Agrotis vetusta - (Walker, 1856)
Old Man Dart Moth
Taxonomic Status: Accepted
Unique Identifier: ELEMENT_GLOBAL.2.111478
Element Code: IILEYKL010
Informal Taxonomy: Animals, Invertebrates - Insects - Butterflies and Moths - Other Moths
 
Kingdom Phylum Class Order Family Genus
Animalia Mandibulata Insecta Lepidoptera Noctuidae Agrotis
Genus Size: D - Medium to large genus (21+ species)
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Concept Reference
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Concept Reference: Hodges, R.W. et al., eds. 1983. Check List of the Lepidoptera of America North of Mexico. E.W. Classey Limited and The Wedge Entomological Research Foundation, London. 284 pp.
Concept Reference Code: B83HOD01HQUS
Name Used in Concept Reference: Agrotis vetusta
Conservation Status
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NatureServe Status

Global Status: G5
Global Status Last Reviewed: 31May2002
Global Status Last Changed: 31May2002
Rounded Global Status: G5 - Secure
Nation: United States
National Status: NNR
Nation: Canada
National Status: N5 (24Aug2017)

U.S. & Canada State/Province Status
Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.
United States Idaho (SNA), Indiana (S2), Vermont (SNR), Virginia (S2S4), Wyoming (SNR)
Canada Alberta (S4), British Columbia (S4S5), Manitoba (S4), New Brunswick (SU), Northwest Territories (SU), Nova Scotia (SU), Ontario (S5), Saskatchewan (S4), Yukon Territory (SNR)

Other Statuses

NatureServe Global Conservation Status Factors

Other NatureServe Conservation Status Information

Distribution
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U.S. States and Canadian Provinces

Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.

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Distribution data for U.S. states and Canadian provinces is known to be incomplete or has not been reviewed for this taxon.
Endemism: occurs (regularly, as a native taxon) in multiple nations

U.S. & Canada State/Province Distribution
United States ID, IN, VA, VT, WY
Canada AB, BC, MB, NB, NS, NT, ON, SK, YT

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
IN Lake (18089), Porter (18127)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
04 Little Calumet-Galien (04040001)+
07 Chicago (07120003)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History Not yet assessed
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Economic Attributes Not yet assessed
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Management Summary Not yet assessed
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Population/Occurrence Delineation
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Group Name: Sand Prairie, Savanna, And Barrens Openings Moths

Use Class: Not applicable
Minimum Criteria for an Occurrence: A sandy (or for a few species occasionally rocky) natural or unnatural grassy habitat where the species occurs, or has occurred, with potential for persistence or regular recurrence. Minimally a specimen or possibly a photograph in association with suitable habitat. Documentation standards vary by species and for a few a photograph could suffice but a specimen is always preferred. High quality occurrences will generally either be >100 hectares or multiple grassy patches within a large overall barrens or savanna community or along an extensive right of way over suitable sandy soils.
Mapping Guidance: When suitable habitats are scattered through a large pine barren, oak savanna, or southern pineland, in general all should be considered a single metapopulation occurrence even if the original barren or savanna has been fragmented (e.g. the Albany, New York Pine Bush). Note that grasses or other foodplants are almost never absent between the main habitat patches and in fact are often common along roads etc. and some of these species can even persist on sandy lawns in these contexts. Furthermore suitable habitat will usually expand for a while after fires. Such clusters of habitats obviously functioned as single occurrences originally and probably still do to some extent. All of these moths do show up at lights or on bait in marginal or even unsuitable areas within these larger xeric communities. Plus metapopulations are a much more useful operational conservation unit than the demes within them, especially in systems subject to periodic fires.
Separation Distance for Unsuitable Habitat: 2 km
Separation Distance for Suitable Habitat: 10 km
Separation Justification: Most or all of these moths are probably good colonizers with frequent individual captures several kilometers (occasionally several dozen to [Abagrotis nefascia]>100 kilometers) from any apparently suitable habitat. Furthermore in most cases all habitats checked within a few kilometers of each other either all lack or all have a given species. Partial patch occupancy seems to be rare and Schweitzer knows of no cases. These moths clearly do occupy closely proximate habitat patches if they occur in an area. Of course quantifying this is difficult but 2 kilometers is a very conservative assumption and ten kilometers of more or less suitable habitat is also a very conservative estimate considering the tendency of these and most moths to fully occupy habitats (at least over several seasons even if not all the time). Also a given individual could easily cover ten kilometers in a night and most populations probably usually consist of hundreds to tens of thousands of adult per generation. Still some arbitrary limit is needed.
Inferred Minimum Extent of Habitat Use (when actual extent is unknown): 1 km
Inferred Minimum Extent Justification: While most occurrences are much smaller or consist of a cluster of smaller occurrences it is safe to infer at least this distance if the habitat actually is that large. Individuals can easily move a kilometer in under half an hour and as with most Lepidoptera suitable contiguous habitat is normally fully occupied at least some of the time. So inferred extent is all proximate habitat up to one kilometer from the collection site and if habitat is more extensive a very little effort will almost certainly show a larger occurrence. If three or more collections sites a kilometer apart have been verified within an extensive community all habitat patches should also be assumed occupied.
Date: 31Jan2002
Author: Schweitzer, Dale F.
Notes: This Specs Group was conceived largely for certain eastern and central North American apameine and noctuine Noctuidae and a few Arctiidae characteristic of sand prairies westward and xeric, usually sandy, pine savannas or grassy openings in pine barrens eastward. Since they are apparently or definitely grass or herb feeders they probably do not fit well in the pine barrens moth group where most were originally placed.
Population/Occurrence Viability
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U.S. Invasive Species Impact Rank (I-Rank) Not yet assessed
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Authors/Contributors
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Zoological data developed by NatureServe and its network of natural heritage programs (see Local Programs) and other contributors and cooperators (see Sources).

References
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  • Bess, James. 2005. A Report on the Remnant-Dependent Insects of the Coastal Zone Natural Area Remnants in Northwest Indiana. 23 pp..

  • Cannings, S. 2015. Unpublished data. Spreadsheet of macrolepidoptera collection data for Yukon compiled by Syd Cannings in September 2015.

  • General Status 2015, Environment Canada. 2014. Manitoba moth species list and ranks as recommended by expert.

  • Hodges, R.W. et al., eds. 1983. Check List of the Lepidoptera of America North of Mexico. E.W. Classey Limited and The Wedge Entomological Research Foundation, London. 284 pp.

  • Lafontaine, J.D. and B. C. Schmidt. 2010. Annotated check list of the Noctuoidea (Insecta, Lepidoptera) of North America north of Mexico. ZooKeys 40:1-239.

  • Natural Resources Commission. 2014. Roster of Indiana Animals, Insects, and Plants That Are Extirpated, Endangered, Threatened or Rare. Information Bulletin #2 (Sixth Amendment. 20pp.

  • Wildlife Management Information System (WMIS). 2006+. Geo-referenced wildlife datasets (1900 to present) from all projects conducted by Environment and Natural Resources, Government of the Northwest Territories, Canada.  Available at http://www.enr.gov.nt.ca/programs/wildlife-research/wildlife-management-information-services

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Citation for Bird Range Maps of North America:
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