350 lines
41 KiB
XML
350 lines
41 KiB
XML
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<mods:title id="44825795B37086E6A401D5D2D5597C73">The state of systematics of North American Baetis Leach, 1815 (Ephemeroptera: Baetidae), with recommendations for identification of larvae</mods:title>
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<mods:namePart id="363BE35E720C5049542A388C8DF79EB8">Webb, J. M.</mods:namePart>
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<mods:namePart id="F5C2D4758359AE6ED1BF8BE793D532B3">Jacobus, Luke M.</mods:namePart>
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<mods:namePart id="021EEDDFFBEB3A8C082470B6F12219A7">Sullivan, S. P.</mods:namePart>
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<mods:date id="A5ADD6A995ADEB5D1B7D492D6B5448FC">2018</mods:date>
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<treatment id="03D387B4FF91FFC2FF1BFA1EB2EEDE5A" ID-DOI="http://doi.org/10.5281/zenodo.5970417" ID-GBIF-Taxon="142225602" ID-Zenodo-Dep="5970417" LSID="urn:lsid:plazi:treatment:03D387B4FF91FFC2FF1BFA1EB2EEDE5A" httpUri="http://treatment.plazi.org/id/03D387B4FF91FFC2FF1BFA1EB2EEDE5A" lastPageId="5" lastPageNumber="110" pageId="4" pageNumber="109">
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<subSubSection id="C3606529FF91FFC3FF1BFA1EB647DEAA" pageId="4" pageNumber="109" type="nomenclature">
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<paragraph id="8BC536A2FF91FFC3FF1BFA1EB3AEDDC9" blockId="4.[151,416,1445,1471]" box="[151,416,1445,1471]" pageId="4" pageNumber="109">
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<heading id="D08D81CEFF91FFC3FF1BFA1EB3AEDDC9" bold="true" box="[151,416,1445,1471]" fontSize="11" level="1" pageId="4" pageNumber="109" reason="1">
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<emphasis id="B90EEAB0FF91FFC3FF1BFA1EB3AEDDC9" bold="true" box="[151,416,1445,1471]" pageId="4" pageNumber="109">
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<taxonomicName id="4C7A4D21FF91FFC3FF1BFA1EB340DDC9" ID-CoL="68C2P" baseAuthorityName="Linnaeus" baseAuthorityYear="1761" box="[151,334,1445,1471]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="4" pageNumber="109" phylum="Arthropoda" rank="species" species="fuscatus">
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<emphasis id="B90EEAB0FF91FFC3FF1BFA1EB340DDC9" bold="true" box="[151,334,1445,1471]" italics="true" pageId="4" pageNumber="109">Baetis fuscatus</emphasis>
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</taxonomicName>
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group
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8BC536A2FF91FFC3FF1BFA57B647DEAA" blockId="4.[151,1437,1516,2009]" pageId="4" pageNumber="109">
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The
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<taxonomicName id="4C7A4D21FF91FFC3FF40FA56B379DE72" baseAuthorityName="Linnaeus" baseAuthorityYear="1761" box="[204,375,1516,1540]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="4" pageNumber="109" phylum="Arthropoda" rank="species" species="fuscatus">
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<emphasis id="B90EEAB0FF91FFC3FF40FA56B379DE72" box="[204,375,1516,1540]" italics="true" pageId="4" pageNumber="109">Baetis fuscatus</emphasis>
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</taxonomicName>
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group is distinguished from the other North American species groups by labial palps with a distinctly curved outer margin and with the length of segment two <2× the basal width of segment three. Most specimens have an inverted, dark U-shaped marking on the pronotum (in some specimens the ‘U’ may be enclosed in dark pigment, forming a pale spot, e.g., Fig. 12) and a quadrate dark marking on each of the femora (Fig. 34). Robust setae are absent from the antennal scapes and pedicels, paraprocts, gills, and abdominal sterna and terga. Gills have lengths that are <2× their widths, and they have serrate margins. All species in the
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<taxonomicName id="4C7A4D21FF91FFC3FB47F91BB729DECE" baseAuthorityName="Linnaeus" baseAuthorityYear="1761" box="[1227,1319,1696,1720]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="4" pageNumber="109" phylum="Arthropoda" rank="species" species="fuscatus">
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<emphasis id="B90EEAB0FF91FFC3FB47F91BB729DECE" box="[1227,1319,1696,1720]" italics="true" pageId="4" pageNumber="109">fuscatus</emphasis>
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</taxonomicName>
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group are morphologically similar, and specific differences are based mostly on color patterns.
