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 Invasive Plant Research Laboratory: Fort Lauderdale, FL
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Title:   Author  item
                                            Duncan, Jamesitem
                                            Steininger, Mindiitem
                                            Wright, Susanitem
                                            Wheeler, Gregory
  Submitted to: Florida Entomologist
                                    Publication Type: Peer Reviewed Journal
                                    Publication Acceptance Date: 11/18/2015
                                    Publication  Date: 3/1/2016
                                    Citation: Duncan, J.G., Steininger, M.S., Wright, S.A., Wheeler, G.S. 2016. Host Range of Caloptilia triadicae (Lepidoptera: Gracillariidae): An Adventive Herbivore of Chinese Tallowtree (Malpighiales: Euphorbiaceae). Florida Entomologist. 99(1):142-145. https://doi.org/10.1653/024.099.0132.DOI: https://doi.org/10.1653/024.099.0132                                                              
                                Interpretive Summary: An insect was discovered feeding on the invasive weed Chinese tallowtree (Triadica sebifera) in North America in 2004. This insect identified as a Caloptilia triadicae, causes leaf mines on
T. sebifera saplings. To see if they would damage other plants we exposed wild populations of this insect to related species. Our findings indicated that the larvae of this species were specific as they readily fed and completed development on Chinese tallowtree leaves. The only exception was larval feeding and development on the native oysterwood, Gymnanthes lucida.
Naturalized populations of C. triadicae were also found in Miami/Dade and Broward counties feeding and developing on ornamental populations of G. lucida.
                                Technical Abstract: An inadvertent biological control agent of the invasive weed Chinese tallowtree (Triadica sebifera) first appeared in North America in 2004. Identified as a Caloptilia triadicae, this
leaf miner was found damaging T. sebifera saplings. In Gainesville, FL we exposed naturalized populations of C. triadicae to Chinese tallowtree and related plant species in open field
multiple choice tests. Our findings indicated that the larvae of this species were specific as they readily fed and completed development on Chinese tallowtree leaves. The only exception to
this narrow specificity was larval feeding and development on the native oysterwood, Gymnanthes lucida. Naturalized populations of C. triadicae were also found in Miami/Dade and Broward counties feeding and developing on ornamental populations of G. lucida.


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