20 s of calling song, male from Hickman County, Ky., 25.0°C. Dominant frequency 4.7 kHz. (WTL1996-20)
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Song:
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Weissman and Gray (2019) described the song with 3 (rarely 4) pulses per chirp, 135-250 chirps per minute. Pulse rate 24-31.
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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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Obligate woodland.
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Life cycle:
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No egg diapause. One generation per year.
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Season:
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Adults from early May to mid-summer.
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Name derivation:
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Latin: "vernalis" = "springtime"; in reference to its appearance as the first singing Gryllus species in Indiana.
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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,
pp119-131,
pp119-126;
Gray, Weissman, et al. 2020.
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Nomenclature:
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OSF (Orthoptera Species File Online).
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