29 s of calling, from Sinaloa, Mexico, 25.5°C. Dominant frequency 4.6 kHz. Recording by D.B. Weissman (S99-86, R99-211); used by permission.
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Song:
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Weissman and Gray (2019) described the song as a long trill with pulses evenly spaced. Pulse rate 30-45 at 25°C.
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Identification:
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A key to the adult males of native US Gryllus is in Weissman and Gray (2019).
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DNA:
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See Gray, Weissman, et al. (2020).
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Habitat:
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Areas of human disturbance, including rangeland; found in cracks in soil or structures.
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Life cycle:
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Apparently two field generations/year; in the laboratory, no diapause at any stage and 3-4 generations per year.
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Season:
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Adults known from June through October.
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Name derivation:
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"Regularis", in reference to the regular spacing of pulses in the trilling song.
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More information:
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Subfamily Gryllinae, genus Gryllus.
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References:
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Weissman and Gray 2019,
pp83-101,
pp97-101;
Gray, Weissman, et al. 2020.
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Nomenclature:
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OSF (Orthoptera Species File Online).
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