Dytiscus marginicollis
LeConte, 1844
giant green water beetle
Dytiscus marginicollis, commonly known as the giant green water , is a in the . It is among the larger in the Dytiscus and is distributed across North America. Like other members of its genus, it is an aquatic inhabiting freshwater systems.
Pronunciation
How to pronounce Dytiscus marginicollis: //dɪˈtɪskəs mɑːrˌdʒɪnɪˈkɒlɪs//
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Specific diagnostic features for D. marginicollis are not documented in the provided sources. The name "marginicollis" (margin-necked) suggests a distinctive marginal feature on the or neck region that may aid in separation from . Identification to species level within Dytiscus typically requires examination of male and detailed morphological analysis.
Habitat
Freshwater aquatic environments including ponds, lakes, and slow-moving streams. As a member of the Dytiscus, it requires permanent or semi-permanent water bodies with adequate availability.
Distribution
North America, with records from Canada (Alberta, British Columbia) and the United States.
Similar Taxa
- Other Dytiscus speciesCongeneric share the large size, streamlined body form, and aquatic predatory habits. Differentiation requires detailed morphological examination, particularly of the pronotal margins and male .
- Cybister spp.Another of large with similar size and aquatic habits. Dytiscus typically have a more rounded body outline and different elytral .
More Details
Taxonomic authority
The was described by John Lawrence LeConte in 1844, a prominent who described numerous North American .
Observation frequency
The has 253 observations recorded on iNaturalist, indicating it is encountered with moderate frequency by naturalists, though less commonly than some widespread .