789. 
790. 
9a: 
93: 
794. 
IDE 
796. 
Wik 
798. 
199: 
Control{Flech. Commun. 2, 
p. 35-216. [Commonw. Agric. 
Bur., Farnham Royal, Bucks, 
England. | 
McIntyre, T. 1960. Natural fac- 
tors control the pine tortoise 
scale in the Northeast. J. Econ. 
Entomol. 53(2):325: 
McIntyre, T., and S. R. Dutky. 
1961. Aerial application of virus 
for control of a pine sawfly, 
Neodiprion pratti pratti. J. 
Econ. Entomol. 54(4):809-810. 
MacKay, M. R. 1943. The 
spruce foliage worm and the 
spruce cone worm (Dioryctria 
spp., Lepidoptera, Pyralidae). 
Can. Entomol. 75(5):91-98. 
. MacKay, M. R. 1959. Larvae of 
the North American Olethreu- 
tidae (Lepidoptera). Can. Ento- 
mols; Suppl: 10,338: p. 
MacKay, M. R. 1962. Addi- 
tional larvae of the North Amer- 
ican Olethreutinae (1) (Lepidop- 
tera: Tortricidae). Can. Ento- 
mol. 94(6):626-643. : 
MacKay, M. R. 1962. Larvae of 
the North American Tortricinae 
(Lepidoptera: Tortricidae). Can. 
Entomol. Suppl. 28, 182 p. 
MacKay, M. R. 1968. The 
North American Aegertidae 
(Lepidoptera): a revision based 
on late-instar larvae. Mem. En- 
tomol. Soc. Can. 58, 112 p. 
McKenzie, H. L. 1967. Mealy- 
bugs of California. 525 p. Calif. 
Univ. Press, Berkeley. 
McKnight, M. E. 1968. A liter- 
ature review of the spruce, west- 
ern, and 2-year-cycle bud- 
worms. U.S. Dep. Agric. For. 
Serv., Res. Pap. RM-44, 35 p. 
Rocky Mt. For. & Range Exp. 
Stn., Fort Collins, Colo. 
McKnight, M. E. 1973. Para- 
sitoids reared from collections 
of Rhyacionia bushnelli from 
the Great Plains (Lepidoptera: 
Olethreutidae). J. Kans. Ento- 
mol. Soc. 46:139-143. 
McLean, D. A. 1980. Vul- 
nerability of fir-spruce stands 
800. 
801. 
802. 
803. 
804. 
805. 
806. 
807. 
808. 
during uncontrolled spruce bud- 
worm outbreaks: a review and 
discussion. For.’ Chron. 
56:2 13-22 1 
MacLean, D. B., and R. L. 
Giese. 1967. The life history of 
the ambrosia beetle Xyloterinus 
politus (Coleoptera: Scolytidae). 
Can. Entomol. 99(3):285-299. 
MacLean, D. B., and R. L. 
Giese. 1968. Fungi associated 
with Xyloterinus politus (Say) 
(Coleoptera: Scolytidae). J. In- 
vertebr. Pathol. 10(2):185-189. 
McLeod, J. M. 1966. Notes on 
the biology of a spruce needle- 
miner, Pulicalvaria piceaella 
(Kearfott) (Lepidoptera: 
Gelechiidae). Can. Entomol. 
98(3):225-236. 
McLeod, J. M. 1970. The epi- 
demiology of the Swaine jack 
pine sawfly, Neodiprion swainei 
Midd. For. Chron. 46:126-133. 
McLeod, J. M. 1979. Discon- 
tinuous stability in a sawfly life 
system and its relevance to pest 
management strategies. /n Cur- 
rent topics in forest entomology: 
selected papers from the 15" In- 
ternational Congress of Ento- 
mology. W.E. Waters, ed. U.S. 
Dep, Agric’ For. Serv., Gen. 
Tech. Rep. WO-8, p. 68-81. 
Washington, D.C. 
Mebeoda Jo.M.. ‘and Ly: 
Daviault. 1963. Notes on the life 
history and habits of the spruce 
cone worm, Dioryctria re- 
niculella (Grt.) (Lepidoptera: 
Pyralidae). Can. Entomol. 
95(3):309-316. 
McLintock, T. F. 1947. Sil- 
vicultural practices for control 
of spruce budworm. J. For. 
45(9):655-658. 
McLintock, T. F 1948. Evalua- 
tion of tree risk in the spruce-fir 
region of the Northeast. lowa 
State; Coll J. Sein 224): 
415-419. 
McLintock, T. F. 1949. Map- 
ping vulnerability of spruce-fir 
stands in the Northeast to spruce 
497 
