Diochus schaumii
Kraatz, 1860
Diochus schaumi is a rove beetle in the Staphylinidae, originally described by Kraatz in 1860 as D. schaumii. It belongs to the D. schaumii-group, which includes four other Neotropical : D. angustiformis, D. argentinus, D. brunneus, and D. curtipennis. The species was synonymised with D. vilis Sharp, 1885. It has a broad geographic range spanning North, Central, and South America, as well as the Caribbean.
Pronunciation
How to pronounce Diochus schaumii: //ˈdaɪəkəs ˈʃaʊmi//
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Identification
Diochus schaumi is placed in the D. schaumii-group, which can be distinguished from other Diochus groups by morphological characters detailed in the taxonomic review. Members of this group share specific traits that separate them from the D. longicornis-group, D. inornatus-group, D. maculicollis-group, D. verhaaghi-group, and D. nanus-group. Specific diagnostic features for D. schaumi itself are not provided in available sources.
Images
Distribution
Canada (New Brunswick, Ontario, Quebec), United States (Alabama, Arkansas, Connecticut, District of Columbia, Florida, Georgia, Iowa, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Mississippi, Missouri, and additional eastern states), Mexico, Guatemala, Nicaragua, Rica, Panama, Guyana, French Guiana, Bolivia, Brazil, Paraguay, Argentina, Cuba, Jamaica, Dominica, Grenada, and Guadeloupe.
Similar Taxa
- Diochus vilisSynonymised with D. schaumi; previously considered a separate described by Sharp in 1885
- Diochus angustiformisMember of the same D. schaumii-group, recently described as new in the same taxonomic review
- Diochus argentinusMember of the same D. schaumii-group, recently described as new in the same taxonomic review
- Diochus brunneusMember of the same D. schaumii-group, recently described as new in the same taxonomic review
- Diochus curtipennisMember of the same D. schaumii-group, recently described as new in the same taxonomic review
More Details
Nomenclatural note
The original spelling was D. schaumii Kraatz, 1860. The spelling D. schaumi appears in some databases (e.g., NCBI, iNaturalist) but represents the same . D. vilis Sharp, 1885 was synonymised with this species in the 2017 taxonomic review.