Publications

                          Hansen, L.D. and R.F. Harwood. 1968. Comparisons of diapause and nondiapause larvae of the codling moth, Carpocapsa pomonella.  Ann. Entomol. Soc. Amer. 61: 1611-7.

                          Hansen, L.D. 1978. Pesticide Prelicense Workshop: Workbook for Washington State Pesticide Examinations.  Spokane, WA: Spokane Falls Community College. 41 p.

                          Akre, R.D., L.D. Hansen, H.C. Reed and L.D. Corpus. 1981. Effects of ash from Mt. St. Helens on ants and yellowjackets.  Melanderia 37: 1-20.

                          Hansen L.D. 1982. About the carpenter ant.  Whitmire Pest Management Quarterly.  1(2):3-4.  (Reprinted Autumn 1991, Tennessee Pest Control Association Bulletin.)

                          Hansen, L.D. 1982. Carpenter ants. Davenport, WA: Hansen Research & Consulting Services. 1 p.

                          Akre, R.D., L.D. Hansen, and H.C. Reed. 1982. Effects of Mt. St. Helens ash on Hymenoptera.  p. 235 In Keller, S.A.C. (Ed.),  Mount St. Helens: One Year Later. Cheney, WA: Eastern Washington University Press. 243 p.

                          Hansen, L.D.  1983.  Ant crickets of the genus Myrmecophilus (Orthoptera; Gryllidae).  Proc. Wash. State Entomol. Soc.  45: 651-653.

                          Hansen, L.D. 1984. Carpenter ants:  Biology and control.  Pest Control Technology.  12(4): 56-58.

        Akre, R.D., L.D. Hansen, and A.L. Antonelli. 1984. Carpenter ants: Their biology and control.  Coop. Ext. Pub. 0818 Washington State University.  6 p.

                          Hansen, L.D. 1984. Carpenter ant infestations in Washington.  Proc. Wash. State Entomol. Soc. 46: 715-716.

                          Hansen, L.D. 1985. Biology of carpenter ants in Washington State.  Ph.D. Dissertation Washington State University, Pullman, WA.  140 p.

                          Hansen, L.D. and R.D. Akre. 1985. Biology of carpenter ants in Washington State. (Hymenoptera: Formicidae: Camponotus).  Melanderia 43:1-62.

                          Hansen, L.D. 1986.  Workbook: Washington State Pesticide Examinations. Davenport, WA: Hansen Research & Consulting Services. 58 p.

                          Hansen, L.D. 1987. Tent fumigation not appropriate for carpenter ant control.  Entomol. Newsletter for County Agents.  Coop. Ext. Washington State University.  July (3):13.

                          Akre, R.D. and L.D. Hansen. 1988. Carpenter ants.  Proc. Second Natl. Conf. Urban Entomol. College Park, MD. 1988: 59-63.

                          Hansen, L.D. 1989. Efficacy of perimeter sprays used to control carpenter ants.  Proc. Washington State Entomol. Soc. 51: 909-910.

                          Akre, R.D., C.A. Ramsey, and L.D. Hansen. 1989. Inexpensive, portable vacuums used in collections of ants in the field and laboratory.  Pan-Pac. Entomol. 65: 352-356.

                          Hansen, L.D. 1989. Control approach for carpenter ants.  Entomol. Newsletter for County Agents.  Coop. Ext. Washington State University.  January (1): 10.

                          Akre, R.D., L.D. Hansen, and A.L. Antonelli. 1989. Carpenter ants: Their biology and control.  Coop. Ext. Pub. 0818, Washington State University. 6 p.

                          Hansen, L.D. 1989. Carpenter ants. Davenport, WA: Hansen Research & Consulting Services. 1 p. 

                          Hansen, L.D. and R.D. Akre. 1990. Carpenter ant biology, Chapter 26.  In Vander Meer, R.K., K. Jaffe, and A. Cedeno (Eds.). Applied Myrmecology: A World Perspective.  Westview Press, Boulder, CO. 741 p.

