One important character to distinguish A. guttatus from A. panybeus is their anal appendages. The anal appendages of A. panybeus is more massive and larger than that of A. guttatus. Of course, the shape of anal appendages for both the species is also slightly different.
Over 250 species of odonates living in all kinds of aquatic habitats in Peninsular Malaysia. They are waiting for me to be explored........
Monday, July 26, 2010
Anax guttatus vs Anax panybeus - Anal Appendages
Anax guttatus and A. panybeus are quite similar to each other. In fact when I caught a specimen of A. guttatus a few years back, I labelled it as A. guttatus. My mistake was immediately pointed out by Dr. A.G. Orr when he inspected my specimen during his visit to Malaysia.
One important character to distinguish A. guttatus from A. panybeus is their anal appendages. The anal appendages of A. panybeus is more massive and larger than that of A. guttatus. Of course, the shape of anal appendages for both the species is also slightly different.
left is A. guttatus and right is A. panybeus
One important character to distinguish A. guttatus from A. panybeus is their anal appendages. The anal appendages of A. panybeus is more massive and larger than that of A. guttatus. Of course, the shape of anal appendages for both the species is also slightly different.
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Aeshnidae