Wilson~Vickery—List of Aphididae. 
131 
pM, Phylloxera Cholodkovsky, 1903, ■ Zool. Ans., XXVII, p. 118» 
Pyrus communis. ^ 
*pM, Schizoneura (Goethe) Mordwilko, 1900. Horae Soc. Bnt. 
Ross, XXXIII, p, 206, EriO'Soma? 
Goethe gives as a variety of E. lanigera Hausmann. Mordwilko 
gives as a good species. 
Pyrus communis. 
pisi, Macrosiplmiii (Kaltenbach), 1843. Mon, der Pflanzenlause, 
p. 23. aphis. 
Asperula sp., Beta vulgaris, Capsella Mirsa-pastoris, CliaeropJiyllum 
sylvestris, C. temulum, Colutea arhorescens, Cytisus scoparius^ 
EpiloMum montanum, Genistia tinctoria, Geum urhanum, Qra- 
tiola officinalis, Lactuca scariola, Lathyrus latifolius, L. odor- 
atus, L. pisiformis, L. pratensis, L. sativus, L. sylvestris, Lotus 
corniculatus, L. uliginosus, Lychnis dioica, Medicago falcata, 
M. sativa, Melilotus alha, Onobrychis sp., Ononis lurcina, 0. 
repens, Pisum arvense, P. sativum, Spirea ulniaria, Stellaria 
liolostea, Trifolium ''filaforme-', T. hybridum, T. incarnatum, 
T. pratense, T. repens, Urtica dioica, Vida angustifolia, V. gi- 
gantea, Y. ludoviciana, V. sativa, V. septum, Y. villosa. 
For discussion of the food plants of this species see Bulletin 276; 
U. S. Bur. Ent. p. 9. 
pisi Acyrthosiphon Kaltenbach sub. sp. destructor (Johnson) 
Mordwilko, 1914, Fauna of Russia (Insecta Hemiptera), 
I, Petrograd., p, 136. 
See Macrosiphum destructor Johnson. 
Pisum sp. 
pisl Acyrthosiphon Kaltenbach sub. sp. turanicum Mordwilko, 
1914, Fauna of Russia, (Insecta Hemiptera), I, Petrograd., 
p. 139. 
Medicago sativa, Trifolium sp. 
pisl Acyrthosiphon .Kaltenbach, sub. sp. ussuriensis, Mordwilko,, 
1914, Fauna of Russia, (Insects Hemiptera), I, Petrograd.,. 
p. 140. 
'‘Lathyro’’ sp. 
pistaciae, Feniphigus (Linnaeus), 1767, Sy.stema Naturae, Twelfth 
Edition, I, part 2, p. 737, No. 33, Aphis. 
Pistacia lentiscus, P. terebinthus, P. vera. 
plantagineus, Myzus Passerini, 18 60, Gli Afldi, p. 36. 
Plantago coronopus, P. major, P. media. : 
