Texas Trans-Pecos field cricket

Gryllus transpecos Weissman & Gray 2019


map	holotype male	female

41 s of calling, from Culberson County, Tex., 25°C. Dominant frequency 4.4 kHz. Recording by D.B. Weissman (S09-64, R09-93); used by permission.

This spectrogram is a 10 s excerpt of the 41 s audio file accessible above. The excerpt begins at 14 s.

Spectrogram showing first 5 chirps of 10 s sample above.

Song:	Weissman and Gray (2019) described the song as a slow chirp with 4-5 pulses per chirp (range 3-7), 80-150 chirps per minute. Pulse rate 20-30 at 25°C.
Identification:	A key to the adult males of native US Gryllus is in Weissman and Gray (2019).
DNA:	See Gray, Weissman, et al. (2020).
Habitat:	Rocky road cuts; piñon-juniper-oak woodland; Chihuahuan desert; natural rocky slopes in and around towns. Males can be found singing under rocks and small plants and from crevices and holes.
Life cycle:	No egg diapause. Probably one generation per year.
Season:	Penultimate or last instar collected in June.
Name derivation:	Describes the geographic location, as defined by Texas geologist Robert T. Hill in 1887, where this species resides.
More information:	Subfamily Gryllinae, genus Gryllus.
References:	Weissman and Gray 2019, pp204-221, pp216-221; Gray, Weissman, et al. 2020.
Nomenclature:	OSF (Orthoptera Species File Online).