Rhaphiomidas acton
Coquillett, 1891
Rhaphiomidas acton is a of mydas ( ) found in southern California. It is one of three recognized species in the Rhaphiomidas. The species comprises three : R. a. acton, R. a. maculatus, and R. a. maehleri. Members of this genus are among the largest flies in North America and are of concern due to loss.
Pronunciation
How to pronounce Rhaphiomidas acton: /ræfiːoʊˈmaɪdəs ˈæktɒn/
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Distribution
Southern California, with records broadly distributed across the region. The three show some geographic partitioning: R. a. acton, R. a. maculatus (described 1941), and R. a. maehleri (described 1941).
Human Relevance
Members of the Rhaphiomidas, including R. acton, have attracted attention due to their restricted distributions and specificity. They serve as for intact sand dune and scrub habitats in California.
Similar Taxa
- Rhaphiomidas terminatusAnother in the same with overlapping southern California distribution; distinguished by subtle differences in and coloration patterns
- Rhaphiomidas mackenzieiThird recognized in the , also California ; geographic separation and morphological differences in abdominal patterning
More Details
Subspecies
Three recognized: Rhaphiomidas a. acton (nominate), R. a. maculatus Cazier 1941, and R. a. maehleri Cazier 1941. The subspecies were described based on color pattern and geographic differences.
Taxonomic history
First described by Coquillett in 1891. added by Cazier in 1941 based on material from additional localities in California.