, 98. The caterpillar de- 

 scribed and figured, 99. The moth, 100. Life-history as observed 

 by Miss Morton, 100. Larval food-plants, loi. Occurrence upon 

 an apple-tree, loi. Its extensive distribution, loi. Remedies, 

 in jarring, etc., loi. 



SiTOTROGA CEREALELLA, the Angoumois Moth.. 102 



Synonymy and bibliography, 102. Reported from the N. Y. 

 State Agricultural Experiment Station, 102. Its attack upon 

 corn, 103. Manner of attack, 104. History of the insect, 104. 

 Description of the moth and figure of the several stages, 105. 

 Food-plants, 106. Its life-history, 106. Its natural history as 

 related by Olivier, 107, 108. Distribution in the United States 

 and Europe, 109. Remedies: fumigation with charcoal gas, and 

 application of heat, 109, and azotic gas, no. Destroyed by 

 Pteromaliis gelechia and Heteropus.vc7itricosus. 



DIPTEROUS INSECTS. 



BiBio albipennis, the White-winged Bibio no 



Bibliography, III. The fly described and figured, 11 1. Original 

 description by Say, in. Family characteristics of the Bibionidce, 

 III. Is probably not injurious in its habits, 112. An European 

 species charged with injuries to flowers, 112. The food of Bibio 

 albipouiis, 113. Large numbers of it eaten by the robin, 113. 

 Abundance of the larvae in St. Lawrence county, 114. Transfor- 

 mation to the winged insect, 1 14. Is the species double-brooded ? 



114. An unknown species of Bibionidce occurring in rose-pots, 



115. Its larva described, 115. 



MiCRODON GLOBOSUS I16 



Synonymy and bibliography, 116. The larva mistaken for a 

 land snail, and described as a mollusc, 116. Its frequent associa- 

 tion with ants, 116. Other species in similar association, 116, 

 117. Hibernation of the fl)' within dwellings, 117. Like habits 

 of the cluster-fl)^, Pollenia rudis^ 117. Limited distribution of 

 the fly in the United States, 117. 



Trvpeta pomonella, the Apple Maggot 117 



Bibliography, 117. Reported from Brandon, Vt., 118. Opera- 

 tions of the larva, 118. The larva as described by Walsh, 119. 

 Figure of the larval head, 119. The fly described and figured, 

 120. Life-historv, 120. Western observations, 121. Occurs 



