Coleophora leucochrysella - Clemens, 1863
Chestnut Casebearer
Taxonomic Status: Accepted
Unique Identifier: ELEMENT_GLOBAL.2.110833
Element Code: IILEG36190
Informal Taxonomy: Animals, Invertebrates - Insects - Butterflies and Moths - Other Moths
 
Kingdom Phylum Class Order Family Genus
Animalia Mandibulata Insecta Lepidoptera Coleophoridae Coleophora
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: Coleophora leucochrysella
Conservation Status
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NatureServe Status

Global Status: GU
Global Status Last Reviewed: 08Aug2005
Global Status Last Changed: 08Aug2005
Rounded Global Status: GU - Unrankable
Reasons: Except that this species is not yet extinct, but appears headed that way, little is known. This species might yet recover if genetically modified or otherwise or blight resistant American chestnuts or a sufficiently similar hybrid ever become common enough in North American forests.
Nation: United States
National Status: NNR

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 Pennsylvania (SX)

Other Statuses

IUCN Red List Category: EX - Extinct

NatureServe Global Conservation Status Factors

Range Extent: Unknown
Range Extent Comments: Probably originally similar to American Chestnut.

Area of Occupancy: Unknown 4-km2 grid cells
Area of Occupancy Comments:  

Number of Occurrences: Unknown

Population Size: Unknown

Number of Occurrences with Good Viability/Integrity: None to very few (0-3)
Viability/Integrity Comments: This species is persisting in places on chestnut sprouts but cannot be expected to do so forever. David Wagner (as quoted in The American Chestnut Foundatation, 2002) suggests extinction is likely in another 50-75 years.

Short-term Trend: Decline of 10-30%

Long-term Trend: Decline of >90%
Long-term Trend Comments: Has declined about the same as American Chestnut so far as known.

Environmental Specificity: Narrow. Specialist or community with key requirements common.
Environmental Specificity Comments: Thought to be a specialist on American chestnut.

Other NatureServe Conservation Status Information

Distribution
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Global Range: (Unknown) Probably originally similar to American Chestnut.

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.

Map unavailable!:
Distribution data for U.S. states and Canadian provinces is known to be incomplete or has not been reviewed for this taxon.

U.S. & Canada State/Province Distribution
United States PAextirpated

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
PA Northampton (42095)*
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
02 Middle Delaware-Musconetcong (02040105)+*
+ 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: Chestnut Feeding Microlepidoptera

Use Class: Not applicable
Minimum Criteria for an Occurrence: A location where the species occurs or has occurred where there is potential for persistence or regular recurrence. Minimally a collection site with sufficient chestnut or alternate hostplant to sustain a population. Verification standards vary and for some species the leaf mines themselves could be adequate. For others an adult specimen is the minimum standard. All occurrences require verification by an expert on Microlepidoptera and a voucher specimen of an appropriate stage.
Mapping Guidance: In some cases it might be warranted to map individual utilized plants using GIS.
Separation Distance for Unsuitable Habitat: 1 km
Separation Distance for Suitable Habitat: 2 km
Separation Justification: There are no data and most of the taxa likely to get these Specs are greatly reduced or "globally historic". Since American chestnut is now greatly reduced it is assumed any surviving occurrences of these moths are very localized on a few plants, Where chestnut sprouts occur over large areas so might these moths but for now it should not be assumed that populations occupy all "suitable" habitat, especially given the periodic die back of chestnut sprouts and small size of these moths.
Inferred Minimum Extent of Habitat Use (when actual extent is unknown): 1 km
Inferred Minimum Extent Justification: Usually habitat will be small and apparent based on larval signs or simply because there are only a few chestnuts available at the collection site. Consider the entire area containing chestnut to be occupied up to about 400 hectares.
Date: 31Oct2001
Author: Schweitzer, Dale F.
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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NatureServe Conservation Status Factors Edition Date: 08Aug2005
NatureServe Conservation Status Factors Author: Schweitzer, Dale F.

Zoological data developed by NatureServe and its network of natural heritage programs (see Local Programs) and other contributors and cooperators (see Sources).

References
Help
  • 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.

  • Opler, P.A. 1978. Insects of American chestnut: possible importance and conservation concern. Proc. American Chestnut Symposium, WV Univ., Morgantown. pp. 83-85.

  • The American Chestnut Foundation. 2002. Wildlife Connection: what happened to the insects? One page article available on line at http://www.acf.org/wildlife_11.htm#top.

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