Gryllus vernalis
Blatchley, 1920
Northern Wood Cricket
Gryllus vernalis, the northern wood , is a of to deciduous woodlands of the midwestern United States. It is distinguished by its predominantly black , occasionally marked with red on the , and a notably wide . The species inhabits leaf litter and shows evidence of reproductive isolation mechanisms, particularly strong female discrimination against heterospecific mates in .
Pronunciation
How to pronounce Gryllus vernalis: //ˈɡrɪl.lus vɛrˈnaː.lɪs//
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Identified by its totally black with occasional red on the and a wide . The is slightly narrower than the pronotum. are all black and appear in early spring as late- individuals.
Habitat
Deciduous woods of the midwestern United States, primarily in leaf litter.
Distribution
Midwestern United States; recorded from Alabama, Arkansas, Illinois, Indiana, and Kentucky.
Seasonality
active in spring; late- observed in early spring.
Similar Taxa
- Gryllus fultoniClosely related wood with similar three-pulse chirp calling-song structure; occurs sympatrically with G. vernalis and subject to reproductive character displacement studies.
Sources and further reading
- BugGuide
- Wikipedia
- GBIF taxonomy match
- iNaturalist taxon
- NCBI Taxonomy
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- Reproductive Isolation in the Wood Cricket Gryllus vernalis (Orthoptera: Gryllidae)