$9. 
40. 
41. 
a9 
ay 
a 
1964. Northern rootworm crisis, Hoard’s 
Dairyman 109:554. illus. maps. 
. 1968. Corn rootworm insecticides in starter- 
" fertilizer. Proc. N. Cent. Br. Entomol. Soc. Amer. 23(1) : 
17-18. 
——_———. 1968. Corn rootworm insecticides in starter- 
fertilizer. Proc. N. Cent. Br. Entomol. Soc. Amer. 2312s 
105-107. illus. refs. 
. 1971. Gains from the use of carbofuran for 
northern corn rootworm control. Proc. N. Cent. Br. 
Entomol. Soc. Amer. 26: 26-28. illus. refs. 
, and J. M. Farrer. 1962. Insect observations 
in a vegetable garden adjacent to a blacklight insect 
trap. Proc. N. Cent. Br. Entomol. Soc. Amer. 17:41. 
illus, 
, and K. K. Parer. 1963. Sequence of attack by 
northern corn rootworms on the crown roots of corn. 
Proc. N. Cent. Br. Entomol. Soc. Amer. 18:80-81. illus. 
refs. 
, E. T. Wavcensacu, and W. J. Kner. 1969. 
Norther corn rootworm control by granular insecticide 
application at planting and cultivation time. J. -Econ. 
Entomol. 62(5) : 1033-1035. illus. refs. 
: , and . 1971. Thermal re- 
quirements for northern corn rootworm egg hatch. if 
Econ. Entomol. 64(4) :853-856. illus. refs. 
. AtyEo, W. T., G. T. Werxman, and D. E. Lawson. 
1964. The identification of Diabrotica species by chorion 
sculpturing. J. Kans. Entomol. Soc. 37(1):9-11. illus. 
. Batx, H. J. 1955. Corn rootworm control. Proc. N. Cent. 
Br. Entomol. Soc. Amer. 10:13. 
———_. 1956. Corn rootworm control for surface- 
planted and listed corn. J. Econ. Entomol. 49(5) :709- 
710. illus. refs. 
- —_______. 1957. On the biology and egg-laying habits of 
the western corn rootworm. J. Econ. Entomol. 50 (2): 
126-128. illus. refs. 
. 1962. Insecticide resistance in adult western 
com rootworms in Nebraska. Proc. N. Cent. Br. Entomol. 
Soc. Amer. 17:48. illus. 
—__——. 1966. Rootworm alert system. No more sneak 
attacks. Nebr. Agr. Exp. Sta. Quart. 13(2) :2. illus. 
. 1968. A five-year study of potential western 
corn rootworm resistance to diazinon and phorate in 
Nebraska. J. Econ. Entomol. 61(2) :496-498. illus. refs. 
maps. 
—. 1968. Potential corn rootworm resistance to 
diazinon and phorate in Nebraska. Proc. N. Cent. Br. 
Entomol. Soc. Amer. 23(1) :21. 
. 1969. Diurnal rhythm of sensitivity to diazinon 
in adult western corn rootworms. J. Econ. Entomol. 
62(5) : 1097-1098. illus. refs. 
—_____. 1969. Topical toxicity of insecticides to 
Diabrotica virgifera adults. J. Econ. Entomol. G2 (Di: 
1172-1174. illus. refs. 
1971. Laboratory observations on the daily 
Oviposition cycle in the western corn rootworm. J. Econ. 
Entomol. 64(5) : 1319-1320. illus. refs. 
——_——. 1972. A system for recording activity of small 
insects. J. Econ. Entomol. 65(1) : 129-132. illus. refs. 
1973. Western corn rootworm: A ten-year 
study of potential resistance to diazinon and phorate in 
Nebraska. J. Econ. Entomol. 66(5):1015-1018. illus. 
refs. 
, and M. F. B. Cuaupnury. 1973. A sex at- 
tractant of the western corn rootworm. J. Econ. Entomol. 
66(5) : 1051-1053. illus. refs. 
61, 
62. 
63. 
64. 
(ay 
2. 
ihe 
78. 
80. 
. Bereza, K. 
