124 Food Plants of Aphis riimicis 



Plant No. 7. Shirley Poppies. 



Infected from Rumex No. 1, with five w. v. $'s. 



Several large apterous females present beneath the leaves, along the 



mid-ribs ; very few in number. 

 Several colonies present, beneath leaves, and on the stem. 

 Plants are rather poor specimens ; there are a few individuals collected 



along the stem, and beneath the leaves, but numbers small. 

 8. 7. 13. Several colonies along the stem and flower stalks, and beneath the leaves, 



along the mid-ribs. 

 A few winged viviparous $'s produced. 

 Several winged forms collected at the top of the muslin cover, as though 



wanting to escape. Many nymphs of winged viviparous $'s on 



the plants. Poppies in flower. 

 Infestation fairly heavy. 



Plant No. 8. PajMver rhoea. 



Infected from Rumex No. 2, with ten w. v. $'s. 

 Several aphids produced. 

 Several colonies going well beneath the leaves. 

 14. 7. 13. Plenty of colonies present along the flower petioles, and beneath the 



leaves ; winged viviparous females produced, and several nymphs 



of winged forms present. 



24. 7. 13. Plants are healthy ; many aphids on the flower stalks, and beneath the 



leaves ; not very many winged forms produced. 

 28. 7. 13. Infestation moderate. 



Plant No. d. Red Beet. 



Infected from Rumex No. 2 with ten w. v. $'s. 



The plants Nos. 9, 10, and 11 are not growing well, and have wilted 

 considerably owmg to lack of water, so that the aphids seem to have 

 died oflf. Reinfected with five w. v. $'s from Rumex No. 5. 



A few isolated individuals present. 



Several large apterous viviparous females present, collected on the under- 

 side of the very young leaves. 

 28. 7. 13. The apterous viviparous females are collected on one small young leaf ; 

 they are large and healthy individuals, but up to the present do not 

 appear to be increasing very much in numbers on these plants. No 

 nymphs of winged forms or winged forms produced as yet. 



Plant No. 10. Mangolds. 



25. 6. 13 Infected from Rumex No. 2 with ten w. v. $'s. 



28. 6. 13. One hving winged form left, but owing to lack of water the plant has 

 wilted, and aphids have not taken. 

 8. 7. 13. Only one or two individuals present. Have reinfected with five w. v. $'s 

 from Rumex No. 5. 



