CONTENTS. 



PAGE. 



INTEODUCTOEY - 129 



INSECT ATTACKS AND MISCELLANEOUS OBSEEVATIONS : 



The Insects of the Hemlock - - - 139 



The Chalcid Parasites of Cecidomyia betulee Winnertz - - - 147 

 Isosoma hordei (Harris) — The Joint-worm Fly ----- 147 



Thalessa lunator fi^abr J — The Lunated Long-sting - - - 155 

 Amphibolips prunus flFflis/ij — The OaK-plum gall Cynips - -162 

 Aulacomerus lutescens n. sp. — The Poplar Saw-Ely - . . 164 

 Currant Bushes Girdled by an Unknown Insect . - . . 167 

 Orgyia leucostigma (Sm.-Abb.) — The White-marked Tussock - 168 

 JjagoaoperGulsiris (Sm.- Abb.) — The Eabbit Moth - - - -171 

 Nephelodes violans Guenee — The Bronze-colored cut- worm - 174 

 Homoptera lunata (Drury), as a Eose Pest --.--- 177 



A Hemlock Leaf-miner - - - 179 



Cecidomyia balsamicola 7i. sp., and its Gall ----- iso 



Lasioptera vitis 0. S., and its Galls - - 183 



Chloropisca proliflca 0. S. n. sp., and its Winter Gatherings - - 187 

 Phytomyza lateralis Fallen — The Marguerite Fly - - - - 193 

 Megilla maculata Be Geer — The Spotted Lady-bird - - - 200 

 Chauliognathus marginatus (Fabr.) — The Margined Soldier- 

 Beetle ------ 204 



Sitodrepa panicea (Linn.), as a Leather-Beetle 208 



Xylotrechus colonus (Fabr.), occurring in a Dwelling - - - 213 

 Haltica bimarginata (Say) — The Alder Flea-Beetle - - - - 216 



Crepidodera ruflpes (Linn.) — The Eed-f ooted Flea-Beetle - - 221 

 Scolytus rugulosus fjRafsJ — The Wrinkled Scolytus - - -223 

 Corythuca ciliata f^Sa^/j — The Ciliated Tingis - - - - 227 



Melanolestes picipes (JT.-zS.) — The Black Corsair - - - -229 



Mytilaspis pomorum ('-Boitc'/ieJ — The Apple-tree Bark-louse - 234 

 Ptyelus lineatus (Linn.) — The Lined Spittle-hopper - - - 240 

 Ephemera natata Walker, and other Ephemeridee - - - - 241 



Hairsnakes as Parasitic on Insects ------- 245 



Cermatia forceps (Baf.), as a Household Pest . - - - 248 



