ENDANGERED SPECIES ACT PROFILE

PROTECTION STATUS: Not listed; candidate species

YEAR PLACED ON LIST: Endangered 2012

PETITIONED: 2004

CRITICAL HABITAT: None

RECOVERY PLAN: None

RANGE: Windward side of the Koolau Mountains on the island of Oahu, Hawaii; extirpated from the Waianae mountain range

THREATS: Severe alteration and degradation of streams and marsh habitat on Oahu by agricultural water diversions and urban development, introduction of nonnative insects and fish that prey on damselflies, alteration of habitat by invasive plants

POPULATION TREND: The damselfly is historically known from at least 16 localities on Oahu, but by 2001 there were just seven oceanic Hawaiian damselfly populations remaining and a total population of fewer than 1,000 damselflies.