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</paragraph>
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</subSubSection>
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<subSubSection id="C3606529FF91FFC2FF4BF953B1FBDC66" lastPageId="5" lastPageNumber="110" pageId="4" pageNumber="109" type="reference_group">
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<paragraph id="8BC536A2FF91FFC3FF4BF953B199DFC2" blockId="4.[151,1437,1516,2009]" pageId="4" pageNumber="109">
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<taxonomicName id="4C7A4D21FF91FFC3FF4BF953B384DF76" ID-CoL="KCZR" authority=": The" authorityName="The" box="[199,394,1767,1792]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="4" pageNumber="109" phylum="Arthropoda" rank="species" species="notos">
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<emphasis id="B90EEAB0FF91FFC3FF4BF953B341DF76" box="[199,335,1768,1792]" italics="true" pageId="4" pageNumber="109">Baetis notos</emphasis>
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: The
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</taxonomicName>
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larva of this species is differentiated from the
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<taxonomicName id="4C7A4D21FF91FFC3FC01F953B60EDF76" ID-CoL="KCY6" authorityName="McDunnough" authorityYear="1921" box="[909,1024,1768,1792]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="4" pageNumber="109" phylum="Arthropoda" rank="species" species="flavistriga">
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<emphasis id="B90EEAB0FF91FFC3FC01F953B60EDF76" box="[909,1024,1768,1792]" italics="true" pageId="4" pageNumber="109">flavistriga</emphasis>
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</taxonomicName>
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complex species by the combination of ‘crown’ shaped pale markings on abdominal terga (Fig. 13) and the absence of a medial dark band on the caudal filaments. Additionally, the femora lack the distinct quadrate dark marking of other
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<taxonomicName id="4C7A4D21FF91FFC3FBC0F88AB6C6DF3E" ID-CoL="68C2P" baseAuthorityName="Linnaeus" baseAuthorityYear="1761" box="[1100,1224,1840,1864]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="4" pageNumber="109" phylum="Arthropoda" rank="species" species="fuscatus">
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<emphasis id="B90EEAB0FF91FFC3FBC0F88AB6C6DF3E" box="[1100,1224,1840,1864]" italics="true" pageId="4" pageNumber="109">B. fuscatus</emphasis>
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</taxonomicName>
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group species, but have a more indistinctly shaped dark marking of variable size instead. This species was initially thought to be restricted to the southwestern
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<collectingCountry id="F36D7632FF91FFC3FE61F8CCB089DFE6" box="[493,647,1911,1936]" name="United States of America" pageId="4" pageNumber="109">United States</collectingCountry>
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, but it has since been reported from
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<collectingRegion id="49BEF840FF91FFC3FBA7F8CCB691DFE6" box="[1067,1183,1911,1936]" country="United States of America" name="California" pageId="4" pageNumber="109">California</collectingRegion>
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,
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<collectingRegion id="49BEF840FF91FFC3FB20F8C3B70DDFE6" box="[1196,1283,1912,1936]" country="United States of America" name="Oregon" pageId="4" pageNumber="109">Oregon</collectingRegion>
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,
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<collectingRegion id="49BEF840FF91FFC3FA9CF8CCB796DFE6" box="[1296,1432,1911,1936]" country="United States of America" name="Washington" pageId="4" pageNumber="109">Washington</collectingRegion>
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, and
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<collectingRegion id="49BEF840FF91FFC3FF4AF827B308DFC3" box="[198,262,1948,1973]" country="United States of America" name="Idaho" pageId="4" pageNumber="109">Idaho</collectingRegion>
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(
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<bibRefCitation id="EFEB4B53FF91FFC3FE98F827B3D3DFC2" box="[276,477,1948,1972]" pageId="4" pageNumber="109" refId="ref16281" refString="Lester, G. T., McCafferty, W. P. & Edmondson, M. R. (2002) New mayfly (Ephemeroptera) records from Idaho. Entomological News, 113, 131 - 136." type="journal article">
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Lester
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<emphasis id="B90EEAB0FF91FFC3FEEFF826B392DFC2" box="[355,412,1948,1972]" italics="true" pageId="4" pageNumber="109">et al.</emphasis>
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2002
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</bibRefCitation>
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; Meyer &
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<bibRefCitation id="EFEB4B53FF91FFC3FDDAF827B129DFC2" box="[598,807,1948,1973]" pageId="4" pageNumber="109" refId="ref16464" refString="McCafferty, W. P. (2007) Two new synonyms in North American Baetis Leach (Ephemeroptera: Baetidae). Proceedings of the Entomological Society of Washington, 109, 735 - 736." type="journal article">McCafferty 2007a</bibRefCitation>
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; b, 2008).
