A new genus and species of microphysid bug is described and illustrated from two individuals preserved in Late Cretaceous (Campanian) amber from Alberta, Canada. Popovophysa entzmingeri gen. et sp. nov. is distinguished from its fossil and modern counterparts. The new species has attributes of the two currently recognized subfamilies Ciorullinae and Microphysinae, suggesting that those taxa may not be distinct and are in need of cladistic analysis.
McKellar, Ryan C.; Engel, Michael S. (2011). "First Mesozoic Microphysidae (Hemiptera): a new genus and species in Late Cretaceous amber from Canada." Canadian Entomologist, 143(4):349-357. http://dx.doi.org/10.4039/n11-015
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