Lake-specialist
Guides
Libellula incesta
slaty skimmer
Libellula incesta, commonly known as the slaty skimmer, is a dragonfly species in the family Libellulidae native to eastern North America. Adults measure approximately 5.28 cm in length. The species exhibits pronounced sexual dimorphism in coloration: mature males are dark blue with black heads, while females and juveniles display brown abdomens with a darker dorsal stripe. Larvae are specialized inhabitants of lake benthos, and adults are active from June through August.