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artificial shoot-pruning, simulating pine-slioot beetle attack]. Sveriges Lantl>ruksuniversitet, Skogsentomologiska Rapporter 2:1-26. 0*
__19S3a. Life cycles and shoot feeding of the pine
shoot bectles. Studia Forestalia Suecica 163:1-29.
(hb).
__19S3h. Witliin-tree development of Tomicus minor (Hart.) (Col., Scolytidae) in wind-thrown Scots pine. Acta Entomologica Fennica 42:42-46. (ec hb).
__ 1984. Windthrown Scots pines as brood materiał
for Tomicus piniperda and T. minor. Silva Fennica 18(2): 187- 198. (ec).
Lancstrom. Bo. C. Hellqvist, and B Ehnstrom 1984. Fordelningoch produktion av margborrar i tallval-tor [Distribution and production of Tomicus piniperda in pine wood stacks]. Sveriges SkogsvardsforbundsTidskriftS2(l):23-35. (cn hb).
Lanier. Gerald Norman 1966. lnterspeeific mating and cytological studies of closely relatcd species of Ips DeGeer and Orthotomicus Ferrari (Coleoptera: Scolytidae). Canadian Entomologist 98(2): 175-1SS. (bv).
*__ 1967a. Biosystematic, cytological, and sex ratio
studies of closely related bark bectles (Coleoptera: Scolytidae). Unpublishcd dissertation, University ofCalifornia, Berkeley. llOp. ().
__ 1967b. Ips plastographus (Coleoptera: Scolytidae)
tunnelling in sapwood of lodgepole pine in Califor-nia. Canadian Entomologist 99(12): 1334-1335. (hb).
--196S. Biosystematic, cytological and sex ratio
studies of closely relatcd bark beetles (Coleoptera: Scolytidae). Dissertation Abstracts 28(10-B): 4167. (bv).
-- 1970a. Biosystematics of the genus Ips (Cnleop-
tera: Scolytidae) in North America: llopping’s Croup Ili. Canadian Entomologist 102:1404-1423. (bv hb tx).
-- 1970b. Biosystematics of North American Ips (Co-
Icoptera: Scolytidae): Hopping s Group IX. Canadian Entomologist 102:1139-1163. (bvhb t.\).
-- 1970c. Sex pheromones: abolition on specificity in
hybrid bark beetles. Science 169(3940):71—72. (bv).
--1971. Cytoplasmic incompatibility and breeding
isołation in bark beetles (Coleoptera: Scolytidae). Canadian Journal of Cenetics and Cytologv 13(1): 160-163. (ay bv).
-- 1972. Biosystematics of the genus Ips (Coleoptera:
Scolytidae) in North America: Ilopping’s Groups IVand X. Canadian Entomologist 104(3):361-388. (bv hb tx).
-- 1973. Biosystematics of Ips: an excursion into the
sex lifeof bark beetles. Northeastern Forest Insect Work Conference, Proceedings, 3-5 April 5: 42-48. (bv).
--197S. Bchavior-modifying Chemicals as a basis for
inanaging bark beetles of urban importance. Pages 295-310 in C. W. Frankie and C. S. Koehler (eds.), Perspectives in urban entomology. Aca-demic Press, New York. xvi + 417 p. (bv cn).
-- 1979. Proteetion of elm groves by surrounding
them with multilure-baited sticky traps. Entomo-logical Society of America, Bulletin 25(I): 109— 111. (cn).
__19Sla. Bchavior-modifying Chemicals in Dutch
elm disease vector control. Pages 371-394 in E. S. Kondo, Y. llirastsuka, and W. B. C. Denyer (eds.), Proceedings of the Dutch elm disease sym-posium and workshop. Canada Department of the Environment/Manitoba Department of Natural Resources. x 4- 517 p. (bvcn).
__I981h. Cytotaxonomy of Dendrocłonus. Pages
33-66 in M. W. Stock, Application ofgenetics and cytology in insect systeinatics and evolution. Entomology Society of America, Proceedings of a symposium (Atlanta), 1-2 December 1980. Wildlife and Rangę Experiment Station, Univer-sity of Idaho, Moscow. 152 p. (ay t.\).
--I9Slc. Pheromone-baited traps and trap trees in
the integrated management of bark beetles in urban areas. Pages 115-131 in E. R. Mitchell (ed.), Management of insect pests with semiochemicals. Plenum Publishing Corporation, New York. 514 p. (bv cn).
__ 1982. Dutch elm disease, a postscript. Arnoldia
42(2):78-87. (cn).
--19S3a. Book review: The bark and ambrosia
beetles of North and Central America (Coleoptera: Scolytidae), a taxonomic monograph. Forest Science 29:449-450. (ms).
--19S3b. lntegration ofvisual stimuli, host odorants,
and pheromones by bark bectles and wecvil$ in locating and colonizing host trees. Pages 159-171 in S. Ahmad(ed.), Herl>ivorous insects: host-seek-ing behavior and mechanisins. Academic Press, New York. 257 p. (bv hb).
•Lanier. Gerald Norman. L. P Abrahamson. and H. SchoenECK 1983. The role of insects in the dy-namics of Sderoderris canker in New York. Pages 114-121 in P. D. Manion(ed.), Forestry Sciences: Sderoderris canker ofconifers. Proceedings of an International symposium, Syracuse. Martinus Ni-jhoff/Dr. W. Junk Publishers, The Hague, Netherlands. ().
Lamer. Gerald Norman. Martin C. Birch, Richard F. SCHMłTZ, AND MALCOLM MaCFaRLANE FuRNISS. 1972. Pheromones of Ips pini (Coleoptera: Scolytidae): variation in respnn.se among three popula-tions. Canadian Entomologist 104(12): 1917-1923. (bv ec).
Lanier, Gerald Norman, and Wendell E. Burk-holder 1974. Pheromones in speciation of Coleoptera. Pages 161-1S9 in M. C. Birch (ed.), Pheromones. North Holland, Amsterdam. 495 p. (bv).
Lanier. Gerald Norman, and Brian W Burns. 1978. Barometric flux. Effects on the responsiveness of bark beetles to aggrcgation attractants. Journal of Chemical Ecology 4(2):139-147. (bv).
Lanier, Gerald Norman, and E. Alan Cameron. 1969. Secondary se.\ual characters in the North American species of the genus Ips (Coleoptera: Scolytidae). Canadian Entomologist 101{8):862-870.
Lanier. Gerald Norman. Alf Classon. Thomas Stewart. John J Piston. and Robert Milton Silver-STEIN. 1980. Ips pini: the basis for interpopula-tional differences in pheromone biology. Journal of Chemical Ecology 6(3):677-6S7. (bv).