Ataenius carinator
Harold, 1874
Ataenius carinator is an aphodiine in the , described by Harold in 1874. It is distributed across the Neotropical region, including the Caribbean, Central America, North America, and South America. The belongs to a commonly associated with and decaying matter . Limited specific ecological data exists for this species.
Pronunciation
How to pronounce Ataenius carinator: /əˈtiːniəs ˌkærɪˈneɪtər/
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Identification
As an Ataenius , A. carinator can be distinguished from similar by characteristics typical of the : small size (usually 3–6 mm), oval to elongate body shape, and aphodiine features including reduced elytral and specific structure. Definitive identification to species level requires examination of male and comparison with , as external among Ataenius species is often subtle. Distinguished from the congeneric A. spretulus (a known turfgrass pest) by geographic range and presumably by subtle morphological differences in pronotal and elytral sculpturing.
Habitat
Specific details for A. carinator are not documented. Based on -level associations, Ataenius typically inhabit , decaying matter, compost, and similar substrates. The species has been recorded in tropical and subtropical regions of the Americas.
Distribution
Neotropical distribution including: Bolivia, Colombia, Ecuador, El Salvador, Guyana, Mexico (Tabasco), Panama, Peru, Suriname, Venezuela, and the West Indies. Presence confirmed in Caribbean, Middle America, North America, and South America regions.
Similar Taxa
- Ataenius spretulusCongeneric known as a turfgrass pest; A. carinator distinguished by broader Neotropical distribution versus A. spretulus which is primarily Nearctic and associated with temperate turfgrass systems
More Details
Taxonomic note
Ataenius carinator was described by Edgar von Harold in 1874. The epithet 'carinator' refers to keeled or ridged structures, likely describing pronotal or elytral sculpturing characteristic of this species.