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Identification:
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LENGTH:
LENGTH As used in descriptions of whole insects on this site, length was measured with dial calipers from the head of the specimen to the tips of the forewings (at rest) or to the tip of the abdomen, whichever was longest. In females, the measurement excluded the ovipositor but included the subgenital plate. In males, the measurement included any ventral or dorsal abdominal process.
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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