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Coccinellid ? - Brumus quadripustulatus

Coccinellid ? - Brumus quadripustulatus
Salt Lake City (N40°45.810'W111°51.020'ele4650'), Salt Lake County, Utah, USA
July 4, 2008
Size: 5mm
Noted pupal moults on the plant, never any beetles until this one. Overall looks like Coccinellidae, not one that seems familiar. Any suggestions?

Images of this individual: tag all
Coccinellid ? - Brumus quadripustulatus Coccinellid ? - Brumus quadripustulatus Coccinellid ? - Brumus quadripustulatus

Moved from Ladybird Beetles.

Thanks, Boris and Tim
This specimen was "hardened" when photographed (at least 24 hours), it was released afterwards. Looking over some images of other newly emerged coccinellids shows that some pattern of the taxon is visible, just not as developed. I'll try bush-wacking the small tree the pupal shucks are on and try to get more mature examples.

Bush-wacking results
from the same plant (many husks).

Exochomus quadripustulatus
now we're talking! sure looks to be Exochomus quadripustulatus, previously posted only from Washington by Cheryl Moorehead. See her info page link, but I didn't intially see any teneral ones like your all orange one. I'll check my copy of Gordon one of these days to see about the distro and add to the info page.

good idea,
it's also possible this is an introduced species. All I know about this family comes from an excellent reference, but it is over 20 years old - old enough for Harmonia axyridis to be mentioned only as "several failed introduction attempts for bio-control" - boy do I wish that were still true!

Yes for family
no idea then.

I can't find any NAmer ladybird (over 3mm) completely "unmarked" as this one appears to be. The pale pronotum is especially different. Perhaps this one just hatched? Try keeping it alive for awhile and see if it "darkens up". Given size and form, I should think this is from the Coccinellinae tribe.

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