Hylogomphus apomyius
(Donnelly, 1966)
Banner Clubtail
Hylogomphus apomyius, commonly known as the Banner , is a in the . It is one of several small clubtail species within the Hylogomphus, characterized by relatively modest abdominal clubbing compared to larger gomphids. The species was described by Donnelly in 1966 and occurs in eastern North America. It is associated with riverine and is considered uncommon throughout its range.
Pronunciation
How to pronounce Hylogomphus apomyius: /ˌhɪloʊˈɡɒmfəs ˌæpoʊˈmaɪjəs/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Hylogomphus apomyius can be distinguished from other small by the combination of its relatively narrow, parallel-sided abdominal and the pattern of pale markings on the . The stripe on the thorax is typically complete and well-defined. Males have widely separated , a trait shared with all . It is most similar to Hylogomphus adelphus (Mustached Clubtail) and Hylogomphus viridifrons (Cobra Clubtail), but apomyius lacks the pronounced mustache-like markings of adelphus and has a less expanded club than viridifrons. Examination of the male and female may be necessary for definitive identification.
Habitat
Flowing water including to large rivers and streams with moderate current. Associated with sandy or rocky substrates. are found in adjacent riparian areas with open or partially shaded conditions.
Distribution
Eastern North America, primarily in the United States. Documented from the Mississippi River basin and adjacent drainages, with records from states including Illinois, Indiana, Ohio, Kentucky, Tennessee, Arkansas, and Louisiana. The range appears to be centered on the Ohio and lower Mississippi River systems.
Seasonality
period extends from late spring through summer, with most records from June to August. Peak activity occurs in June and July in the northern portion of its range.
Human Relevance
Of interest to odonatologists and naturalists due to its restricted distribution and apparent rarity. Not known to have significant economic or medical importance.
Similar Taxa
- Hylogomphus adelphusShares small size and preference, but adelphus has distinct mustache-like pale markings on the and more pronounced thoracic patterning.
- Hylogomphus viridifronsSimilar in general appearance, but viridifrons has a more expanded, cobra--like abdominal and different thoracic stripe configuration.
- Gomphus spp.Larger in the related Gomphus have more bodies and more strongly clubbed .