153 lines
16 KiB
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153 lines
16 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.221.3234" ID-GBIF-Dataset="b6521187-a030-4b18-8f9d-f35084c9336a" ID-PMC="PMC3487634" ID-Pensoft-Pub="1313-2970-221-31" ID-PubMed="23129980" ModsDocAuthor="" ModsDocDate="2012" ModsDocID="1313-2970-221-31" ModsDocOrigin="ZooKeys 221" ModsDocTitle="A revision of the Megachile subgenus Litomegachile Mitchell with an illustrated key and description of a new species (Hymenoptera, Megachilidae, Megachilini)" checkinTime="1451248746570" checkinUser="pensoft" docAuthor="Bzdyk, Emily L." docDate="2012" docId="072D1D9A34A33ED10F0A43255735D0F0" docLanguage="en" docName="ZooKeys 221: 31-61" docOrigin="ZooKeys 221" docSource="http://dx.doi.org/10.3897/zookeys.221.3234" docTitle="Megachile (Litomegachile) onobrychidis Cockerell 1908" docType="treatment" docVersion="3" lastPageNumber="46" masterDocId="CB68FFB2082C476FFFF5FFD7FFFB0B6B" masterDocTitle="A revision of the Megachile subgenus Litomegachile Mitchell with an illustrated key and description of a new species (Hymenoptera, Megachilidae, Megachilini)" masterLastPageNumber="61" masterPageNumber="31" pageNumber="45" updateTime="1668154456179" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>A revision of the Megachile subgenus Litomegachile Mitchell with an illustrated key and description of a new species (Hymenoptera, Megachilidae, Megachilini)</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Bzdyk, Emily L.</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2012</mods:date>
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<mods:detail type="volume">
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<mods:number>221</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>31</mods:start>
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<mods:end>61</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.221.3234</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.221.3234</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-221-31</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152037034" LSID="urn:lsid:plazi:treatment:072D1D9A34A33ED10F0A43255735D0F0" httpUri="http://treatment.plazi.org/id/072D1D9A34A33ED10F0A43255735D0F0" lastPageId="15" lastPageNumber="46" pageId="14" pageNumber="45">
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<subSubSection pageId="14" pageNumber="45" type="nomenclature">
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<paragraph pageId="14" pageNumber="45">
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<taxonomicName LSID="http://species-id.net/wiki/Megachile_onobrychidis" authority="Cockerell, 1908" authorityName="Cockerell" authorityYear="1908" class="Insecta" family="Megachilidae" genus="Megachile" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Megachile (Litomegachile) onobrychidis" order="Hymenoptera" pageId="14" pageNumber="45" phylum="Arthropoda" rank="species" species="onobrychidis" subGenus="Litomegachile">Megachile (Litomegachile) onobrychidis Cockerell, 1908</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="14" pageNumber="45" type="reference_group">
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<paragraph pageId="14" pageNumber="45">
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<taxonomicName class="Insecta" family="Megachilidae" genus="Megachile" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Megachile onobrychidis" order="Hymenoptera" pageId="14" pageNumber="45" phylum="Arthropoda" rank="species" species="onobrychidis">Megachile onobrychidis</taxonomicName>
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Cockerell, 1908: 266 Holotype male, USA: New Mexico (CAS).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="14" pageNumber="45" type="diagnosis">
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<paragraph pageId="14" pageNumber="45">Diagnosis.</paragraph>
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<paragraph pageId="14" pageNumber="45">
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The male
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<taxonomicName class="Insecta" family="Megachilidae" genus="Megachile" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Megachile onobrychidis" order="Hymenoptera" pageId="14" pageNumber="45" phylum="Arthropoda" rank="species" species="onobrychidis">Megachile onobrychidis</taxonomicName>
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is best distinguished from other species in this subgenus by the lack of a white tomentum on T6.The female
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<taxonomicName class="Insecta" family="Megachilidae" genus="Megachile" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Megachile onobrychidis" order="Hymenoptera" pageId="14" pageNumber="45" phylum="Arthropoda" rank="species" species="onobrychidis">Megachile onobrychidis</taxonomicName>
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resembles
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<taxonomicName class="Insecta" family="Megachilidae" genus="Megachile" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Megachile brevis" order="Hymenoptera" pageId="14" pageNumber="45" phylum="Arthropoda" rank="species" species="brevis">Megachile brevis</taxonomicName>
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, but with entirely black setae on S6 and apically on S5, and no pale appressed pubescence on T6.
