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Montana Field Guide

Montana Field Guides

Dingy Cutworm Moth - Feltia jaculifera


Global Rank: G5
State Rank: SNR

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General Description
Feltia jaculifera is a complex of probably six or more sibling species, at least two of which occur in Alberta. These cannot by separated to species using normal means. In spite of extensive studies "jaculifera" is still best treated as a single "species" (Anweiler - E.H. Strickland Entomological Museum, University of Alberta). Feltia jaculifera is a medium-size moth (35 - 40 mm wingspan) with dark forewings broken up by a pattern of pale longitudinal streaks and spots. There is a long thick black basal dash, which includes the claviform spot, that is crossed by two narrow lines in the basal half. A pale median streak curves down at the anal angle to meet the one running along the lower margin of the wing. The costa is also pale, and is linked to the top of the pale reniform mad orbicular spots. The subterminal line is a series of pale streaks following the veins. The hindwing varies from white with light fuscous shading along the margin to mostly fuscous, but is usually dirty white with a broad diffuse darker margin (Powell and Opler, 2009).

Phenology
Adult Dingy Cutworm Moths fly from late June to early November. They can be seen flying in many areas including fields, gardens, waste areas. Adults are nocturnal. However, in more arid areas adults can be found nectaring and resting on composite flowers such as Helianthus, Grindelia, and Solidago (Asteraceae) in the late afternoon (Powell and Opler 2009). Females will oviposit in flower heads, particularly in the heads of Asteraceae. There is a single annual brood. The larvae overwinter and emerge in the spring. They overwinter as partially grown (third and fourth instar) larvae (Anweiler 2007).

Diagnostic Characteristics
F. jaculifera is most likely a species group of six or more separate, but currently inseparable species (Powell and Opler 2009). In the province of Alberta, F. jaculifera is most likely to be confused only with the Master's Dart (F. herilis), which is darker and has a less complex and contrasting pattern (Anweiler 2007).

Range Comments
The Dingy Cutworm Moth is common throughout North America including eastern North America. It ranges from eastern Alaska to the Canadian Maritimes (Atlantic coast), south long both coasts and into northern Mexico, except much of California, southern Nevada, and much of the Mississippi Valley, southeastern coastal plains, and peninsular Florida (Powell and Opler 2009).

Summary of Observations Submitted for Montana
Number of Observations: 2

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Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat
The Dingy Cutworm Moth is found in open habitats, in particular, native grasslands. It is also found in riparian edges, meadows, and other open areas (Anweiler 2007).

Food Habits
Young larvae may have specific feeding requirements, but later instars are general feeders on a variety of herbs and forbs (Anweiler 2007).

References
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Citation for data on this website:
Dingy Cutworm Moth — Feltia jaculifera.  Montana Field Guide.  .  Retrieved on , from