The Tibicen bifidus species complex is composed of T. b. bifidus (Davis, 1916) and T. b. simplex Davis, 1941. We analyzed biogeographical, morphological, and physiological parameters to determine if these taxa represent two species. There are significant differences in biogeography, as well as selection of host-plant and several morphological characteristics. Comparisons of their calling songs approach statistical significance. Sound-pressure level of alarm calls and thermal responses of the two taxa do not differ significantly. Our data suggest that the two taxa represent distinct species.
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1 September 2011
Elevation of a Subspecies of tibicen (Hemiptera: Cicadoidea: Cicadidae) to a Full Species
Allen F. Sanborn,
Polly K. Phillips
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The Southwestern Naturalist
Vol. 56 • No. 3
September 2011
Vol. 56 • No. 3
September 2011