Trigonidomimus
Caudell, 1912
Belfrage's cricket (for T. belfragei)
Species Guides
1- Trigonidomimus belfragei(Belfrage's Cricket)
Trigonidomimus is a of crickets in the Gryllidae, Pentacentrinae, established by Caudell in 1912. The genus comprises five described distributed across the Americas, from the southern United States through Central America to South America. Members are classified among the 'anomalous crickets,' a group characterized by distinctive morphological features that set them apart from more typical gryllids. The genus includes the species T. belfragei, commonly known as Belfrage's .
Pronunciation
How to pronounce Trigonidomimus: //ˌtrɪɡoʊnɪˈdɑmɪməs//
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Identification
Distinguished from other Pentacentrinae by characteristics typical of 'anomalous crickets,' though specific diagnostic features for the genus are not documented in available sources. The five are differentiated based on morphological traits described in original species descriptions (Hebard 1928, Caudell 1912, Walker 1869, Chopard 1956, 1931).
Images
Distribution
Recorded from the Americas: Mexico, Oklahoma (United States), Panama, Brazil (North), and Bolivia. Distribution records are based on specimen collections and observation data from GBIF.
Similar Taxa
- TrigonidiumSimilar name in same Gryllidae; Trigonidomimus can be distinguished by authorship (Caudell, 1912) and placement (Pentacentrinae versus Trigonidiinae for Trigonidium)
- PentacentrusFellow in Pentacentrinae; -level differentiation requires examination of and original descriptions
More Details
Species List
Five described : Trigonidomimus annuliger (Hebard, 1928), Trigonidomimus belfragei Caudell, 1912, Trigonidomimus comptus (Walker, 1869), Trigonidomimus ruficeps Chopard, 1956, Trigonidomimus zernyi (Chopard, 1931)
Taxonomic Placement
Classified in Pentacentrinae, tribe-level placement not specified in available sources. The 'anomalous crickets' designation refers to morphological departures from typical gryllid form.