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Abstract Tinocallis Matsumura is a small group of aphids that is mainly associated with the Ulmaceae. Eight species are known, as follows: Tinocallis ulmiparvifoliae Matsumura, T . platani (Kaltenbach), T . saltans (Nevsky), T . zelkovae Dzhibladze, T . zelkowae (Takahashi), T . ulmifolii (Monell), T . caryaefoliae (Davis), and T . kahawaluokalani (Kirkaldy). All are redescribed and an illustrated key is offered.
W. R. Richards (Mon,) studied this question.