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</paragraph>
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<paragraph id="8BC536A2FF91FFC2FF4BF87AB177D983" blockId="4.[151,1437,1516,2009]" lastBlockId="5.[151,1437,151,1580]" lastPageId="5" lastPageNumber="110" pageId="4" pageNumber="109">
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<emphasis id="B90EEAB0FF91FFC3FF4BF87AB0B5DFAE" box="[199,699,1984,2008]" italics="true" pageId="4" pageNumber="109">
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<taxonomicName id="4C7A4D21FF91FFC3FF4BF87AB389DFAE" ID-CoL="KCY6" authorityName="McDunnough" authorityYear="1921" box="[199,391,1984,2008]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="4" pageNumber="109" phylum="Arthropoda" rank="species" species="flavistriga">Baetis flavistriga</taxonomicName>
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complex:
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<taxonomicName id="4C7A4D21FF91FFC3FE70F87AB0B5DFAE" ID-CoL="KCY6" authorityName="McDunnough" authorityYear="1921" box="[508,699,1984,2008]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="4" pageNumber="109" phylum="Arthropoda" rank="species" species="flavistriga">Baetis flavistriga</taxonomicName>
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</emphasis>
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, including all of its synonyms, has been reported from all regions of North America. One species,
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<taxonomicName id="4C7A4D21FF90FFC2FD8EFF22B071D8C6" ID-CoL="KD28" authorityName="McDunnough" authorityYear="1923" box="[514,639,152,176]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="phoebus">
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<emphasis id="B90EEAB0FF90FFC2FD8EFF22B071D8C6" box="[514,639,152,176]" italics="true" pageId="5" pageNumber="110">B. phoebus</emphasis>
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</taxonomicName>
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, was recently removed from synonymy with
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<taxonomicName id="4C7A4D21FF90FFC2FBF2FF22B2D6D8A2" ID-CoL="KCY6" authority="(Zhou et al. 2010)" authorityName="Zhou et al." authorityYear="2010" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="flavistriga">
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<emphasis id="B90EEAB0FF90FFC2FBF2FF22B71ED8C6" box="[1150,1296,152,176]" italics="true" pageId="5" pageNumber="110">B. flavistriga</emphasis>
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(Zhou
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<emphasis id="B90EEAB0FF90FFC2FAE8FF22B792D8C6" box="[1380,1436,152,176]" italics="true" pageId="5" pageNumber="110">et al.</emphasis>
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2010)
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</taxonomicName>
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based on molecular evidence and morphological differences in male adults. Larvae of
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<taxonomicName id="4C7A4D21FF90FFC2FB23FF06B722D8A2" ID-CoL="KD28" authorityName="McDunnough" authorityYear="1923" box="[1199,1324,188,212]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="phoebus">
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<emphasis id="B90EEAB0FF90FFC2FB23FF06B722D8A2" box="[1199,1324,188,212]" italics="true" pageId="5" pageNumber="110">B. phoebus</emphasis>
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</taxonomicName>
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appear to differ from other
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<taxonomicName id="4C7A4D21FF90FFC2FED3FF5BB3DCD88E" ID-CoL="KCY6" box="[351,466,224,248]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="flavistriga">
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<emphasis id="B90EEAB0FF90FFC2FED3FF5BB3DCD88E" box="[351,466,224,248]" italics="true" pageId="5" pageNumber="110">flavistriga</emphasis>
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</taxonomicName>
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complex species by the absence or reduction of dark tracheae in the gills and by the smaller, elongate medial pale markings on the abdominal terga (
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<bibRefCitation id="EFEB4B53FF90FFC2FCE5FEBFB1DFD96A" box="[873,977,260,285]" pageId="5" pageNumber="110" refId="ref15328" refString="Ide, F. P. (1937) Descriptions of eastern North American species of baetine mayflies with particular reference to the nymphal stages. Canadian Entomologist, 69, 219 - 231, 235 - 243. https: // doi. org / 10.4039 / Ent 69235 - 11" type="journal article">Ide 1937</bibRefCitation>
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;
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<bibRefCitation id="EFEB4B53FF90FFC2FC51FEBEB72CD96A" box="[989,1314,260,285]" pageId="5" pageNumber="110" refId="ref13955" refString="Bergman, E. A. & Hilsenhoff, W. L. (1978) Baetis (Ephemeroptera: Baetidae) of Wisconsin. Great Lakes Entomologist, 11, 125 - 135." type="journal article">Bergman & Hilsenhoff 1978</bibRefCitation>
