Pasimachus depressus
(Fabricius, 1787)
blue-margined ground beetle
Pasimachus depressus is a of ground beetle in the Carabidae, found in North America. The species is known to occur in the western United States, with records from Colorado and Oklahoma. It is regularly sampled at the National Ecological Observatory Network's Central Plains Experimental Range in Colorado and is stored in the NEON Biorepository. The species is part of the Pasimachus, sometimes referred to as 'warrior beetles' due to their large, formidable .
Pronunciation
How to pronounce Pasimachus depressus: //ˈpæsɪmækəs dɪˈprɛsəs//
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Distribution
North America, specifically recorded from the United States including Colorado (Central Plains Experimental Range) and Oklahoma. The has been documented at NEON field sites in the western United States.
Human Relevance
Specimens of Pasimachus depressus are regularly collected and archived in the NEON Biorepository at Arizona State University, where they are available to researchers for study. The serves as part of the standardized carabid sampling program across NEON's 81 field sites, contributing to long-term ecological monitoring data.
Similar Taxa
- Pasimachus elongatusCongeneric found in similar in northwestern Oklahoma; distinguished by differences in body proportions and elytral characteristics
- Pasimachus quadricollisAnother member of the Pasimachus; P. depressus can be distinguished by its more depressed body form as suggested by the specific epithet
More Details
Subspecies
Two are recognized: Pasimachus depressus carolinensis Casey and Pasimachus depressus depressus
Research Collections
The NEON Biorepository at Arizona State University maintains voucher specimens and extracts from this , collected using standardized pitfall trapping protocols across the 30-year NEON program