TABLE OF CONTENTS. 



PAQK. 



INTRODUCTORY 121 



The year not prolific in insect life, 121. Causes of varying abund- 

 ance of insects in different years, 121. Aggregate of insect injury 

 can seldom be foretold a year in advance, 121. New subjects for 

 study brought each year to the economic entomologist, 121. Grain 

 crops almost entirely free from their usual enemies, 122. Fruit insects 

 have been the most abundant, 122. Helpful replies made to inquiries 

 relating to fruit insects, 122. Of the operations of the apple-tree 

 tent-caterpillar during the year, 122. Of the apple-tree aphis and 

 remedies for it, 123. Spread and injury of the apple-leaf Bucculatrix 

 and its parasite, 123. Coleophora malivorella in Western New York, 



123. Work of the apple-leaf sewer in Wayne county, 123. Increase 

 of the eye-spotted bud-moth in the "apple-belt,"* 124. Appearance 

 of, and alarm excited by, two new pear-tree pests in the Hudson river 

 valley, 124. Operations of the pear-tree Psylla in Greene and 

 Columbia counties and losses caused by it, 124. Spread of the pear 

 midge from Connecticut into New York, 124. Nature of its attack, 



124. Its transformations, 125. Preference for certain varieties 

 of pears, 125. Lygiis pratensis attack on pears, 125. Injuries 

 from Lygas invitus, 125. Cherry aphis in St. Lawrence county, 



125. Plum aphis in Schoharie county, 125. Plum curculio 

 in Albany county, 125. Grapes and peaches destroyed by 

 the rose-bug, 125. Arrest of injuries of the currant-worm. 125. 

 The cow-horn fly in New York, 126. A new onion pest at Canas- 

 tota, 126. Epilaehna borealis injuries on Long Island, 126. Increased 

 interest of agriculturists in entomological investigations, 126. Col- 

 lections of the Entomologist during the year, 127. Contributions to 

 the collections, 127. Why some brief notices of insects have been 

 presented in this report, 127. Courtesies acknowledged, 128. 



INJURIOUS INSECTS 1 29 



Synchlora glaucaria, the Raspberry Geometer 129 



Synonymy and bibliography, 129. A strange-looking and rarely 

 seen caterpillar, 129. Figure of the insect, 130. Artful concealment 

 or mimicry of the caterpillar, 130. How the Geometrida? travel, 130. 

 The raspberry Geometer should be a common insect: a possible reason 

 why it is not, 131. Description of the caterpillar, 131. The moth 

 described, 131. Natural history of the insect so far as known, 132. 

 14 



