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black-faced bush cricket

Orocharis nigrifrons T. Walker 1969

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map male head face
11 s of calling song; male from Manatee Co., Fla.; 25.2°C. (WTL684-8)
 Click on sound bar to hear graphed song.
Sound spectrogram of 2 s of calling at 25.2°C (from WTL684-8). Dominant frequency 4.8 kHz.
Song at 25°C: Tinkling, melodious trills lasting 1–3 sec. Pulses within trill are paired. Rates are 10 pr/s and (within pairs) 42 p/s.
Identification: Length 15-18 mm. Ocellar diameter less than distance between lateral and median ocellus; weakly developed projections at ocelli; no bristles longer than 0.1 mm on head behind lateral ocelli. Face entirely black medially. Stridulatory file has 98-110 teeth.
Similar species: Keys and three-horned bush crickets (O. diplastes and O. tricornis)—some bristles longer than 0.1 mm on head behind lateral ocelli; stridulatory file with 110–145 teeth.
Habitat: Black mangrove; occasionally other mangroves.
Season: Perhaps year-round (records are Mar.–Sept.).
More information:
subfamily Eneopterinae, genus Orocharis
Nomenclature: OSF (Orthoptera Species File Online)
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