CONTENTS. 



PAGE 



Preface 5 



Introduction 9 



DISEASES CAUSED BY FUNGI ... 13 



Rose Mildew ... ... ... ... ... ... 19 



Rose Rust 23 



Black Spot 25 



Rose Leaf-Scorch 26 



Sooty Mould ... ... ... .. ... ... 27 



INSECT ENEMIES ... 29 



General Remarks ... ... ... ... ... 29 



Beetles injurious to Roses (Coleoptera) ... ... 30 



Rose Beetle 30 



Cockchafer 31 



Summer Chafer ... ... ... ... ... 32 



Garden Chafer ... ... ... ... ... 32 



Bees and Sawflies injurious to Roses (Hymenoptera) 33 



Rose Leaf-cutting Bee ... ... ... ... 33 



Leaf-rolling Sawfly ... ... ... ... 35 



Rose Slugworm ... ... ... ... ... 36 



Rose Emphytus ... ... ... ... ... 38 



Moths injurious to Roses (Lepidoptera) 39 



Vapourer Moth ... ... . ... ... 40 



Pale Tussock Moth ... 41 



Gold-tail Moth 42 



Buff-tip Moth 44 



Dagger Moth ... ... ... ... ... 45 



Winter Moth 46 



Mottled Umber Moth -. 48 



Tortrix Moth or Rose Maggot 48 



Red Rose Maggot ... ... ... ... 48 



Brown Rose Grub ... ... ... ... 49 



Green Rose Maggot 49 



