Other Common Names
'Orange-spotted Lady Beetle'
Synonyms and other taxonomic changes
Brachiacantha ursina (Fabricius)
Orig. Comb: Cocinella ursina Fabricius
Five spots on each elytron, which are finely punctured, so slightly dull. Body more elongated than most others in genus.
"The combination of large size and elongate, oval body form will separate ursina
from other eastern Brachiacantha
having the same color pattern" (2)
Prominent side-facing spine on front tibia (middle section of front leg):
Markings occasionally become confluent, so to resemble Brachiacantha illustris and albifrons from further west.
Roughly a triangle from SC-NB-AB, + 1 record from LA - Map (2)(1)
Often associated with milkweed, Asclepias (3)(4)
mostly: May-July (BG data)
This is the most commonly collected e. sp. of Brachiacantha
, but the dorsal color pattern is remarkably uniform. (2)
B. decempustulata - e. NA (TX-FL-NB-ND) - 2.0-2.5 mm (smaller), elytral spots pale yellow or white.
B. felina - e US (except coastal se US) - 2.2-3.0 mm (+ syn: B. rotunda - 3.1-4.0 mm)
- ne NA (SK-SC-NB) - 3-4 mm; most common e. sp. (2)
B. testudo - c. to s. TX
B. uteella - a look-alike occurring in western US, with no overlap. Pattern paler on average.
B. illustris - Rocky Mtns (CO-MT) - 3.4-4.6 mm
Gordon, 1985, especially pp. 580-582, figures 474-475.(2)
Dillon and Dillon, p. 440, plate 42 (3)
Eaton and Kaufman, p. 154, illustration, p. 155 (5)
Montogomery, H.W. and M.A. Goodrich. 2002. The Brachiacantha
(Coleoptera: Coccinellidae) of Illinois. Transactions of the Illinois State Academy of Science 95(2): 111-130. (fig. 4--photo of specimen) Full PDF
Mantissa Insectorum, v.1, p.61
- Fabricius' original description