Trogloderus vandykei
La Rivers, 1946
Trogloderus vandykei is a darkling beetle (Coleoptera: Tenebrionidae) in the psammophilic Trogloderus. Originally described as a of T. costatus from outside 29 Palms, California, it was elevated to status by Johnston (2018). The subspecific name T. costatus mayhewi was synonymized with T. vandykei. Like other members of its genus, this species is associated with sandy in the western United States.



Pronunciation
How to pronounce Trogloderus vandykei: /ˌtrɒɡloʊˈdɛrəs vænˈdaɪki/
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Identification
Distinguished from by combination of characters established in Johnston's 2018 revision. Formerly treated as T. costatus vandykei; separation from T. tuberculatus, T. verpus, and T. warneri requires examination of specific morphological traits detailed in systematic treatments.
Images
Habitat
Dunes and sandy . The Trogloderus is restricted to such environments in the western United States.
Distribution
Western United States. Type locality outside 29 Palms, California. Distribution overlaps with other Trogloderus in sandy regions of California and adjacent areas.
Similar Taxa
- Trogloderus tuberculatusOverlaps in distribution and ; distinguished by morphological characters in Johnston's revision
- Trogloderus verpusSympatric in western US dunes; requires careful examination for separation
- Trogloderus warneriCo-occurs in sandy ; differentiated in systematic treatments
- Trogloderus costatusFormerly considered as T. costatus vandykei; now recognized as distinct
More Details
Taxonomic history
Originally described as Trogloderus costatus vandykei La Rivers, 1946. Elevated to status by Johnston (2018) in the Catalogue of North American Tenebrionidae. The name T. costatus mayhewi Papp, 1961 was synonymized with T. vandykei.
Etymology
The specific epithet vandykei honors an individual (likely H.B. Van Dyke or related to Van Dyke, a prominent entomologist), though the original description should be consulted for confirmation.
Sources and further reading
- BugGuide
- Wikipedia
- GBIF taxonomy match
- iNaturalist taxon
- NCBI Taxonomy
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- The Amazing World of 'Gwentomologist' Gwen Erdosh | Bug Squad
- Meloidae Holdings | Entomology Research Museum
- Figure 10: Distribution map, Trogloderus tuberculatus Blaisdell, T. vandykei La Rivers, T. verpus Johnston n.sp., T. warneri Johnston n.sp.