-3- 
1896 
Stedman, J. M. (6) 
The woolly -aphid of the apple or the apple-root plant-louse 
( Schizoneura lanigera (Hausm.)). Mo. Agr. Expt. Sta. Bui. 
35: 36-61. 
A minute chalcid fly, Aphelinus mali , is parasitic on the woolly 
apple aphid and could, in sufficient numbers, greatly diminish the 
numbers of aphids, but no case has been observed where this has 
actually happened. The fly is so small that it will escape the 
notice of the ordinary observer. 
1908 
Gillette, C. P. (7) 
Notes and descriptions of some orchard plant lice of the family 
Aphididae. Jour. Econ. Ent. 1: 302-310. 
"We have reared no parasite from it, but on Aug. 21, 1908, 
L. C. Bragg brought into my office a female Aphelinus mali 
(det. by L. O. Howard) busily ovipositing in apterous females 
of this louse ( Eriosoma lanigerum )." 
and Taylor, E. P. (8) 
A few orchard plant lice. Colo. Agr. Expt. Sta. Bui. 133: 13, 
26, and 37. 
Aphelinus mali discussed. 
Howard, L. O. (9) 
Upon the aphis-feeding species of Aphelinus. Ent. News 19: 
365-367. 
Contains a table of the species, including mali . 
Smith, H. S. (10) 
Aphis injurious in Nebraska during 1906-1907. Nebr. State Bd. 
Agr. Ann. Rpt. : 307-326. 
Aphelinus mali, page 322. 
