Aulacothorax melina
poison ivy leaf beetle
Aulacothorax melina is a leaf beetle in the Chrysomelidae, commonly known as the poison ivy leaf beetle. The was formerly placed in the Orthaltica but has been reclassified to Aulacothorax. It is native to North America and is associated with poison ivy (Toxicodendron radicans) as a plant. The is one of relatively few insects that can feed on poison ivy, which contains urushiol, a compound that causes allergic reactions in most humans and deters many herbivores.
Pronunciation
How to pronounce Aulacothorax melina: /ɔːˌlæk.oʊˈθɔːræks məˈlaɪnə/
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Distribution
North America.
Diet
Poison ivy (Toxicodendron radicans).
Host Associations
- Toxicodendron radicans - plantpoison ivy
Human Relevance
The has limited direct human relevance, though its association with poison ivy may make it a subject of interest for research. Unlike most insects, it can tolerate the urushiol compounds in poison ivy that cause severe allergic dermatitis in humans.
Similar Taxa
- Aulacothorax melinusClosely related with similar and ; formerly confused under the same Orthaltica. Distinguished by subtle morphological differences and potentially geographic separation.
More Details
Taxonomic history
This was formerly classified in the Orthaltica. The reclassification to Aulacothorax reflects ongoing revisions within the Chrysomelidae, particularly among flea beetles and their allies. The genus Aulacothorax contains species specialized on Toxicodendron .