Scotorythra paludicola
| Scotorythra paludicola | |
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| Species: | S. paludicola
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| Scotorythra paludicola (Butler, 1879)
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Scotorythra paludicola, the koa looper moth, is a moth of the family Geometridae. It was first described by Arthur Gardiner Butler in 1879. It is endemic to the Hawaiian islands of Kauai, Oahu, Maui and Hawaii.
The larvae mainly feed on Acacia koa, but have also been recorded from Falcataria moluccana, Grevillea and Tristania species. On occasion, this species develops enormous populations and defoliates entire areas with koa trees.
During a recent outbreak of S. paludicola in 2013 on Hawaiʻi Island, larvae were found to feed on isolated populations of the invasive tree Falcataria moluccana[1] near Akaka Falls State Park. Laboratory feeding trials of these larvae showed that they could complete their development at the same rate on both the normal host (Acacia koa) and the invasive tree (Falcataria moluccana). Three other exotic tree species, Acacia confusa, Prosopis pallida, and Leucaena leucocephala were not suitable host plants and all the larvae tested on these species died after 5 days of feeding.[1]
References
- ^ a b "Defoliation of the invasive tree Falcataria moluccana on Hawaii Island by the native koa looper moth (Geometridae: Scotorythra paludicola), and evaluation of five Fabaceous trees as larval hostplants" (PDF). Proceedings of the Hawaiian Entomological Society. 45: 129–139. 2013.
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External links
- Zimmerman, Elwood C. (1958). Insects of Hawaii. Vol. 7 Macrolepidoptera. University of Hawaii Press, Honolulu. hdl:10125/7336.
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