Brachiacantha quadrillum
LeConte, 1858
Corner-spotted Spurleg
Brachiacantha quadrillum is a small lady beetle in the Coccinellidae, first described by LeConte in 1858. It belongs to the dentipes group within the Brachiacantha. The is known from North America, with records from Texas and additional Neotropical localities documented in recent taxonomic revisions. are characterized by distinctive coloration on the pronotum and .
Pronunciation
How to pronounce Brachiacantha quadrillum: //ˌbræ.ki.əˈkæn.θə kwɒˈdrɪ.ləm//
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Identification
Distinguished from other Brachiacantha by the combination of small size (under 5 mm), black pronotum with large reddish-yellow lateral patch, and black with reddish-yellow spots. The dentipes group, to which this species belongs, can be separated from other Brachiacantha groups by genitalic characters and leg .
Appearance
measure 3.80–4.75 mm in length. The pronotum is black with a large reddish-yellow lateral area. The are black with reddish-yellow spots.
Distribution
North America, with confirmed records from Texas. Additional Neotropical localities have been documented in recent taxonomic revisions.
Similar Taxa
- Other Brachiacantha speciesSimilar small size and general body plan; B. quadrillum is distinguished by its specific spot pattern and pronotal coloration as described by LeConte.
More Details
Taxonomic history
First described by LeConte in 1858. The was later placed in the dentipes group of Brachiacantha, a grouping defined by shared morphological characteristics including male genitalia structure and leg .