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  [Aroid-l] leaf beetles on aroids
From: pjm at gol.com (Peter Matthews) on 2008.05.20 at 01:12:45(17588)
Dear Aroiders,

I am currently in the Philippines (Luzon) looking around for wild taros.

Something I have noticed here is the presence of a large beetle
(irridescent green back, bright orange head) frequently feeding on the
leaves of Colocasia esculenta and very rarely on the naturalised
populations of Xanthosoma sagittifolium, and not at all on the native
Homolomena philippinensis. Nor on bananas or other obvious garden plants.

The beetle is large, about 1.5 - 2 cm long, and cuts a circular line on
the leaf of taro before eating out the central portion, leaving an often
near-perfect circular hole in the leaf. The damage itself is quite

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