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NEW HOST PLANT RECORD FOR THE POISON IVY SAWFLY, ARGE HUMERALIS (HYMENOPTERA: ARGIDAE), AND ITS PERFORMANCE ON TWO HOST PLANT SPECIES
被引:1
|作者:
Benda, Nicole
[1
]
Possley, Jennifer
[2
]
Powell, Devon
[2
]
Buchanan-Mcgrath, Catherine
[3
]
Cuda, James
[1
]
机构:
[1] Univ Florida, Dept Entomol & Nematol, Gainesville, FL 32608 USA
[2] Fairchild Trop Bot Garden, Ctr Trop Plant Conservat, Coral Gables, FL 33156 USA
[3] Univ Florida, Dept Med, Gainesville, FL 32608 USA
关键词:
Toxicodendron radicans;
Poisonwood;
Metopium toxiferum;
Anacardiaceae;
host range;
larval performance;
ANACARDIACEAE;
D O I:
10.1653/024.095.0248
中图分类号:
Q96 [昆虫学];
学科分类号:
摘要:
The poison ivy sawfly, Arge humeralis Beauvois, was previously known to feed only on poison ivy, Toxicodendron radicans (L.) Kuntze. However, in 2009, larvae were discovered in southern Florida feeding on poisonwood, Metopium toxiferum (L.) Krug and Urban. To better characterize the host range of A. humeralis, we compared larval performance on T. radicans and M. toxiferum. Adults oviposited on both plant species, and days to pupation and survival to adulthood were similar. With the exception of longer 1st and 4th stadia on T. radicans, stadia were also similar. Most mortality occurred during pupation. The use of M. toxiferum by A. humeralis indicates a wider range of hosts and of ecosystems than previously known for this insect.
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页码:529 / 531
页数:3
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