Eastern Pondhawk vs Japanese Dobsonfly
Side-by-side species comparison
| Attribute | Eastern Pondhawk | Japanese Dobsonfly |
|---|---|---|
| Scientific Name | Erythemis simplicicollis | Protohermes grandis |
| Order | Odonata | Megaloptera |
| Family | Libellulidae | Corydalidae |
| Size | 55-63 mm wingspan | 40-60 mm body length |
| Habitat | Ponds & Lakes | Rivers & Streams |
| Diet | Predators | Predators |
| Regions | North America, Central America | East Asia, Japan |
| Conservation | Least Concern | Least Concern |
Eastern Pondhawk
A robust skimmer dragonfly where mature males are powdery blue and females are vivid green. It is an aggressive predator that ambushes prey from low perches.
Did You Know?
Eastern pondhawks are fierce predators that regularly attack and eat other dragonflies, including species larger than themselves.
Japanese Dobsonfly
A large aquatic insect known as 'hebi-tonbo' (snake dragonfly) in Japanese. The adult males have elongated, curved mandibles. Larvae called 'magotaro-mushi' are used as fishing bait.
Did You Know?
Dobsonfly larvae are prized as live fishing bait in Japan and are collected from stream rocks by anglers targeting ayu (sweetfish).