1147. 
1148. 
1149. 
1150. 
hol 
1154. 
516 
. Steinhaus, E. A. 
morphism in the Putnam’s scale, 
Aspidiotus ancylus (Homoptera: 
Coccoidea). Ann. Entomol. 
Soc. Am. 58(4):573-576. 
Starks. Bod. -an@ 1D. darper. 
1982. Pupal mortality in forest 
tent caterpillar (Lepidoptera: 
Lasiocampidae): causes and im- 
pact on populations in south- 
western Alabama. Environ. En- 
tomol. 11:1071-1077. 
Stearns, L. A. 1923. Family 
Cercopidae. /n Guide to the in- 
sects of Connecticut. Part IV. 
The Hemiptera or sucking in- 
sects of Connecticut. W. E. Brit- 
ton. State of Conn., State Geol. 
& Nat. Hist. Surv. Bull. 34, 
p. 206-238. 
Stehr, FF W.;-and:E. FE «Cook. 
1968. A revision of the genus 
Malacosoma Hubner in North 
America (Lepidoptera: 
Lasiocampidae): Systematics, 
biology, immatures, and para- 
sites. U.S. Natl. Mus. Bull. 
276, 321 p. 
Stehr, G. W. 1967. On co- 
niferophagous species of 
Choristoneura (Lepidoptera: 
Tortricidae) in North America. 
Il. Geographic distribution in 
accordance with forest regions. 
Can. Entomol. 99(5):456-463. 
Sieh: Wo C1930. The Coc- 
cinellidae (ladybird beetles) of 
Minnesota (Coleoptera). Univ. 
Minn. Agric. Exp. Stn., Tech. 
Bull. 75, 54 p. 
Stein, J. D. 1974. Elm sawfly. 
U.S. Dep. Agric. For. Serv., 
For Pest Leal’ 142. 6 p: 
1949. Princi- 
ples of insect pathology. 757 p. 
McGraw-Hill Book Co., Inc., 
New York, Toronto, London. 
Steinweden, J. B. 1929. Bases 
for the generic classification of 
the coccoid family Coccidae. 
Ann. Entomol. Soc. Am. 
22(2):197-245. 
) stephen, & -M.. J. .L. Searcy, 
and G. D. Hertel, eds. 1980. 
Modeling southern pine beetle 
Blister 
P57. 
1158. 
BIS? 
1160. 
1161. 
1162. 
biG, 
1164. 
£TO5: 
populations: symposium pro- 
ceedings. [Asheville;= N.€.~ 
February 19307], U.S. Dep. 
Agric: For: Serv., Tech. Bull. 
1630, 174 p. 
Stephens, G. ‘R. 1971. The rela- 
tion of insect defoliation to mor- 
tality in Connecticut forests. 
Conn. Agric. Exp. Stn. Bull. 
1234, 1402p: 
Stephenson, A. G. 1980. Fruit 
set, herbivory, fruit production, 
and the fruiting strategy of Caral- 
pa speciosa (Bignoniaceae). 
Ecology 61:57-64. 
Stevens, RK. E.; arid R. W. 
Stark. 1962. Sequential sam- 
pling for the lodgepole needle 
miner, Evagora milleri. J. Econ. 
Entomol. 55(4):491-494. 
Stillwell, M. A. 1966. Wood- 
wasps (Siricidae) in conifers and 
the associated fungus, Stereum 
chailletii, in eastern Canada. 
For Sci,. 12:121-128. 
Stillwell, M. A. 1967. The 
pigeon tremex, 7remex columba 
(Hymenoptera: Siricidae), in 
New Brunswick. Can. Entomol. 
99:685-689. 
Stimmann, M. W. 1969. Sea- 
sonal history of a unisexual pop- 
ulation of the pine needle scale, 
Phenacaspis pinifoliae. Ann. 
Entomol. Soc. Am. 62(4): 
930-931. 
Stmmel, J. F 1979. Seasonal 
history and distribution of Car- 
ulaspis minima (Targ.-Tozz.) in 
Pennsylvania. Proc. Entomol. 
Soc. Wash. 81:222-229. 
Stimmel, J. F 1981. First record 
of the red pine scale, Matsucoc- 
cus resinosae, from Pennsylva- 
nia. Proc. Entomol. Soc. Wash. 
83:804. 
Stimmel, J. F 1982. Seasonal 
history of the white peach scale, 
Pseudaulacaspis pentagona, in 
northeastern Pennsylvania. 
Proc: Entomol: «Soc. Washi, 
84:128-133. 
Stock, M. W., and P. J. Cas- 
trovillo. 1981. Genetic rela- 
