About 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.
How to Identify San Francisco Forktail Damselfly
San Francisco Forktail Damselfly (Ischnura gemina) belongs to the order Odonata, family Coenagrionidae. Adults typically measure 2.5-3 cm.
San Francisco Forktail Damselfly Habitat
San Francisco Forktail Damselfly is found in ponds & lakes habitats, particularly across United States. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.
San Francisco Forktail Damselfly Diet and Feeding
San Francisco Forktail Damselfly is a predatory species that actively hunts and feeds on other insects and small invertebrates. As a predator, it helps control populations of pest species and maintains ecological balance.
Where Is San Francisco Forktail Damselfly Found?
San Francisco Forktail Damselfly can be found in United States, where it inhabits ponds & lakes environments. Its distribution is influenced by climate, food availability, and habitat suitability.
Distribution Map
Where San Francisco Forktail Damselfly can be found
Is San Francisco Forktail Damselfly Dangerous?
San Francisco Forktail Damselfly is generally harmless to humans. It does not bite or sting and poses no significant health risk. Like most insects, it prefers to avoid human contact and will typically flee rather than confront a perceived threat.
San Francisco Forktail Damselfly Role in Nature
San Francisco Forktail Damselfly serves as a natural predator, helping to control populations of other insects. Predatory insects are valuable in both natural ecosystems and agriculture, where they reduce the numbers of pest species without the need for chemical pesticides.
Seasonal Activity
Frequently Asked Questions About San Francisco Forktail Damselfly
What does San Francisco Forktail Damselfly look like?
The San Francisco Forktail Damselfly typically measures 2.5-3 cm.
Where is San Francisco Forktail Damselfly found?
The San Francisco Forktail Damselfly is found in United States and typically inhabits ponds & lakes environments.
What does San Francisco Forktail Damselfly eat?
The San Francisco Forktail Damselfly is a predator that hunts and feeds on other insects and small invertebrates.
Is San Francisco Forktail Damselfly dangerous to humans?
The San Francisco Forktail Damselfly is generally harmless to humans. It does not bite or sting and poses no significant health risk.
Is San Francisco Forktail Damselfly endangered?
The San Francisco Forktail Damselfly is currently classified as Endangered by conservation assessments. Habitat loss and environmental changes are among the primary threats to its population.
What is an interesting fact about San Francisco Forktail Damselfly?
This species is nearly identical to the common Pacific forktail and can only be distinguished by close examination.
Cite This Page
APA:
InsectDiscover. (2026). San Francisco Forktail Damselfly (Ischnura gemina). Retrieved from https://insectdiscover.com/insect/san-francisco-forktail-damselfly
MLA:
"San Francisco Forktail Damselfly." InsectDiscover, https://insectdiscover.com/insect/san-francisco-forktail-damselfly.