PLATE THREE 



Spanworms and Harmless Insects Sometimes Mistaken for Them 

 green cranberry spanworm*: 



Fig. 1. — Female moth. 



Fi(]. 2. — Male moth. 



Fig. 3. — Worm, side view. 



Fig. 4a. — Half-grown worm, back view. 



Fig. 4b. — Mature worm, back view. 



BROWN CRANBERRY SPANWORM: 



Fig. 5. — Female moth. 



Fig. 6. — Male moth. 



Figs. Ta, 7h. Sa, Sb. — ^Mature worms, side and back views, showing variation in coloration. 



Big cranberry spanworm: 

 Fig. 9. — Worm. 

 Fig. 10.— Pupa. 

 Fig. 11. — Moth. 



Fig. 12. — ^Cotton spanworm moth. 



Fig. 13a and 13b. — The bog butterfly, Lycaena epixanthe (B. & L.). 



This often appears on bugs in great numbers in July and early August and 

 is mistaken commonly by growers for a spanworm moth. See page .51. 



Fig. 13b shows the butterfly at rest with wings erect. No important cranberry 

 pest ever rests with its wings held up so. 



Fig. 14. — Nomophila noctuella (D. & S.). 



.'\ harmless moth common on many bogs, especially from May to mid-July, 

 It often excites suspicion. 



PLATE FOUR 



Gypsy Moth and Other Pests 



Fig. 1.— CRANBERRY GIRDLER moth. 

 Fig. 2. — Crambus praefectellus (Zinck.). 



An unimportant moth common on many bogs in June and early July and often 

 confused by growers with the cranlierry girdler. Note the single conspicuous white 

 stripe along the middle of each forewing. 

 Figs. 3a and 3b.— CRANBERRY SPITTLE INSECT female adults, showing variation 



in coloration. 



Fig. 4.— CRANBERRY SPITTLE INSECT male adult. 



Fig. 5. — Cranberry rootworm beetle. 



Fig. 6. — Fire beetle beetle. 



Fig. 7.— CRANBERRY ROOT GRUB male beetle. 



GYPSY MOTH: 

 Fig. 8. — Caterpillar. 

 Fig. 9. — Pupa. 

 Fig. 10. — Male moth. 

 Fig. 11. — Female moth. 

 Fig. 12. — Egg mass. 



Figs. 13 and 14. — ^Calosoma sycophanta beetle and larva, predaceous on gypsy moth 



caterpillars and pupae. 



* The names of the more commonly harmful insects are in capitals. Insect size is 

 shown by the length of the lines near the figures. 



