mud crack field cricket

Gryllus integer Scudder 1901


map	composite map	lectotype male	lectotype male

52 s of calling, from Tulare County, Calif., 24.2°C. Dominant frequency 5.0 kHz. Recording by D.B. Weissman (S16-21, R16-60); used by permission.

This spectrogram is a 4 s excerpt of the 52 s audio file accessible immediately above. The excerpt begins at 28 s.

Song:	Weissman and Gray (2019) described the song as a series of chirps produced in intermittent bursts of 3 pulses per chirp (range 2-4) and without an introductory trill. Some individuals have a pure trill, some have a short introductory trill. Pulse rate >70.
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:	Watered lawns, dry grassy fields, cracks in concrete, dry ground, and dry lake beds, dumps, and gas stations.
Life cycle:	Two generations per year in southern part of range, probably only one generation per year in northern part of range. No egg diapause.
Season:	Spring into summer.
Name derivation:	Latin: "integer" = "whole, entire"; it is unknown why this name was chosen by Scudder.
More information:	Subfamily Gryllinae, genus Gryllus.
References:	Weissman and Gray 2019, pp101-119, pp101-110; Gray, Weissman, et al. 2020.
Nomenclature:	OSF (Orthoptera Species File Online).