, and R. E. Hitz. 1952/1953. You can control 
corn rootworm. Nebr. Exp. Sta. Quart. 1(3) :3-4. illus. 
, and G. T. Weexman. 1962, Insecticide re- 
sistance in the adult western corn rootworm in Nebraska. 
J. Econ. Entomol. 55 (4) :439-441. illus. refs, 
, and . 1962. Western corn rootworm 
resistance in Nebraska. Bull. Entomol. Soc, Amer. 8(3): 
166. 
, and . 1963. Differential resistance of 
corn rootworms to insecticides in Nebraska and adjoining 
states. J. Econ. Entomol. 56(5) :553-555. illus. refs. maps. 
, and . 1963. Resistance of corn root- 
worms to insecticides in Nebraska and adjoining states. 
Proc. N. Cent. Br. Entomol. Soc. Amer. 18:82. 
Barper, H. S. 1947. Diabrotica and two new genera 
(Coleoptera, Chrysomelidae). Proc. Entomol. Soc. Wash. 
49(6):151-161. illus. 
Barton, H. E. 1969. Artificial diet and diapause studies 
on corn rootworms. Ph.D. Diss., Iowa State University. 
91 p. illus. refs. 
. Berne, B. P. 1971. Pest insects of annual crops in 
Canada. Part III: Coleoptera. Mem. Entomol. Soc. Can. 
78:71-124, refs. 
1970. Northern corn rootworm. Ont. Dep. 
Agr. Food Fact Sheet AGDEX 111(622). illus. maps. 
. Biccrr, J. H. 1932. Short rotation fails to prevent attack 
of Diabrotica longicornis Say. J. Econ. Entomol. Zo 2s 
196-199. illus. refs. 
. 1943. Insect resistance in corn. J. Amer. Soc. 
Agron. 35(8) : 689-694. refs. 
. 1960. New aspects in control of soil insects on 
corn. Proc. N. Cent. Br. Entomol. Soc. Amer. 15:85-86. 
illus. refs. 
. 1963. Corn rootworm resistance to chlorinated 
hydrocarbon insecticides in Illinois. J. Econ. Entomol. 
56(1):118-119. illus. 
, and R. A. Brancuarp. 1955. Ecology and 
control of soil insects attacking corn in Illinois. J. Econ. 
Entomol. 48(3) :255-260. illus. 
, and . 1959. Insecticidal control of 
underground insects of corn. A report of a 5-year study. 
Ill. Agr. Exp. Sta. Bull. 641. 28 p. illus. refs. 
, and G. C. Decker. 1966. Controlling root- 
feeding insects of corn. Ill. Agr. Exp. Sta. Bull. 716. 
24 p. illus. refs. 
, and W. P. Firnr. 1939. Studies on the effect 
of crop rotation on some insects infesting corn roots in 
Illinois. J. Econ. Entomol. 32(4) :565-571. illus. refs. 
—________, and H. B. Perry. 1965. Insect infestation of 
corn roots in Illinois. Il. Agr. Exp. Sta. Bull. 704. 8 p. 
illus. 
. Bratr, B. D. 1964. Studies of northern corn rootworm 
adults resistant to aldrin. Ph.D. Diss., Ohio State Uni- 
versity. 41 p. illus. refs. 
, and R. H. Davinson. 1966. Susceptibility of 
northern corn rootworm adults to aldrin in Ohio. J. 
Econ. Entomol. 59(3) :608-610. illus. refs. 
—____., C: A. Triptenorn, and G. W. Ware. 1963. 
Aldrin resistance in northern corn rootworm adults in 
Ohio. J. Econ. Entomol. 56(6) :894. refs. 
. Bovine, A. G. 1927. Description of larvae of the genera 
Diabrotica and Phyllobrotica, with a discussion of the 
taxonomic validity of the subfamilies Galerucinae and 
Halticinae (Coleoptera: Chrysomelidae ). Proc. Entomol. 
Soc. Wash. 29(9) : 193-206. illus. refs. 
Branpner, L. 1954. Corn enemy to watch in 1954. Kans. 
Farmer 91(6) :6, 36-37. illus. maps. 