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), but more specimens with their identification confirmed through DNA will be required to determine whether these characters are of actual discriminatory use. Until species boundaries within the
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<taxonomicName id="4C7A4D21FF90FFC2FC16FEF7B603D912" ID-CoL="KCY6" box="[922,1037,332,356]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="flavistriga">
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<emphasis id="B90EEAB0FF90FFC2FC16FEF7B603D912" box="[922,1037,332,356]" italics="true" pageId="5" pageNumber="110">flavistriga</emphasis>
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</taxonomicName>
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complex are resolved species-level identifications of larvae are not possible and the use of
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<taxonomicName id="4C7A4D21FF90FFC2FC80FECBB171D9FE" ID-CoL="KCY6" box="[780,895,368,392]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="flavistriga">
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<emphasis id="B90EEAB0FF90FFC2FC80FECBB171D9FE" box="[780,895,368,392]" italics="true" pageId="5" pageNumber="110">flavistriga</emphasis>
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</taxonomicName>
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complex is appropriate (
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<bibRefCitation id="EFEB4B53FF90FFC2FB16FED4B753D9FE" box="[1178,1373,367,392]" pageId="5" pageNumber="110" refId="ref15721" refString="Klubertanz, T. H. (2016) Mayfly Larvae of Wisonsin. University of Wisconsin-Extension, Madison, WI." type="book">Klubertanz 2016</bibRefCitation>
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||
). The distribution of
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<taxonomicName id="4C7A4D21FF90FFC2FEB1FE2EB3B7D9DA" ID-CoL="KD28" authorityName="McDunnough" authorityYear="1923" box="[317,441,404,428]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="phoebus">
|
||
<emphasis id="B90EEAB0FF90FFC2FEB1FE2EB3B7D9DA" box="[317,441,404,428]" italics="true" pageId="5" pageNumber="110">B. phoebus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C7A4D21FF90FFC2FE7CFE2EB08CD9DA" ID-CoL="KCY6" box="[496,642,404,428]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="flavistriga">
|
||
<emphasis id="B90EEAB0FF90FFC2FE7CFE2EB08CD9DA" box="[496,642,404,428]" italics="true" pageId="5" pageNumber="110">B. flavistriga</emphasis>
|
||
</taxonomicName>
|
||
cannot be accurately determined at this time, because many records of
|
||
<taxonomicName id="4C7A4D21FF90FFC2FF1BFE02B327D9A6" ID-CoL="KCY6" box="[151,297,440,464]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="flavistriga">
|
||
<emphasis id="B90EEAB0FF90FFC2FF1BFE02B327D9A6" box="[151,297,440,464]" italics="true" pageId="5" pageNumber="110">B. flavistriga</emphasis>
|
||
</taxonomicName>
|
||
are likely attributable to
|
||
<taxonomicName id="4C7A4D21FF90FFC2FDCEFE02B0B0D9A6" ID-CoL="KD28" authorityName="McDunnough" authorityYear="1923" box="[578,702,440,464]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="phoebus">
|
||
<emphasis id="B90EEAB0FF90FFC2FDCEFE02B0B0D9A6" box="[578,702,440,464]" italics="true" pageId="5" pageNumber="110">B. phoebus</emphasis>
|
||
</taxonomicName>
|
||
, and DNA barcoding results (Webb
|
||
<emphasis id="B90EEAB0FF90FFC2FBDBFE02B681D9A6" box="[1111,1167,440,464]" italics="true" pageId="5" pageNumber="110">et al.</emphasis>
|
||
2012) show
|
||
<taxonomicName id="4C7A4D21FF90FFC2FAACFE02B792D9A6" ID-CoL="KD28" authorityName="McDunnough" authorityYear="1923" box="[1312,1436,440,464]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="phoebus">
|
||
<emphasis id="B90EEAB0FF90FFC2FAACFE02B792D9A6" box="[1312,1436,440,464]" italics="true" pageId="5" pageNumber="110">B. phoebus</emphasis>
|
||
</taxonomicName>
|
||
to be widespread from
|
||
<collectingRegion id="49BEF840FF90FFC2FE15FE67B00FD983" box="[409,513,476,501]" country="United States of America" name="Colorado" pageId="5" pageNumber="110">Colorado</collectingRegion>
|
||
to
|
||
<collectingRegion id="49BEF840FF90FFC2FDA9FE66B0A1D983" box="[549,687,476,501]" country="Canada" name="Nova Scotia" pageId="5" pageNumber="110">Nova Scotia</collectingRegion>
|
||
to
|
||
<collectingRegion id="49BEF840FF90FFC2FD5EFE67B17BD983" box="[722,885,476,501]" country="Canada" name="Saskatchewan" pageId="5" pageNumber="110">Saskatchewan</collectingRegion>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8BC536A2FF90FFC2FF4BFE44B1FBDC66" blockId="5.[151,1437,151,1580]" pageId="5" pageNumber="110">
|
||
Specimens of the
|
||
<taxonomicName id="4C7A4D21FF90FFC2FE1DFDBAB02BDA6E" ID-CoL="KCY6" box="[401,549,512,536]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="flavistriga">
|
||
<emphasis id="B90EEAB0FF90FFC2FE1DFDBAB02BDA6E" box="[401,549,512,536]" italics="true" pageId="5" pageNumber="110">B. flavistriga</emphasis>
|
||
</taxonomicName>
|
||
complex from several localities in far western
|
||
<collectingRegion id="49BEF840FF90FFC2FBB6FE44B6B1DA6E" box="[1082,1215,511,536]" country="United States of America" name="Washington" pageId="5" pageNumber="110">Washington</collectingRegion>
