an Entity references as follows:
Wahlgreniella is a genus of true bugs belonging to the family Aphididae. The species of this genus are found in Europe and Northern America. Species: * (Davidson, 1910) * Richards, 1963 * Rupais, 1985 * (Gillette, 1908) * Hille Ris Lambers, 1949 * (F.V.Theobald, 1924) * (R.Takahashi, 1925)