Scymnus citreusScymnus citreus is a species of beetle of the family Coccinellidae. It is found in Argentina.DescriptionAdults reach a length of about 1.8-2.0 mm. Adults are yellow, with the median half of the pronotum reddish yellow. The elytron has reddish brown sutural and lateral margins and a small reddish brown spot.EtymologyThe species name is derived from Latin citreus and refers to the lemon yellow colour of the species.