WOOLLY APHIDS OF" THE ELM. 293 



A. spinosus L. Thorny Amaranth. 



Aphis maidi-radicis Forbes. Vickery, 1910, p. 102. 

 A. sp. 



Aphis gossypii Glover (citrifolii Ashm. In part) (citrulli Ashm.) 

 cucumeris Forbes) (forbesi Weed?). Pergande, 1895, p. 313. 



Myzus achyrantes (Monell). Williams,. 1891, p. 5. 



Myzus persicae Sulzer. Gillette and Taylor, 1908, p. 35. 



Iresine. 



I. Lindeni Van Houtte (Achyranthes). 



My'siis persicae Sulzer. Gillette and Taylor, 1908, p. 35. 



NYCTAGINACEAE. FOUR O'CLOCK FAMILY. 



BOUGAINVILLAEA. 



B. brasiliensis Willd. 



Aphis papaveris Fab. var. Del Guercio, 1909 (1910) Redia VII, 

 p. 297. 



OXYBAPHUS. (Allionia) 



O. linearis (Pursh) Robinson. (Allionia linearis) (angustifolius). 



Aphis oxybaphi Oestlund. Oestlund, 1887, p. 62. 

 O. nyctagineus (Michx). 



Aphis oxybaphi Oestlund. Williams, 1891, p. 20. 



AIZOACEAE. 



MESEMBRI ANTHEM UM. 



M. sp. 



Rhopalosiphiim dianthi (Schrank) Koch (persicae, Purceron du 

 pecher Morren) (rapae Curtis) (floris rapae Curtis) (dubia? 

 Curtis) (vastator Smee) (persicaecola Boisduval) (persicae 

 Pass, not Boyer. not Sulzer, not Kalt.). Buckton, 2. p. 17. 



Rhopalosiphiim persicae Sulzer. Lichtenstein, La Flore. 



CARYOPHYLLACEAE. PINK FAMILY. 



Arenaria. 



A. peploides L. 



Aphis aucta Walker. Walker, 1849c, p. 33. 