                          Akre, R.D. and L.D. Hansen.  1990.  Management of carpenter ants, Chapter 65.  In Vander Meer, R.K., K. Jaffe, and A. Cedeno (Eds.).  Applied Myrmecology: A World Perspective.  Westview Press, Boulder, CO. 741 p.

                          Akre, R.D., L.D. Hansen, and R.S. Zack. 1991. Insect Jewelry.  Amer. Entomol.  37(2): 90-95.

                          Akre, R.D. and L.D. Hansen. 1992. Outreach program of the education and training committee to encourage the use of insects in science teaching. Amer. Entomol. 38 (1): 6.

                          Hansen, L.D. 1993. Carpenter ants and urban pest management. Pest Control Technology. 21 (3): 52-55.

                          Hansen, L.D. and R.D. Akre. 1993. Urban pest management of carpenter ants.  pp. 271-279.  In Wildey, K. B. and W. H. Robinson (Eds.).  Proc. 1st Internatl. Conf. Insect Pests Urban Environment.  498 p.

                          Hansen, L.D., R.D. Akre, and E.A. Myhre. 1993. Homes away from home. Science and Children. 31 (1): 28-31

                          Hansen, L.D., R.D. Akre, and E.A. Myhre. 1993. Ideas for Insect Containers (Youth).  Entomol. Newsletter for County Agents. August (2) :1-13.

                          Akre, R.D., L.D. Hansen, and E.A. Myhre. 1994. Do you know where your parents are?  Pest Control Technology 22 (5): 44, 46, 55, 58, 60, 64.

                          Akre, R.D., L.D. Hansen, and E.A. Myhre. 1994. Colony size and polygyny in carpenter ants (Hymenoptera:Formicidae).  J. Kans. Entomol. Soc. 67 (1): 1-9

                          Akre, R.D. and L.D. Hansen. 1994. Finding the parent colony. Proc. Natl. Conf. Urban Entomol. 1994: 115.

                          Hansen, L.D. and R.D. Akre. 1994. Pest species of carpenter ants in North America.  Proc Natl. Conf. Urban Entomol.  1994: 117.

                          Hansen, L.D. 1995. Carpenter ant control. Pest Intelligencer, Newsletter Wash. State Pest Control Assoc..  7(3): 10-11.

                          Akre, R.D., L.D. Hansen, and E.A. Myhre. 1995. The collection and maintenance of ants to use for teaching.  Kans. School Nat. 41 :3-8.

                          Akre, R.D. and L.D. Hansen. 1995. Home Wreckers. Pest Control Technology 23(1): 54-57, 60, 77.

         Akre, R.D., L.D. Hansen, and E.A. Myhre. 1995. My house or yours: The biology of carpenter ants.  Amer. Entomol: 41: 22-226

         Hansen, L.D. 1995. Distribution and categorization of Camponotus spp. north of Mexico as nuisance or structurally damaging pests. Proc. 5th Intern. Ant Pests Symposia and Annual Imported Fire Ant Conference. 5: 18-26.

         Klotz, J., B. Reid, L. Hansen, and S. Klotz. 1996. Ecology to control carpenter ants.  Pest Control 64(6): 46, 48, 50.

         Hansen, L.D. 1996. Colony size, queen number, and queen recruitment in carpenter ants (Camponotus spp.). Proc. Natl. Conf.  Urban Entomology.  1996: 18-20.

         Hansen, L.D. 1996. Managing carpenter ant populations in urban environments.  pp. 587-595.  In Wildey, K.B. (Ed.). Proc. 2nd Internatl. Conf. Insect Pests Urban Environment.  640 p.

         Hansen, L.D. 1997. Queen recruitment in carpenter ants. Pest Intelligencer, Newsletter Wash. State Pest Control Assoc..  9(1): 5.

         Hansen, L.D.  1997.  Efficacy tests and residual activity of Tempo D (0.1%), Tempo 20 WP, Delta Dust (0.05%), and Ficam (1%) dusts applied to test wall panels in carpenter ant control–1997 annual report. Pest Intelligencer, Newsletter Wash. State Pest Control Assoc.  9(4): 4.

         Hansen, L.D. 1997. ’96 survey of ants seen in the Northwest. Pest Intelligencer, Newsletter Wash. State Pest Control Assoc.  9(1): 9, 11.

