Moths of North Dakota

Noctuoidea Notodontidae: Heterocampinae

Oligocentria semirufescens (Walker 1865)

Common name: Red washed prominent

Hodges #: 8012

Identification: Rfw 18.6 mm, groundcolor two toned, tawny and blue-gray; outer margin slightly concave near tornal angle.  Members of the genus Oligocentria 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: 7957, 8005, 8006, 8007, 8009, 8010, 8017.

Distribution: southern Canada and United States.

Hosts: Larval have been reported from a wide variety of plants including- Alder- Alnus, Birch- Betula,  Rose- Rosa, Poplar- Populus, Willow- Salix, and Oak- Quercus. 


ND. Cass Co.  18- VII- 1961. 
R. W. Poole.


Forewing of O. semirufescens, reniform spot represented by a black dot.








Last updated: 04/14/09

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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.