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McNellis Kring, L. 1991: [Kring, J. B.] The Bulletin of the Entomological Society of Canada = Le Bulletin de la Société d'Entomologie de Canada, Ottawa 23 (1), B15: 11766, pp. 22
Schuster, D. J. 1991: [Kring, J. B.] The Florida Entomologist, Gainesville 74 (1), B15 10676, pp. 170-172, Portr.