Cardiaspina jerramungae sp.n., which has been damaging Eucalyptus occidentalis and some related species in Western Australia for the past 10 years, is described. C. jerramungae is most closely related to C. corbula Taylor, which is redescribed. Cardiaspina caestata sp.n. is described from Eucalyptus (Monocalyptus) regnans and E. (MO) delegatensis in Tasmania. The relationships between Cardiaspina Crawford and Hyalinaspis Taylor are discussed.
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K. L. Taylor (1992) studied this question.
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