-200- 
(691) WILSON, H. F., and JANES, R. L. 
1942. Use of dusting machines in controlling pea aphids. 
Canner 94 (16):24, 26, 28. 
(692) WISCONSIN AGRICULTURAL EXPERIMENT STATION 
1939. Reveal some factors affecting control of pea aphids. 
Wis. Agr. Expt. Sta. Bui, 443:48-50. 
(693) 
(694) 
(695) 
(696) 
(697) 
1941. "Charged" dusts make best aphid insecticide. Wis. 
Agr. Expt. Sta. Bui. 451:48-51. 
1941. Seek control for insects of cucumbers, melons and 
squash. Wis. Agr. Expt. Sta. Bui. 451:38-39. 
1942. Canniag peas. Better, cheaper aphid control may be 
possible. Wis. Agr. Expt. Sta. Bui. 455:53-58. 
1942* One dust controls two cabbage insects. Wis. Agr. Expt. 
Sta. Bui. 455:65. 
1943. Canning peas. Wis. Agr. Expt. Sta. Bui. 460:47-52. 
(698) WOGLUM, R. S., and LEWIS, H. C. 
1940. Whitewash to control potato leafhopper on citrus. 
Jour. Econ. Ent. 33:83-85. 
(699) WOKE, P. A. 
1940. Effects of some ingested insecticides on the midgut 
wall of the southern armyworm larva. Jour. Agr. 
Res. 61:321-329. 
(700) WOLTERS, H. J. 
1942. Achtet auf deri Flachsblasenfussl Erfahrungen mit der 
Bekampfung in Holland. Deut. Landw. Presse 69*202. 
[Abstract in Rev. Appl. Ent. (A) 32:68. 1944.] 
(701) WORTHLEY, H. N. 
1942. Studies of codling moth cover sprays in 1941. Pa. 
State Hort. Assoc. Proc, 38, 12 pp. 
(702) YAGO, !'., and FTTRTTICHI, S. 
1940. On the aphids infesting the pear tree, especially Toxoptera 
piricola Mats. Nippon Plant Protect. Soc, Jour. 
Plant. Protect. (Byochugai Zasshi) 27 (2):126-130. 
[In Japanese. Abstract in Rev. Appl. Ent. (A)29:96»] 