|
||
and
|
||
<collectingRegion id="49BEF840FF90FFC2FB7BFDBBB745DA6E" box="[1271,1355,512,536]" country="United States of America" name="Oregon" pageId="5" pageNumber="110">Oregon</collectingRegion>
|
||
have a color pattern similar to that of
|
||
<taxonomicName id="4C7A4D21FF90FFC2FE72FD9EB053DA4A" ID-CoL="KCZR" box="[510,605,549,572]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="notos">
|
||
<emphasis id="B90EEAB0FF90FFC2FE72FD9EB053DA4A" box="[510,605,549,572]" italics="true" pageId="5" pageNumber="110">B. notos</emphasis>
|
||
</taxonomicName>
|
||
, including having tergum 5 similarly marked as the other terga (Fig. 8) (rather than paler than adjacent segments as seen in other
|
||
<taxonomicName id="4C7A4D21FF90FFC2FCCDFDF3B1BADA16" ID-CoL="KCY6" box="[833,948,584,608]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="flavistriga">
|
||
<emphasis id="B90EEAB0FF90FFC2FCCDFDF3B1BADA16" box="[833,948,584,608]" italics="true" pageId="5" pageNumber="110">flavistriga</emphasis>
|
||
</taxonomicName>
|
||
complex species, as in Figs. 11, 12), and having the more elongate and less quadrate dark markings on the femora (Figs. 35, 36); in contrast to
|
||
<taxonomicName id="4C7A4D21FF90FFC2FABBFDD6B79ADAF2" ID-CoL="KCZR" box="[1335,1428,621,644]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="notos">
|
||
<emphasis id="B90EEAB0FF90FFC2FABBFDD6B79ADAF2" box="[1335,1428,621,644]" italics="true" pageId="5" pageNumber="110">B. notos</emphasis>
|
||
</taxonomicName>
|
||
, however, these far western specimens have a dark medial band on the caudal filaments (Fig. 10) and the pale abdominal macula are slightly less fused (Fig. 9). In late instar specimens, a purple transverse band is apparent on the posterior margins of the abdominal terga (Fig. 9), presumably indicative that the adult will also have the band. Adults of
|
||
<taxonomicName id="4C7A4D21FF90FFC2FE80FD46B364DB62" ID-CoL="KCZR" box="[268,362,765,788]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="notos">
|
||
<emphasis id="B90EEAB0FF90FFC2FE80FD46B364DB62" box="[268,362,765,788]" italics="true" pageId="5" pageNumber="110">B. notos</emphasis>
|
||
</taxonomicName>
|
||
do not have banded abdominal terga, so these specimens from western
|
||
<collectingRegion id="49BEF840FF90FFC2FB26FD47B721DB63" box="[1194,1327,764,789]" country="United States of America" name="Washington" pageId="5" pageNumber="110">Washington</collectingRegion>
|
||
probably represent a different species than
|
||
<taxonomicName id="4C7A4D21FF90FFC2FD98FC9AB07FDB4E" ID-CoL="KCZR" box="[532,625,801,824]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="notos">
|
||
<emphasis id="B90EEAB0FF90FFC2FD98FC9AB07FDB4E" box="[532,625,801,824]" italics="true" pageId="5" pageNumber="110">B. notos</emphasis>
|
||
</taxonomicName>
|
||
. The only described
|
||
<taxonomicName id="4C7A4D21FF90FFC2FCEFFC9BB1D8DB4E" ID-CoL="KCY6" box="[867,982,800,824]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="flavistriga">
|
||
<emphasis id="B90EEAB0FF90FFC2FCEFFC9BB1D8DB4E" box="[867,982,800,824]" italics="true" pageId="5" pageNumber="110">flavistriga</emphasis>
|
||
</taxonomicName>
|
||
complex adults with banded abdominal segments are
|
||
<taxonomicName id="4C7A4D21FF90FFC2FEB9FCFEB3D0DB2A" authorityName="Hubbard" authorityYear="1974" box="[309,478,836,860]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="quebecensis">
|
||
<emphasis id="B90EEAB0FF90FFC2FEB9FCFEB3D0DB2A" box="[309,478,836,860]" italics="true" pageId="5" pageNumber="110">B. quebecensis</emphasis>
|
||
</taxonomicName>
|
||
, a synonym of
|
||
<taxonomicName id="4C7A4D21FF90FFC2FD14FCFEB119DB2A" ID-CoL="KD28" authorityName="McDunnough" authorityYear="1923" box="[664,791,836,860]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="phoebus">
|
||
<emphasis id="B90EEAB0FF90FFC2FD14FCFEB119DB2A" box="[664,791,836,860]" italics="true" pageId="5" pageNumber="110">B. phoebus</emphasis>
|
||
</taxonomicName>
|
||
, and
|
||
<taxonomicName id="4C7A4D21FF90FFC2FCD6FCFEB1D0DB2A" authorityName="Edmunds & Allen" authorityYear="1957" box="[858,990,837,860]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="caurinus">
|
||
<emphasis id="B90EEAB0FF90FFC2FCD6FCFEB1D0DB2A" box="[858,990,837,860]" italics="true" pageId="5" pageNumber="110">B. caurinus</emphasis>
|
||
</taxonomicName>
|
||
, currently a synonym of
|
||
<taxonomicName id="4C7A4D21FF90FFC2FA8BFCFEB37EDBF6" ID-CoL="KCY6" authority="(McCafferty 2007)" authorityName="McCafferty" authorityYear="2007" baseAuthorityName="McCafferty" baseAuthorityYear="2007" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="flavistriga">
|
||
<emphasis id="B90EEAB0FF90FFC2FA8BFCFEB792DB2A" box="[1287,1436,836,860]" italics="true" pageId="5" pageNumber="110">B. flavistriga</emphasis>
|
||
(
|
||
<bibRefCitation id="EFEB4B53FF90FFC2FF12FCDCB366DBF6" box="[158,360,871,896]" pageId="5" pageNumber="110" refId="ref16464" refString="McCafferty, W. P. (2007) Two new synonyms in North American Baetis Leach (Ephemeroptera: Baetidae). Proceedings of the Entomological Society of Washington, 109, 735 - 736." type="journal article">McCafferty 2007</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
.
