A New Leaf-Mining Dark-Winged Fungus Gnat (Diptera: Sciaridae), with Notes on Other Insect Associates of Marsh Marigold (Ranunculaceae: Caltha palustris L.)

Charles S. Eiseman; Kai Heller; Björn Rulik

doi:10.4289/0013-8797.118.4.519

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9 November 2016 A New Leaf-Mining Dark-Winged Fungus Gnat (Diptera: Sciaridae), with Notes on Other Insect Associates of Marsh Marigold (Ranunculaceae: Caltha palustris L.)

Charles S. Eiseman, Kai Heller, Björn Rulik

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Proceedings of the Entomological Society of Washington, 118(4):519-532 (2016). https://doi.org/10.4289/0013-8797.118.4.519

Abstract

The known insect associates of Caltha palustris L. (Ranunculaceae) in North America are reviewed. Zygoneura calthella new species (Sciaridae) is described from western Massachusetts, USA. Larvae bore in petioles and stems of C. palustris and mine into the basal portions of the leaves. DNA barcodes of the new and other Zygoneura species are presented. Inquilines and parasitoids in the larval galleries of Z. calthella include an undescribed species of Elachiptera Macquart (Chloropidae); Megaselia limburgensis (Schmitz) (Phoridae); Scaptomyza pallida (Zetterstedt) (Drosophilidae); and a species of Neurateles Ratzeburg (Ichneumonidae). Larvae of Prasocuris boreella (Schaeffer) (Chrysomelidae) feed externally on foliage of the same plants.

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Charles S. Eiseman, Kai Heller, and Björn Rulik "A New Leaf-Mining Dark-Winged Fungus Gnat (Diptera: Sciaridae), with Notes on Other Insect Associates of Marsh Marigold (Ranunculaceae: Caltha palustris L.)," Proceedings of the Entomological Society of Washington 118(4), 519-532, (9 November 2016). https://doi.org/10.4289/0013-8797.118.4.519

Published: 9 November 2016

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