         Hansen, L.D. and M. Gaver. 1998. Discovering Insects, A Module for Fourth Grade,  Student Activity Book. Spokane, WA: Spokane Falls Community College. 51 p.

         Hansen, L.D. and M. Gaver. 1998. Discovering Insects, A Module for Fourth Grade, Teacher’s Guide. Spokane, WA: Spokane Falls Community College. 75 p.

         Hansen, L.D. and D.B. Thies. 1998. Carpenter ant mortality in laboratory tests when exposed to wood treated  with ACZA.  Amer. Wood Preserv. Assoc..  9 p.

          Hansen, L.D. 1998. ’98 carpenter ant efficacy tests and residual activity Tempo WP in wall voids–continuation of tests begun in ’97. Pest Intelligencer, Newsletter Wash. State Pest Control Assoc. 10(4): 4-5.

         Koltz, J.H., L.D. Hansen, B.L. Reid and S.A. Klotz. 1999 Carpenter Ants. Kans. School Nat.  45(4): 3-16.

         Hansen, L.D., W.J. Spangenberg, and M.M. Gaver. 1999. The infrabuccal chamber of Camponotus modoc (Hymenoptera:Formicidae): Ingestion, digestion, and survey of bacteria. p. 211-219.  In Robinson, W.H., F. Rettich, and G.W. Rambo (Eds.).  Proc. 3^rd Internatl. Conf. Pests.  679 p.

          Hansen, L.D. 1999. 1999 tests for efficacy and residual activity of TempoWP in wall voids in carpenter ant control–continuation of tests initiated in 1997. Pest Intelligencer, Newsletter Wash. State Pest Control Assoc.  11(4): 16-17.

          Hansen, L.D. and J.H. Klotz. 1999. The name game can wreak havoc on ant control methods. Pest Control 67(6): 66, 68.

          Hansen, L.D. 2000. Successful bait development is more than a matter of taste.  Pest Control 68(5): 52, 54, 58.

          Hansen, L.D. 2001.  Carpenter ant; a Coast-to-Coast nemesis. PCT, Service Technician. May 2001: 25-26

          Hansen, L.D. 2002.  Carpenter ant update. Pest Control Technology 30(4) 56, 58, 60, 62, 80. 

          Hansen, L.D. 2002.  Efficacy of different baiting matrices as tools in the management of carpenter ants (Hymenoptera: Formicidae). p. 283-287. In Jones, S.C., J. Zhai, and W. H. Robinson (Eds.). Proc. 4th Internatl. Conf. Urban Pests. 496 p.

          Hansen, L. D. and A. L. Antonelli. 2005.  Carpenter ants: Their biology and control. WSU Coop. Ext. Bull. 0818. 6p.

          Hansen, L.D. and J. H. Klotz. 2005.  Carpenter Ants in United and Canada. Ithaca, NY: Comstock Publishing Associates. 204 pp.

          Hansen, L. D. 2005.  The old and the new. Pest Control Technology 33(4): 38, 40, 43, 44, 46.

          Hansen, L.D. 2005.  Shifts in carpenter ant (Hymenoptera: Formicidae) management strategies with introduction of new management tools and applicaiotn techniques. p. 85-89. In C.-Y. Lee and W. H. Robinson (Eds.). Proc. 4th Internatl. Conf. Urban Pests. 496 p.

          Gaver, M.M. and L. D. Hansen. 2005.  Efficacy of insecticides to control Tegenaria agresits and Latrodectus hesperus (Araneae: Agelenidae and Theridiidae). P. 375-379. In C.-Y. Lee and W. H. Robinson (Eds.). Proc. 4th Internatl. Conf. Urban Pests. 496 p.

          Nishimura, T.E., M. Coffelt, and L.D. Hansen. 2005.  Field evaluation of fipronil and chlorfenapry for management of odorous house ants (Hymenoptera: Formicidae). p. 135-139. In C.-Y. Lee and W. H. Robinson (Eds.). Proc. 4th Internatl. Conf. Urban Pests. 496 p.