Behavioral response to ultrasound stimulation and tympanal characterization of Megacephela carolina carolina L. (Coloeptera : carabidae) / by Bruce Edward Panneton.

Author/creator Panneton, Bruce Edward author.
Other author Daniel, Hal J., III, 1942-2017, degree supervisor.
Other author East Carolina University. Department of Biology.
Format Theses and dissertations
Production2002.
Description57 leaves, 6 unnumbered pages of plates : illustrations (some color) ; 28 cm
Supplemental ContentAccess via ScholarShip
Subjects

Summary The behavioral response of the tiger beetle, Megacephela Carolina Carolina L. to intense ultrasound stimulation was studied. These tests utilized a fixed 40 kHz, 150 dB signal to represent and simulate, generically, the echo locating calls of insectivorous bats, which are potential predators of the insect. The tests were designed to: 1) determine if the insect could detect intense ultrasound, 2) investigate the acoustic startle response (ASR) behavior of the insect and 3) determine the location of the tympanal hearing organs associated with the ultrasound detection--through ablation techniques and subsequent light-microscopic and scanning electron microscopic investigation. Results revealed the presence of tympanal hearing organs on the first abdominal tergum. The insect does respond to intense ultrasound stimulation with a host of ASR behaviors, which suggest the insect has evolved hearing organs as a direct result of the hunting pressures exerted by insectivorous bats.
General notePresented to the faculty of the Department of Biology.
General noteAdvisor: Hal J. Daniel
Dissertation noteM.S. East Carolina University 2002
Bibliography noteIncludes bibliographical references (leaves 54-57).
Genre/formAcademic theses.
Genre/formAcademic theses.
Genre/formThèses et écrits académiques.

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