Comparison: Anax guttatus vs Anax panybeus

Two Anax species are recorded in Peninsular Malaysia - Anax guttatus and A. panybeus. The anal appendages and the length of abdominal segment 3 are the main characters to differentiate these two species. However, I am showing you here the differences of blue marking on the thorax and dorsal abdominal segments 1-3 for both the species.


left: Anax guttatus; right: Anax panybeus