Nephus intrusus
(Horn, 1895)
Nephus intrusus is a small dusky lady beetle in the Coccinellidae, first described by Horn in 1895. The was formerly classified under the Scymnobius but is currently placed in Nephus. It is known from limited observations in North America, with documented records from Ontario, Canada. Like other members of the Scymninae, it likely preys on scale insects and , though specific ecological studies are sparse.
Pronunciation
How to pronounce Nephus intrusus: /ˈnɛfəs ɪnˈtruːsəs/
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Distribution
Documented from North America, specifically Ontario, Canada. GBIF records indicate presence in this region, though the full extent of its range remains poorly characterized due to limited collection and observation data.
Similar Taxa
- Other Nephus speciesSmall size, dusky coloration, and Scymninae body form shared among ; precise identification requires examination of male genitalia and other subtle morphological characters.
- Scymnus speciesOverlapping size range and general appearance; distinguished by antennal club structure and other fine morphological details.
More Details
Taxonomic history
The was originally described as Scymnobius intrusus Horn, 1895, and later transferred to the Nephus. The genus Scymnobius is now considered a synonym of Nephus by most modern classifications, though some sources may still use the older combination.
Data limitations
With only 11 observations on iNaturalist and limited GBIF records, this is poorly known. Most aspects of its —including preferences, associations, and seasonal activity—remain undocumented in the accessible literature.