Identification:
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Length 17–26 mm. Male subgenital plate with prominent, ventrally directed process that is not terminally cleft.
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Habitat:
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High altitude sagebrush prairie and open forests of lodgepole pine and subalpine fir.
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Season:
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June–Aug.
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Song at 25°C:
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A succession of short trills consisting of short duration pulses produced at a rate of about 54/s. The carrier frequency is nearly pure and about 13 kHz. Males call at night and stay within a meter of the forest floor. Calling occurs at temperatures as low as 2°C!
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Similar species:
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C. monstrosa has the ventrally directed process of male subgenital plate shaped like the nail-pulling claw of a hammer.
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More information:
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Family Prophalangopsidae.
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References:
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Eggert & Sakaluk 1994, Mesa & Ferreira 1984, Morris et al. 1978, Sakaluk et al. 1987, Sakaluk & Snedden 1990, Sakaluk et al. 1995, Snedden & Sakaluk 1992, Snedden & Irazuzta 1994, Snedden 1996.
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Nomenclature:
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OSF (Orthoptera Species File Online).
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