Moths of North Dakota

Noctuoidea, Notodontidae: Phalerinae

Nerice bidentata Walker 1855

Common name: Double-toothed prominent/ Elm caterpillar

Hodges #: 7929.

Identification: Rfw 17.5 mm, without scale tuft along inner margin, fw pattern unique in Notodontidae of North America.

Similar species: nothing very similar- 9326, 9578, 8443.

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

Hosts: Larval feed on  Elm- Ulmus.

Note: This genus is otherwise found in Eurasia, a number of very similar species occur in SE Asia.



ND  Ransom Co. McLeod. 
9- VI- 1962,  R. Frye.


Larva, pic courtesy of Lacy Hyche, Auburn University, Forestry Images,








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. 
< >

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.