I would very much like to see you pictures. You called
them leaf beetles. Do you mean that you think they are chrysomelids?
Invertebrate Ecologist/ Taxonomist
1.530. 383.4798 (cell)
1307 "L" Street
Davis, CA 95616
Idaho Ÿ Bozeman, Montana Ÿ Woodland, California Ÿ
From: firstname.lastname@example.org [mailto:email@example.com] On
Behalf Of Peter Matthews
Sent: Monday, May 19, 2008 6:13 PM
To: Discussion of aroids
Subject: [Aroid-l] leaf beetles on aroids
I am currently in the Philippines (Luzon) looking around
for wild taros.
Something I have noticed here is the presence of a large
(irridescent green back, bright orange head) frequently
feeding on the
leaves of Colocasia esculenta and very rarely on the
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
Has anyone else seen such beetles on aroids, in the wild
cultivation, in the Philippines or in other countries?
I have sme nice photos, but cannot post them until I get
back to Japan.
Peter Matthews (Manila, in transit)
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