Moths of North Dakota

Noctuoidea Notodontidae: Heterocampinae

Schizura unicornis (J. E. Smith 1797)

Common name: Unicorn caterpillar

Hodges #: 8007

Identification: Rfw 14.3 mm, with green scales at wing base and on outer portion of wing, gree fades to yellow or brownish in preserved specimens. Reniform spot is represented by a black bar.  Members of the genus Schizura are distinguished from the related genera Heterocampa and Lochmaeus by the evenly narrow Rs cell above the discal cell on the hw and from members of the Notodontinae in having the male antennae pectinate with the pectinations abruptly shorter at about 2/3 the antennal length, the apical 1/3 is simple. 

Similar species: 7983, 79988005, 8006, 8009, 8010, 8011, 8012, 8017.

Distribution: southern Canada and United States east of the Rockies.

Hosts: Larval have been reported from a wide variety of plants including- Birch- Betula, Cherry- Prunus, Dogwood- Cornus, Elm- Ulmus, Apple- Malus, Hawthorn- Crataegus, Maple- Acer, Poplar- Populus, Oak- Quercus, and Ironwood- Ostrya. 


ND.  Ransom Co. 1.5 mi. W. Mcleod. 
T134N R53W Sec. 22. 12- VI- 1992.
Hg/UV lt. G. Fauske.

Forewing of S. unicornis, arrow indicates black bar representing the reniform spot.







Last updated: 04/14/09

Good web citizens cite their sources. 

This resource is to be cited as: Fauske, G. M.  [date of cited page]. cited page
 in Moths of North Dakota: an online identification guide. 
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Dr. Gerald M. Fauske
collection manager, NDSIRC
research specialist, NDSU
216 Hultz Hall
Fargo, ND 58105

Published by the Department of Entomology 

Prospective students may schedule a visit by calling 1-800-488-NDSU.