title: Acronicta impressa
text: # Acronicta impressa
  
  Acronicta impressa, the impressive dagger moth or willow dagger moth, is a moth of the family Noctuidae. The species was first described by Francis Walker in 1856. It is found from western Canada to north-western Mexico.
  
  The wingspan is about 38 mm. Adults are on wing from early to midsummer depending on the location.
  
  Recorded food plants include bitterbrush, rose, aspen, poplar and willow.
  
  ## Subspecies
  
  * Acronicta impressa impressa
  * Acronicta impressa emaculata
  