San Francisco Forktail Damselfly vs Asian Clubtail
Side-by-side species comparison
| Attribute | San Francisco Forktail Damselfly | Asian Clubtail |
|---|---|---|
| Scientific Name | Ischnura gemina | Asiagomphus melaenops |
| Order | Odonata | Odonata |
| Family | Coenagrionidae | Gomphidae |
| Size | 2.5-3 cm | 45-52 mm |
| Habitat | Ponds & Lakes | Rivers & Streams |
| Diet | Predators | Omnivores |
| Regions | United States | Asia |
| Conservation | Endangered | Least Concern |
San Francisco Forktail Damselfly
A tiny damselfly restricted to a few freshwater ponds near the San Francisco Bay coast. It is threatened by urban encroachment and invasive plants.
Did You Know?
This species is nearly identical to the common Pacific forktail and can only be distinguished by close examination.
Asian Clubtail
A medium-sized clubtail dragonfly found in clean streams across East Asia. Males have distinctive yellow and black body markings with a widened abdomen tip.
Did You Know?
It is sensitive to water pollution and serves as an indicator of good stream water quality in Japan.