Exochomus fasciatus
Casey, 1899
Batman Lady Beetle
Exochomus fasciatus is a small lady beetle in the Coccinellidae, commonly known as the Batman Lady Beetle. measure 2.60-3.70 mm in length. The exhibits variable color patterning that may resemble either Exochomus marginipennis or typical specimens of Exochomus childreni. It is known from southern California and has been recorded from North America more broadly.

Pronunciation
How to pronounce Exochomus fasciatus: /ˌɛksəˈkoʊməs fæˈʃiˌeɪtəs/
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Identification
May be confused with Exochomus marginipennis or Exochomus childreni due to overlapping color pattern variants. Accurate identification requires examination of specific morphological characters not detailed in available sources. The small size (2.60-3.70 mm) and variable patterning necessitate careful comparison with reference specimens or specialized keys for the Exochomus.
Images
Distribution
Recorded from North America, with confirmed occurrence in southern California. Distribution records indicate presence across North America, though specific locality details beyond southern California are not documented in available sources.
Similar Taxa
- Exochomus marginipennisColor pattern of some E. fasciatus specimens resembles that of E. marginipennis
- Exochomus childreniSome E. fasciatus specimens show patterning similar to typical E. childreni specimens
More Details
Taxonomic Note
The specific epithet 'fasciatus' (meaning banded) likely refers to the banded or patterned appearance, though the exact nature of these bands is not described in available sources. The 'Batman Lady Beetle' presumably derives from a dark pattern resembling the Batman logo on the , though this is inferred from the common name rather than explicitly documented.
Sources and further reading
- BugGuide
- Wikipedia
- GBIF taxonomy match
- iNaturalist taxon
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