Spine-crowned Clubtail... www.visitingnature.com

Male Spine-crowned Clubtail... www.researchgate.net

Spine-crowned Clubtail... guides.nynhp.org

Spine-crowned Clubtail |... val.vtecostudies.org

Maryland Biodiversity... www.marylandbiodiversity.co...

Spine-crowned Clubtail... www.visitingnature.com

Spine-crowned Clubtail -... pbase.com

Spine-crowned Clubtail -... bugguide.net

Gomphus (dragonfly) -... en.wikipedia.org

Maryland Biodiversity... www.marylandbiodiversity.co...

Young Female Spine-Crowned... www.flickr.com

Mustached or Spine-crowned... bugguide.net

Taxonomy Gomphidae... observation.org

NC Odonate Website auth1.dpr.ncparks.gov

Gomphus parvidens- Piedmont... www.visitingnature.com

BirdsEye Photography:... birdseye.photo

BirdsEye Photography:... birdseye.photo

Clubtail Dragonflies Photo... www.pbase.com

Rapids Clubtail Guide - New... guides.nynhp.org

Taxonomy Gomphidae... observation.org