|
||
<taxonomicName id="4C7A4D21FF90FFC2FEF0FCD3B026DBF6" ID-CoL="KD28" authorityName="McDunnough" authorityYear="1923" box="[380,552,872,896]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="phoebus">
|
||
<emphasis id="B90EEAB0FF90FFC2FEF0FCD3B026DBF6" box="[380,552,872,896]" italics="true" pageId="5" pageNumber="110">Baetis phoebus</emphasis>
|
||
</taxonomicName>
|
||
has not been reported west of the Rocky Mountains, and the larvae (Fig. 12) have a color pattern typical of the
|
||
<taxonomicName id="4C7A4D21FF90FFC2FDA0FC37B091DBD2" ID-CoL="KCY6" baseAuthorityName="McCafferty" baseAuthorityYear="2007" box="[556,671,908,932]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="flavistriga">
|
||
<emphasis id="B90EEAB0FF90FFC2FDA0FC37B091DBD2" box="[556,671,908,932]" italics="true" pageId="5" pageNumber="110">flavistriga</emphasis>
|
||
</taxonomicName>
|
||
complex.
|
||
<taxonomicName id="4C7A4D21FF90FFC2FC96FC36B1C2DBD2" authorityName="Edmunds & Allen" authorityYear="1957" box="[794,972,909,932]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="caurinus">
|
||
<emphasis id="B90EEAB0FF90FFC2FC96FC36B1C2DBD2" box="[794,972,909,932]" italics="true" pageId="5" pageNumber="110">Baetis caurinus</emphasis>
|
||
</taxonomicName>
|
||
, on the other hand, was described from northwestern
|
||
<collectingRegion id="49BEF840FF90FFC2FEBCFC0BB38ADBBE" box="[304,388,944,968]" country="United States of America" name="Oregon" pageId="5" pageNumber="110">Oregon</collectingRegion>
|
||
by Edmunds & Allen (1957b), and the larva remains unknown. The banded-tailed,
|
||
<taxonomicName id="4C7A4D21FF90FFC2FAA0FC0AB767DBBE" ID-CoL="KCZR" box="[1324,1385,945,968]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="notos">
|
||
<emphasis id="B90EEAB0FF90FFC2FAA0FC0AB767DBBE" box="[1324,1385,945,968]" italics="true" pageId="5" pageNumber="110">notos</emphasis>
|
||
</taxonomicName>
|
||
-like larvae from western
|
||
<collectingRegion id="49BEF840FF90FFC2FEF3FC6FB00ADB9B" box="[383,516,980,1005]" country="United States of America" name="Washington" pageId="5" pageNumber="110">Washington</collectingRegion>
|
||
and
|
||
<collectingRegion id="49BEF840FF90FFC2FDB7FC6FB081DB9A" box="[571,655,980,1004]" country="United States of America" name="Oregon" pageId="5" pageNumber="110">Oregon</collectingRegion>
|
||
might prove to be associated with
|
||
<taxonomicName id="4C7A4D21FF90FFC2FB95FC6EB695DB9A" authorityName="Edmunds & Allen" authorityYear="1957" box="[1049,1179,981,1004]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="caurinus">
|
||
<emphasis id="B90EEAB0FF90FFC2FB95FC6EB695DB9A" box="[1049,1179,981,1004]" italics="true" pageId="5" pageNumber="110">B. caurinus</emphasis>
|
||
</taxonomicName>
|
||
, and if this is the case, then the synonymy of
|
||
<taxonomicName id="4C7A4D21FF90FFC2FE1DFC42B01CDC79" authorityName="Edmunds & Allen" authorityYear="1957" box="[401,530,1016,1040]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="caurinus">
|
||
<emphasis id="B90EEAB0FF90FFC2FE1DFC42B01CDC79" box="[401,530,1016,1040]" italics="true" pageId="5" pageNumber="110">B. caurinus</emphasis>
|
||
</taxonomicName>
|
||
with
|
||
