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Panthea acronyctoides

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Black Zigzag
Scientific classification
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P. acronyctoides
Binomial name
Panthea acronyctoides
(Walker, 1861)
Synonyms
  • Audela acronyctoides Walker, 1861
  • Panthea leucomelana Morrison, 1876
  • Diphthera acronyctoides Walker, 1861, Draudt, 1924 in Seitz, 1924
  • Panthea albosuffusa McDunnough, 1937 (form)

The Black Zigzag or Tufted Spruce Caterpillar (Panthea acronyctoides) is a species of moth of the Noctuidae family. It is found in from Newfoundland to British Columbia and adjacent northern states, south in the west to Colorado, south in the east to New England and Kentucky.

Panthea acronyctoides acronyctoides male
Panthea acronyctoides nigra male (top), female (bottom)

The wingspan is 30–35 mm. The moth flies from May to August depending on the location.

The larvae feed on Balsam Fir, Eastern Hemlock, Eastern Larch, Pines, and Spruces.

Subspecies

There are two recognised subspecies:

  • Panthea acronyctoides acronyctoides (Walker, 1861)
  • Panthea acronyctoides nigra Anweiler, 2009