Gregg, R.E. (1969b) New species of Pheidole from Pacific Coast islands (Hymenoptera: Formi- ZOOTAXA cidae). Entomological News, 80, 93–101. 936 Groark, K.P. (2001) Taxonomic identity of “hallucinogenic” harvester ant (Pogonomyrmex califor- nicus) confirmed. Journal of Ethnobiology, 21, 133–144. Gulmahamad, H. (1995) The genus Liometopum Mayr (Hymenoptera: Formicidae) in California, with notes on nest architecture and structural importance. Pan-Pacific Entomologist, 71, 82– 86. Gulmahamad, H. (1997) Ecological studies on Cardiocondyla ectopia Snelling (Hymenoptera: For- micidae) in southern California. Pan-Pacific Entomologist, 73, 21–27. Haldeman, S.S. (1844) Descriptions of insects, presumed to be undescribed. Proceedings of the Academy of Natural Sciences of Philadelphia, 2, 53–55. Hansen, L.D. & Akre, R. D. (1985) Biology of carpenter ants in Washington State (Hymenoptera: Formicidae: Camponotus). Melanderia, 43, i–v, 1–61. Hasegawa, E. (1998) Phylogeny and host-parasite relationships in social parasitism in Lasius ants. Entomological Science, 1, 133–135. Hasegawa, E., Tinaut, A. & Ruano, F. (2002) Molecular phylogeny of two slave-making ants: Ros- somyrmex and Polyergus (Hymenoptera: Formicidae). Annales Zoologici Fennici, 39, 267– 271. Haskins, C.P. (1928) Notes on the behavior and habits of Stigmatomma pallipes Haldeman. Journal of the New York Entomological Society, 36, 179–184. Heinze, J. (1989b) A biochemical approach toward the systematics of the Leptothorax “muscorum” group in North America (Hymenoptera: Formicidae). Biochemical Systematics and Ecology, 17, 595–601. Heinze, J. (1991) Biochemical studies on the relationship between socially parasitic ants and their hosts. Biochemical Systematics and Ecology, 19, 195–206. Heinze, J. (1998 (“1995”)) The origin of workerless parasites in Leptothorax (s. str) (Hymenoptera: Formicidae). Psyche (Cambridge), 102, 195–214. Heinze, J. (1999) Male polymorphism in the ant species Cardiocondyla minutior (Hymenoptera: Formicidae). Entomologia Generalis, 23, 251–258. Heinze, J., Böttcher, A. & Cremer, S. (2004) Production of winged and wingless males in the ant, Cardiocondyla minutior. Insectes Sociaux, 51, 275–278. Heinze, J. & Hölldobler, B. (1993b) Fighting for a harem of queens: physiology of reproduction in Cardiocondyla male ants. Proceedings of the National Academy of Sciences of the United States of America, 90, 8412–8414. Heinze, J., Stahl, M. & Hölldobler, B. (1996) Ecophysiology of hibernation in boreal Leptothorax ants (Hymenoptera: Formicidae). Écoscience, 3, 429–435. Heller, N.E. (2004) Colony structure in introduced and native populations of the invasive Argentine ant, Linepithema humile. Insectes Sociaux, 51, 378–386. Helms Cahan, S. (2001) Ecological variation across a transition in colony-founding behavior in the ant Messor pergandei. Oecologia (Berlin), 129, 629–635. Helms Cahan, S., Parker, J.D., Rissing, S.W., Johnons, R.A., Polony, T.S., Weiser, M.D. & Smith, D.R. (2002) Extreme genetic differences between queens and workers in hybridizing Pogono- myrmex harvester ants. Proceedings of the Royal Entomological Society of London. Series B, 269, 1871–1877. Heterick, B.E. (2001) Revision of the Australian ants of the genus Monomorium (Hymenoptera: Formicidae). Invertebrate Taxonomy, 15, 353–459. Hickman, J.C. (Ed.) (1993) The Jepson manual. Higher plants of California. University of Califor- nia Press, Berkeley, xvii + 1400 pp. Hobbs, R. J. (1985) Harvester ant foraging and plant species distribution in annual grassland. Oeco- logia (Berlin), 67, 519–523. ANTS OF CALIFORNIA © 2005 Magnolia Press 47.