February, ’18] 
PADDOCK: TEXAS APHID NOTES 
29 
Take, for instance, the Hessian fly. The farmer control of the Hessian 
fly was at zero. I have worked a little on the Hessian fly in the past 
year and I don’t believe we can say that the actual control of the Hes¬ 
sian fly is as low as the zero point, and I can’t understand how the 
questionnaires could have reproduced, if they were the actual state of 
affairs, a zero result in the control of the Hessian fly. We realize that 
it is lower than it should be, but how it could be zero is unbelievable. 
Mr. W. C. O’Kane: I said that nobody had complete control. 
Mr. Davis is right about the point he mentioned, and the dotted line, 
if the paper is published, should be very clearly made to indicate the 
opinion of entomologists as to complete control security; also partial 
control security, and I think that will be made clearer in the paper it¬ 
self. As to actually securing complete control, everybody said we 
didn’t get it. 
President R. A. Cooley: Do you wish to discuss the paper fur¬ 
ther? If not, we will adjourn. 
Adjournment, 12.20 p. m. 
Afternoon Session, Monday, December 81, 1917, 1.45 p . m. 
President R. A. Cooley: The first paper entitled “Texas Aphid 
Notes,” by F. B. Paddock, will be read by Mr. Bilsing. 
TEXAS APHID NOTES 
By F. B. Paddock, State Entomologist, College Station, Texas 
Upon a review of the literature on this family we find but few ref¬ 
erences to the aphids in Texas. In 1906 Sanderson 1 records some 
rearing notes on the European grain aphis, Macrosiphum granaria 
Buckt. The first paper on the economic phase of a Texas aphid was 
by Professor Webster in 1912 2 on The Spring Grain Aphis or “ Green 
Bug.” The next paper was in 1915 by the writer on the turnip louse. 3 
From time to time in other publications the distribution of an aphid 
has included some portion of Texas. No List of Texas aphids has 
been published, although some material has been collected and a few 
notes have been made by some of the former entomologists of the 
Texas station. This group of insects has not attracted the attention 
of collectors passing through the state as have other groups, as Jassids, 
Orthoptera, Coleoptera, and Hymenoptera. 
1 Texas Notes II. E. Dwight Sanderson, Macrosiphum granaria Buckt. Ento¬ 
mological News, November (page 327), 1906. 
2 The Spring Grain Aphis or “ Green Bug.” Webster and Philips. Bureau of Ento¬ 
mology, Bulletin 110. 
3 The Turnip Louse. F. B. Paddock. Texas Station, Bulletin 180. 
