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Macrogomphus quadratus is large and
commonly widespread in Sabah’s shallow streams in dense alluvial forest.
The female Macrogomphus quadratus body total length is 76mm,
Front wings span = 110mm,
Hind wings span = 102 mm
Abdomen length = 56mm
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Macrogomphus quadratus synthorax is
robust though the abdomen rather thin.
This female’s Macrogomphus quadratus synthorax is as robust as a male’s
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The eyes are well separated, a feature
which distinguishes them from all other Anisoptera species.
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The ovipositor of this female
Macrogomphus quadratus is very different from other familiar
dragonflies. Segment 2 is extraordinary long.
The females lay their eggs alone, with a few quick passes over the weedy
mud banks in shallow water.
10 meters from where I found this female is a small river with mud banks
eroded by recent monsoon flood.
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