New York Natural Heritage Program
Horned Clubtail
Arigomphus cornutus (Tough, 1900)
Insects
Jan Trybula
Family: Clubtails (Gomphidae)

State Protection: Not Listed
The species is not listed or protected by New York State.

Federal Protection: Not Listed

State Rarity Rank: S1
A State Rarity Rank of S1 means: Typically 5 or fewer occurrences, very few remaining individuals, acres, or miles of stream, or some factor of its biology makes it especially vulnerable in New York State.

Global Rarity Rank: G4
A Global Rarity Rank of G4 means: Apparently secure globally, though it may be quite rare in parts of its range, especially at the periphery.


Did you know?
This species and Arigomphus furcifer (Lilypad clubtail) are each others closest relatives (sister taxa) (Ware et al., 2017).

State Ranking Justification [-]
Horned clubtail is known from only a handful of sites in St. Lawrence County and probably recently colonized across the St. Lawrence River from nearby populations in Ontario, Canada, forming the extreme eastern range boundary of this upper Midwestern species.

Short-term Trends [-]

Long-term Trends [-]