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Overview

Comprehensive Description

General Description

A relatively large Abagrotis (3.8-4.3 cm wingspan). The forewings of males are dark red-brown, while those of females are usually lighter orange-brown. The markings consist of faint, doubled antemedian and postmedian lines, and a small oval orbicular and an elongate vertical reniform, both finely outlined in pale yellow-brown scales and at least partially filled with grey scales. The terminal area is usually paler and sharply defined from the remainder of the wing. The hindwings are dull brown-black with orange-brown fringe. The large size, dark red or orange-brown color and relatively complete pattern will separate alternata from the other Alberta species of Abagrotis. See also Abagrotis placida and cupida
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Distribution

An eastern species, occurring from New Brunswick west across southern Canada to western Alberta, south to Arizona, New Mexico and the Gulf of Mexico. In Alberta it has been collected in the dryer southern part of the province, north to about Calgary and Dinosaur Provincial Park.
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National Distribution

Canada

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

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Ecology

Habitat

Open woodland, shrubby areas, gardens and orchards, etc.
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Trophic Strategy

The larvae have been found feeding on a wide variety of trees, shrubs and herbs including cherry and plum (Prunus), strawberry (Fragaria), tomato, potato, cabbage and oak (Quercus sp.) (Rings, 1971).
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Life History and Behavior

Cyclicity

Adults have been collected in Alberta in August.
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Life Cycle

Abagrotis alternata have a single annual brood, with adults appearing in late summer. The larvae have been described and illustrated by Rings (1971). They are climbing cutworms and general feeders on a range of plants. In eastern North America they occasionally become serious pests on vegetable crops and in particular fruit trees, where they damage buds and new growth. The young larvae overwinter, and are reported to feed on dead leaves during the winter in warmer areas, developing through several instars and switching to new growth when it appears in spring. The adults are attracted to both light and sugar baits.
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Abagrotis alternata

The following is a representative barcode sequence, the centroid of all available sequences for this species.


There are 2 barcode sequences available from BOLD and GenBank.

Below is a sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species.

See the BOLD taxonomy browser for more complete information about this specimen and other sequences.

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNGATCTTTAATTGGAGATGATCAAATTTATAATACTATTGTTACAGCACATGCTTTCATTATAATTTTCTTTATAGTAATACCTATTATAATTGGAGGATTTGGTAATTGACTTGTCCCTTTAATATTAGGAGCCCCAGATATAGCATTCCCTCGAATAAATAATATAAGTTTTTGACTTCTTCCCCCCTCATTANCTCTTTTAATTTCAAGAAGAATTGTAGAAAATGGAGCAGGAACAGGATGAACAGTGTACCCTCCACTTTCATCTAATATTGCCCATGGAGGAAGATCTGTAGATCTTGCTATTTTTTCCCTTCACTTAGCAGGAATTTCTTCTATTTTAGGAGCTATTAATTTTATTACTACANNTATTAATATACGATTAAATAGTTTATCATTTGATCAAATACCATTATTCATTTGAGCAGTAGGAATTACTGCATTTTTATTATTATTATCATTACCTGTATTAGCTGGAGCTATTACTATACTTTTAACTGATCGAAATTTAAACACTTCTTTTTTTGATCCTGCAGGAGGAGGAGATCCTATTTTATATCNNNNNNNNNNN
-- end --

Download FASTA File

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Statistics of barcoding coverage: Abagrotis alternata

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 2
Specimens with Barcodes: 23
Species With Barcodes: 1
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Conservation

Conservation Status

Uncommon at the northwestern edge of their range in Alberta.
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National NatureServe Conservation Status

Canada

Rounded National Status Rank: NNR - Unranked

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

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Wikipedia

Abagrotis alternata

The Greater Red Dart or Mottled Gray Cutworm (Abagrotis alternata) is a moth of the Noctuidae family. It is found in Eastern North America, from New Brunswick west across southern Canada to western Alberta, south to Arizona, New Mexico and the Gulf of Mexico.

The wingspan is 38–43 mm. Adults are on wing in August in Alberta. There is one generation per year.

The larvae feed on a wide range of plants. In eastern North America they can become pests on vegetable crops and in some fruit trees, damaging buds and new growth. Recorded food plants include White spruce, Walnut, Hickories, Oak, Strawberry, Apple, Cherry, Plum, Peach, Potato and Tomato.

A. alternata does not have a significant economic impact despite it's prevalence in the northern United States.[1]

References[edit]

  1. ^ Rings, Roy W. (1971). "Contributions to the Bionomics of Climbing Cutworms; the Life History of the Mottled Gray Cutworm, Abagrotis alternata". Journal of Economic Entomology 64 (1): 34–38. ISSN 0022-0493. 
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