<taxonomicName id="4C7A4D21FF90FFC2FDDEFC42B0EADC66" ID-CoL="KCY6" baseAuthorityName="McCafferty" baseAuthorityYear="2007" box="[594,740,1016,1040]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="flavistriga">
|
||
<emphasis id="B90EEAB0FF90FFC2FDDEFC42B0EADC66" box="[594,740,1016,1040]" italics="true" pageId="5" pageNumber="110">B. flavistriga</emphasis>
|
||
</taxonomicName>
|
||
should be reconsidered.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3606529FF90FFC2FF4BFBA7B2EEDE5A" pageId="5" pageNumber="110" type="description">
|
||
<paragraph id="8BC536A2FF90FFC2FF4BFBA7B602DCD6" blockId="5.[151,1437,151,1580]" pageId="5" pageNumber="110">
|
||
The larva of
|
||
<taxonomicName id="4C7A4D21FF90FFC2FEECFBA6B3E6DC42" authorityName="McDunnough" authorityYear="1925" box="[352,488,1053,1076]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="rusticans">
|
||
<emphasis id="B90EEAB0FF90FFC2FEECFBA6B3E6DC42" box="[352,488,1053,1076]" italics="true" pageId="5" pageNumber="110">B. rusticans</emphasis>
|
||
</taxonomicName>
|
||
remains unknown, but DNA barcoding of adults shows them to be nested within sequences of
|
||
<taxonomicName id="4C7A4D21FF90FFC2FEBBFBFAB0B5DC2E" authority="(Webb et al. 2012)" authorityName="Webb et al." authorityYear="2012" box="[311,699,1087,1112]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="flavistriga">
|
||
<emphasis id="B90EEAB0FF90FFC2FEBBFBFAB3C3DC2E" box="[311,461,1088,1112]" italics="true" pageId="5" pageNumber="110">B. flavistriga</emphasis>
|
||
(Webb
|
||
<emphasis id="B90EEAB0FF90FFC2FDA2FBFAB065DC2E" box="[558,619,1088,1112]" italics="true" pageId="5" pageNumber="110">et al.</emphasis>
|
||
2012)
|
||
</taxonomicName>
|
||
; based on this, we tentatively place
|
||
<taxonomicName id="4C7A4D21FF90FFC2FBE1FBFAB6F6DC21" authorityName="McDunnough" authorityYear="1925" box="[1133,1272,1088,1112]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="rusticans">
|
||
<emphasis id="B90EEAB0FF90FFC2FBE1FBFAB6F6DC21" box="[1133,1272,1088,1112]" italics="true" pageId="5" pageNumber="110">B. rusticans</emphasis>
|
||
</taxonomicName>
|
||
within the
|
||
<taxonomicName id="4C7A4D21FF90FFC2FA08FBFAB305DC0A" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="flavistriga">
|
||
<emphasis id="B90EEAB0FF90FFC2FA08FBFAB305DC0A" italics="true" pageId="5" pageNumber="110">B. flavistriga</emphasis>
|
||
</taxonomicName>
|
||
complex and predict the larvae will be similar to those of
|
||
<taxonomicName id="4C7A4D21FF90FFC2FC19FBDEB61EDC0A" authorityName="McDunnough" authorityYear="1923" box="[917,1040,1124,1148]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="phoebus">
|
||
<emphasis id="B90EEAB0FF90FFC2FC19FBDEB61EDC0A" box="[917,1040,1124,1148]" italics="true" pageId="5" pageNumber="110">B. phoebus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C7A4D21FF90FFC2FBCAFBDEB6D6DC0A" box="[1094,1240,1124,1148]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="flavistriga">
|
||
<emphasis id="B90EEAB0FF90FFC2FBCAFBDEB6D6DC0A" box="[1094,1240,1124,1148]" italics="true" pageId="5" pageNumber="110">B. flavistriga</emphasis>
|
||
</taxonomicName>
|
||
. This species has been reported from northeastern North America and Texas (Myers
|
||
<emphasis id="B90EEAB0FF90FFC2FC08FB32B1B3DCD6" box="[900,957,1160,1184]" italics="true" pageId="5" pageNumber="110">et al.</emphasis>
|
||
2008).
