tamarack tree cricket
Oecanthus laricis T. Walker 1963

 
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male
male
 

8 s of calling song [691KB]; male from Livingston Co., Michigan.; 26.7C. (UMMZ tape 1103, by permission)


Sound spectrogram of 1 s of calling at 26.7°C (from UMMZ tape 1103). Dominant frequency 3.5 kHz.
Click on spectrogram to hear graphed song.


Identification:  Length 13-15 mm. Head, pronotum, and legs brown; forewings green (but the green fades in pinned specimens); length of forewings <12 mm.

Habitat:  On tamarack in southeastern Michigan and hemlock in northeastern Ohio.

Season:  August and September; one generation annually.

Song at 25°C:  A continuous trill at 37 p/s; carrier frequency 3.4 kHz.

Song data:  See Walker 1963.

Similar species:  Pine tree cricket—on pine and balsam fir; length of forewings >12 mm.

More information:  genus Oecanthus, subfamily Oecanthinae.

References and Links:  Walker 1963. Collins 2010-date.

Nomenclature:  OSF (Orthoptera Species File Online).