Wilson-Vickery—List of Aphididae, 
167 
tetrapteralis, Aphis Cockerell, 1902. BuL S. Cal. Ac. Sci., I, p. 40. 
Atriplex canescens. 
tetrarhoda, Myzus (Walker), 1849. Ann. Mag. Nat. Hist., (2), 
IV, p. 42. Aphis. 
Corylus avellana, Hieracium pilosella, Rosa canina, R. centifolia, 
R. gallica. 
teucrii, ilphis Lichtenstein, 1884. La Flore des aphidqns, p. 52. 
No description. 
Teucrium sp. 
thalictri, Aphis Koch, 1854. Die Pflanzenlause Aphiden, p. 81, fig. 
Thalictrum aquilegiifolmm, T. minus. 
thalictri, Myzus Williams, 1911. Aphididae of Nebraska, p. 68. 
Thalictrum revolutum. 
thaspii, Aphis Oestlund, 1887. Aphididae of Minnesota, p. 58. 
Thaspium aureum. 
theaccola, Myzus Buckton, 1891. Ind. Mus. Notes, II, p 33. 
Ceylonia. 
Camellia thea, Theohroma cacoa. 
f 
theohaldii, Macrosiphum Davis, 1915. U. S. Dept. Agr. Bui. 276, 
p. 4. A new name for Macrosiphum trifolii Theobald. 
Trifolium procumhens. 
theobromae, Toxoptera Schouteden, 19 06. Ann. Soc, Ent. Belg., 
L. p. 38. 
Theolroma cacoa. 
thlaspeos, Aphis Schrank, 1801. Fauna Boica, II. p. 118. 
Papaver sp., Thlaspi sp.? 
thujafolia, Lachniella Theobald, 1914. Bu). Ent. Research, IV, p. 
335, fig. 
Thuja orientalis. 
tiliae, Drepanosiphum Koch, 1855. Die Pflanzenlause Aphiden, p. 
204, fig. 
Populus nigra, P. pyramidalis, Tilia americana, T. grandifolia, T. 
platyphyllos. 
tiliae, Eucallipterus (Linnaeus), 1758. Edition 10, Systema 
Naturae, p. 452. Aphis. 
Tilia americana, T. cordata, T. platyphyllos, T. ruhra, T. vulgaris. 