|
||
</paragraph>
|
||
<paragraph id="8BC536A2FF90FFC2FF4BFB16B2EEDE5A" blockId="5.[151,1437,151,1580]" pageId="5" pageNumber="110">
|
||
<emphasis id="B90EEAB0FF90FFC2FF4BFB16B004DCB2" box="[199,522,1196,1220]" italics="true" pageId="5" pageNumber="110">
|
||
<taxonomicName id="4C7A4D21FF90FFC2FF4BFB16B397DCB2" authorityName="McDunnough" authorityYear="1921" box="[199,409,1196,1220]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="intercalaris">Baetis intercalaris</taxonomicName>
|
||
complex:
|
||
</emphasis>
|
||
The
|
||
<taxonomicName id="4C7A4D21FF90FFC2FDC7FB17B0C3DCB2" authorityName="McDunnough" authorityYear="1921" box="[587,717,1196,1220]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="intercalaris">
|
||
<emphasis id="B90EEAB0FF90FFC2FDC7FB17B0C3DCB2" box="[587,717,1196,1220]" italics="true" pageId="5" pageNumber="110">intercalaris</emphasis>
|
||
</taxonomicName>
|
||
complex as defined herein consists of only a single accepted nominal taxon,
|
||
<taxonomicName id="4C7A4D21FF90FFC2FEC3FB6AB0E7DC9E" authority="McDunnough, 1921" authorityName="McDunnough" authorityYear="1921" box="[335,745,1231,1256]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="intercalaris">
|
||
<emphasis id="B90EEAB0FF90FFC2FEC3FB6AB3FBDC9E" box="[335,501,1232,1256]" italics="true" pageId="5" pageNumber="110">B. intercalaris</emphasis>
|
||
McDunnough, 1921
|
||
</taxonomicName>
|
||
. However, multiple deeply divergent mtDNA haplogroups, comprising at least six BINs (http://www.boldsystems.org/index.php/Taxbrowser_Taxonpage?taxid=9583), have been observed (Webb
|
||
<emphasis id="B90EEAB0FF90FFC2FE2BFAA2B3E9DD46" box="[423,487,1304,1328]" italics="true" pageId="5" pageNumber="110">et al.</emphasis>
|
||
2012) that may represent putative species. Most specimens encountered have abdominal terga with 3 round pale markings near the posterior margins (Figs. 15, 16), but one distinct haplogroup sequenced by Webb
|
||
<emphasis id="B90EEAB0FF90FFC2FEF0FADAB3BBDD0E" box="[380,437,1376,1400]" italics="true" pageId="5" pageNumber="110">et al.</emphasis>
|
||
(2012) had much reduced markings (Fig. 14). Specimens from
|
||
<collectingRegion id="49BEF840FF90FFC2FBF1FAE4B6FBDD0E" box="[1149,1269,1375,1400]" country="United States of America" name="Oklahoma" pageId="5" pageNumber="110">Oklahoma</collectingRegion>
|
||
,
|
||
<collectingRegion id="49BEF840FF90FFC2FA8CFAE4B796DD0E" box="[1280,1432,1375,1400]" country="United States of America" name="Pennsylvania" pageId="5" pageNumber="110">Pennsylvania</collectingRegion>
|
||
, and
|
||
<collectingRegion id="49BEF840FF90FFC2FF44FA3FB333DDEB" box="[200,317,1412,1437]" country="United States of America" name="Wisconsin" pageId="5" pageNumber="110">Wisconsin</collectingRegion>
|
||
that consistently differ in color pattern from typical
|
||
<taxonomicName id="4C7A4D21FF90FFC2FC15FA3EB635DDEA" authorityName="McDunnough" authorityYear="1921" box="[921,1083,1412,1436]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="intercalaris">
|
||
<emphasis id="B90EEAB0FF90FFC2FC15FA3EB635DDEA" box="[921,1083,1412,1436]" italics="true" pageId="5" pageNumber="110">B. intercalaris</emphasis>
|
||
</taxonomicName>
|
||
in both adult and larval stages were hypothesized to be environmental variants of
|
||
<taxonomicName id="4C7A4D21FF90FFC2FD7AFA12B684DDB6" authority="(Waltz et al. 1996)" authorityName="Waltz et al." authorityYear="1996" box="[758,1162,1447,1472]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="intercalaris">
|
||
<emphasis id="B90EEAB0FF90FFC2FD7AFA12B192DDB6" box="[758,924,1448,1472]" italics="true" pageId="5" pageNumber="110">B. intercalaris</emphasis>
|
||
(Waltz
|
||
<emphasis id="B90EEAB0FF90FFC2FC71FA12B635DDB6" box="[1021,1083,1448,1472]" italics="true" pageId="5" pageNumber="110">et al.</emphasis>
|
||
1996)
|
||
</taxonomicName>
|
||
, but it is possible they represent a distinct species. Larvae are most readily distinguished from those of the
|
||
<taxonomicName id="4C7A4D21FF90FFC2FBD5FA77B6C2DD92" box="[1113,1228,1484,1508]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="110" phylum="Arthropoda" rank="species" species="flavistriga">
|
||
<emphasis id="B90EEAB0FF90FFC2FBD5FA77B6C2DD92" box="[1113,1228,1484,1508]" italics="true" pageId="5" pageNumber="110">flavistriga</emphasis>
|
||
</taxonomicName>
|
||
complex by color pattern, although the third segment of the labial palp is reported to be more bulbous medially (Wiersema
|
||
<emphasis id="B90EEAB0FF90FFC2FAEDFA4AB792DE7E" box="[1377,1436,1520,1544]" italics="true" pageId="5" pageNumber="110">et al.</emphasis>
|
||
2004).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |