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1 October 2017 Native Birds Exploit Leaf-Mining Moth Larvae Using a New North American Host, Non-Native Lonicera maackii
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Abstract

I document observations of birds feeding on the larvae of the leaf-mining moth Phyllonorycter emberizaepenella (Gracillariidae) in Michigan, USA. The larvae were feeding on Amur honeysuckle, Lonicera maackii (Caprifoliaceae), a non-native plant that has not been documented as a host for any species of Gracillariidae in North America, and which has few records of use by invertebrate herbivores anywhere in its range. Most bird observations were of chickadees (Paridae), which have been previously recorded feeding on leaf-mining insects. Observations also include three species of warblers (Parulidae) and one kinglet (Regulidae), which represent the first documentation of these families feeding on leaf-mining moth larvae. I describe this novel multitrophic interaction between a non-native plant, a native insect, and native vertebrate predators, and discuss the potential spread of the moth in North America, its use as a food source by birds, and the ecological implications.

© 2017 Université Laval
Julie A. Craves "Native Birds Exploit Leaf-Mining Moth Larvae Using a New North American Host, Non-Native Lonicera maackii," Ecoscience 24(3-4), 81-90, (1 October 2017). https://doi.org/10.1080/11956860.2017.1367908
Received: 10 August 2017; Accepted: 1 August 2017; Published: 1 October 2017
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