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A REVISION OF THE FAMILIES SYNNEURIDAE AND CANTHYLOSCELIDAE (DIPTERA) By A. M. HUTSON CONTENTS Page SYNOPSIS ........... 67 INTRODUCTION .......... 68 MATERIAL ........... 68 HISTORICAL REVIEW .......... 68 DIAGNOSTIC KEY TO THE FAMILIES SCATOPSIDAE, SYNNEURIDAE AND CANTHYLOSCELIDAE ......... 70 SYNNEURIDAE Enderlein ......... 70 Key to genera .......... 71 Synneuron Lundstrom . . . . . . . . 72 Key to species of Synneuron . . . . . . . . 72 Exiliscelis gen. n. .......... 75 CANTHYLOSCELIDAE Rodendorf ........ 77 Key to genera .......... 78 Hyperoscelis Hardy & Nagatomi ....... 78 Key to species of Hyperoscelis ....... So Canthyloscelis Edwards ......... 83 Key to subgenera and species of Canthyloscelis ..... 84 CHECKLIST AND PROPOSED CLASSIFICATION OF SYNNEURIDAE AND CANTHYLOSCELIDAE ......... 89 SYSTEMATICS ........... 90 ZOOGEOGRAPHY .......... 95 ACKNOWLEDGEMENTS ......... 96 REFERENCES ........... 96 APPENDIX: list of characters investigated for phylogenetic analysis . 98 INDEX 100 SYNOPSIS The families Synneuridae and Canthyloscelidae (in recent years combined under the single name Hyperoscelidae) are revised. A new genus and species, Exiliscelis calif orniensis, is described from North America and assigned to the Synneuridae. Synneuron decipiens and Canthyloscelis balaena are new species described from North America and New Zealand respectively. New synonymy is proposed in the genera Hyperoscelis and Canthyloscelis. Twelve species are recognized in the families and keys are provided for the identification of all known species. The phylogeny of the group and its relationships with Scatopsidae are discussed and a systematic analysis is presented to show these relationships. This is related to the existing knowledge of the immature stages.

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• http://biostor.org/reference/142
• 2277611

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A revision of the families Synneuridae and Canthyloscelidae (Diptera)

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