Media type: E-Article Title: Distributional Patterns and Their Interpretation in Hetaerina (Odonata: Calopterygidae) Contributor: Johnson, Clifford imprint: Walter de Gruyter GmbH, 1973 Published in: The Florida Entomologist Language: Not determined DOI: 10.2307/3493658 ISSN: 0015-4040 Keywords: Insect Science ; Ecology, Evolution, Behavior and Systematics Origination: Footnote: Access State: Open Access