CONTENTS 



PART I 



PRELIMINARY LESSONS 



1. What is an Insect ? ...... 



2. (Practical.) The External Parts of an Insect (Cockroach) . 



3. (Practical.) The Mouth-parts of an Orthopterous Insect 



(Cockroach) ...... 



4. (Practical.) Dissection of a Cockroach 



PAGE 



3-5 

 6-12 



12-15 

 15-21 



PART II 



LESSONS ON COMMON INSECTS, CHIEFLY SUCH 

 AS ARE EITHER INJURIOUS OR USEFUL TO 

 MAN 



A. Beetles (Coleoptera) 



5. The Cockchafer {Melolontha vulgaris) . . . 25-32 



6. A Carnivorous Water- Beetle {Dytiscus marginalis) . . 32-37 



7. Wire- Worms and Click-Beetles (various species of Agriotes, 



especially A. lineatus) ..... 37-39 



8. The Tumip-Flea {Phyllotreta nemorum) . . . 39-42 



9. LiB.dy-Jiirds {Caccinemda) ..... 42-44 



10. The Garden- Weevil (Otiorhynchas) .... 44-47 



11. The 'Elra-haxk'Bettlt (Scolytus destructor) . . . 47-50 



B. Moths and Butterflies (Lepidoptera) 

 12. (Practical.) Dissection of a Caterpillar 



13. (Practical.) How to inflate a Caterpillar and set a Moth 



14. The Tiger-Moth (Arctia caja) 

 Cabbage White Butterflies (Piens) . 

 tha (joa.t-yio'Csx (Cossus ligniperda) . 

 The Silkworm {Bombyx mori) 

 The Vapourer-Moth {Orgyia antiqua) 



IS 

 .16, 



17. 

 18, 



19- 



C. Bee-Like Insects [Hymenoptera) 

 The Hive-Bee {Apis mellifica) 



20. The Gooseberry Saw-Fly (Nematus ribesii) 



21. The Wood- Wasp {Sirex) 



22. Ichneumons and their Allies . 



51-55 

 55-58 

 58-62 

 62-65 

 65-68 

 68-77 

 77-81 



82-94 



94-98 



99-I02 



102- ID9 



