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Molorchus bimaculatus - male

Molorchus bimaculatus - Male
American Tobacco Trail north of Scott King Road, Durham County, North Carolina, USA
April 10, 2004
Found on a Dogwood (Cornus florida) flower. Captured, chilled, and posed. Antennae longer than body indicate this is a male. Note the orange pronotum (prothorax) on this individual. This looks like Molorchus bimaculatus corni, Yanega, fig. 178, p. 82. (1) That reference states the larvae of this subspecies mine in sapwood of dogwood, Cornus, and that adults feed in the flowers. I found this individual on the flower of Flowering Dogwood, Cornus florida. Yanega states the subspecies are of questionable validity in this species. I wonder if these are not different species, however, with differing host preferences.

Compare with Stephen Creswell's photo of an individual with a black pronotum:


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