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(note large mandibles that are characteristic of this tribe)
Range: Extends northward into the southern part of the Canadian prairie provinces (Arnett & Thomas, 2000).
Similar Species: There are 11 Nearctic species of Pasimachus (Arnett & Thomas, 2000), most of the species are margined with blue.
Texas Taxa:
Pasimachus californicus Chaudoir
Pasimachus depressus (Fabricius)
Pasimachus duplicatus LeConte
Pasimachus elongatus LeConte
Pasimachus punctulatus Haldeman
Photos: Pasimachus elongatus, the blue-lined ground beetle - Dan Johnson
References:
Alexander, R.D. 1959. The courtship and copulation of Pasimachus punctulatus Haldeman (Coleoptera: Carabidae). Ann. Entomol. Soc. Am., 52: 485.
Arnett, R.H. Jr., & M. C. Thomas. (editors). 2000. American
Beetles, Volume I:
Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia.
CRC Press. 464 pp.
Banninger, M. 1950. The subtribe Pasimachina (Coleoptera, Carabidae, Scaritini). Revista de Entomologia, 21(3): 481-511.
Davidson, B. S., T. Eisner, B. Witz & J. Meinwald. 1989. Defensive secretion of the carabid beetle Pasimachus subsulcatus. Journal of Chemical Ecology 15(6): 1689-1697.
Choate, P.M. 2001. Manual for the Identification of the Ground Beetles (Coleoptera: Carabidae) (including tiger beetles) of Florida. University of Florida, Gainesville. Pre-publication manuscript. 90 pp.
McCullough, B.T. 1972. Analysis of the defensive scent fluid of Pasimachus elongatus (Coleoptera: Carabidae). Ann. Entomol. Soc. Am. 65:772.
Thompson, R.G. & R.T. Allen. 1974. Descriptions of larval Carabidae. The Coleopterists Bulletin, 28(4): 185-201.
Weeks, R.D., Jr. & N.E. McIntyre. 1997. A comparison of live versus kill pitfall trapping techniques using various killing agents. Entomologia Experimentalis et Applicata, 82(3): 267.
White, R.E. 1983. A Field Guide to the Beetles of North America. Houghton Mifflin Company, Boston. 368 pp.
18 Jan 2007 © Mike Quinn / Texas Entomology / Texas Beetles / Texas Beetle Photos /