xiv TABLE OF CONTENTS. 



CHAPTER IV. 

 FOREST INSECTS (GENERAL ACCOUNT). 



PAGE 



SECTION I. CLASSIFICATION . . . 149 



II. DISTRIBUTION . <. 153 



III. LIFE-HISTORY . . .155 



IV. NUMBER . . , . \ 159 



V. USEFUL FOREST INSECTS 160 



VI. INJURIOUS FOREST INSECTS 161 



1. Damage done ...... .... 161 



2. Preventive rules (Protection of insectivorous birds, &c.) . . . 164 



3. Remedial measures 1 73 



4. Treatment of injured woods 178 



CHAPTER V. 

 INSECTS USEFUL TO FORESTS (SPECIAL ACCOUNT). 



OUDER I. COLEOPTERA 180 



., II. HYMENOPTERA 184 



III. DIPTERA 194 



IV. NEUROPTERA 195 



,. V. ORTHOPTERA (PSEUDONEUROPTERA) 197 



,. VI. HEMIPTERA . . * ..- 197 



CHAPTER VI. 



INJURIOUS -FOREST INSECTS (SPECIAL ACCOUNT OF 



COLEOP1ERA). 

 FAMILY I. SCARABAEIDAE. 



1. Melolontlia vulgarix (Common cockchafer) 199 



2. 3f. hippocartani 209 



3. Rhizotrogus *ol*titialis (June chafer) 210 



FAMILY II. BUPRESTIDAE. 



1. Agrilug vlrldis . .211 



2. Other species .213 



FAMILY III. ELATERIDAE (Click-beetles) 214 



M IV. LYMEXYLONIDAE. 



Lymerylon narale .215 