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</paragraph>
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<paragraph pageId="14" pageNumber="45">Female. Body length9-12 mm. Mandible 4-toothed with no angulation on surface between teeth 3 and 4 (Figure 4A). T2-3 with deep transverse basal groove, T4 with shallow groove. T1-5 with apical fringes of white hair that covers marginal zone; T1-2 with thin or medially interrupted fringes of white hair, and white discal pubescence; T3-5 with black discal pubescence. T6 convex basally and concave apically in profile, and concave laterally in dorsal view; with erect setae basally and black appressed pubescence. S1-4 with ivory setae; S5 with black setae apically, ivory setae basally; S6 with black setae (Figure 5E).</paragraph>
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<paragraph pageId="14" pageNumber="45">
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Male. Body length7-9 mm. Mandible 3-toothed. Ocellocular distance equal to ocelloccipital distance (Figure 4D). T1-2 with white discal pubescence; T4-6 with white discal pubescence basally, black pubescence apically. Head and mesosoma with white pubescence (may appear yellow in early season specimens). T5 with complete fringe of white hair that covers marginal zone. T6 without tomentum, hairs sparse and discal surface clearly visible beneath (Figure 6H); transverse carina variable in shape, usually with indistinct medial notch and asymmetrical jagged projections; true apical margin with submedial teeth closer to lateral teeth than each other (Figure 6B). Genitalia and hidden sterna resemble those of
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<taxonomicName class="Insecta" family="Megachilidae" genus="Megachile" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Megachile brevis" order="Hymenoptera" pageId="14" pageNumber="45" phylum="Arthropoda" rank="species" species="brevis">Megachile brevis</taxonomicName>
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(Figures 7A1-A4).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="14" pageNumber="45" type="variability">
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<paragraph pageId="14" pageNumber="45">Variability.</paragraph>
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<paragraph pageId="14" pageNumber="45">
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Male
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<taxonomicName class="Insecta" family="Megachilidae" genus="Megachile" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Megachile onobrychidis" order="Hymenoptera" pageId="14" pageNumber="45" phylum="Arthropoda" rank="species" species="onobrychidis">Megachile onobrychidis</taxonomicName>
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are separated from
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<taxonomicName class="Insecta" family="Megachilidae" genus="Megachile" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Megachile brevis" order="Hymenoptera" pageId="14" pageNumber="45" phylum="Arthropoda" rank="species" species="brevis">Megachile brevis</taxonomicName>
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in part by the lack of a tomentum on T6. Some specimens have no tomentum while others have sparse tomentum type hairs, but as long as these hairs are sparse enough so that the tergal surface is still visible, they are
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<taxonomicName class="Insecta" family="Megachilidae" genus="Megachile" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Megachile onobrychidis" order="Hymenoptera" pageId="14" pageNumber="45" phylum="Arthropoda" rank="species" species="onobrychidis">Megachile onobrychidis</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="14" pageNumber="45" type="distribution">
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<paragraph pageId="14" pageNumber="45">Distribution of material examined.</paragraph>
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<paragraph pageId="14" pageNumber="45">USA: Arizona: Cochise County (Aug.); California: Calaveras, Colusa Contra Costa, Humboldt, Imperial, Lake, Lassen, Los Angeles, Mendocino, Merced, Modoc, Monterey, Napa, Nevada, Orange, Placer, Plumas, Riverside, Sacramento, San Bernardino, Shasta, Siskiyou, Sonoma, Stanislaus, Tehama, Tuolumne, Tulare, Yolo and Yuba Counties (May-Oct.); Idaho: Canyon County (Aug.); Nevada: Churchill, Elko, Humboldt, Lyon and Washoe Counties (Jun.-Aug.); Oregon: Cassia and Jackson Counties (Jun.-Jul.); Utah: Cache and Wasatch Counties (Jun.-Aug.); MEXICO: Sinaloa, Sonora. 126 females, 193 males.</paragraph>
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</subSubSection>
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<subSubSection lastPageId="15" lastPageNumber="46" pageId="14" pageNumber="45" type="flower records">
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<paragraph pageId="14" pageNumber="45">Flower records.</paragraph>
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<paragraph lastPageId="15" lastPageNumber="46" pageId="14" pageNumber="45">
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<taxonomicName class="Magnoliopsida" family="Apocynaceae" genus="Asclepias" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Asclepias speciosa" order="Gentianales" pageId="14" pageNumber="45" phylum="Tracheophyta" rank="species" species="speciosa">Asclepias speciosa</taxonomicName>
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(
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<taxonomicName genus="Asclepiadaceae" lsidName="Asclepiadaceae" pageId="14" pageNumber="45" rank="genus">Asclepiadaceae</taxonomicName>
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),
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<taxonomicName class="Magnoliopsida" family="Myrtaceae" genus="Calothamnus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Calothamnus" order="Myrtales" pageId="14" pageNumber="45" phylum="Tracheophyta" rank="genus">Calothamnus</taxonomicName>
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sp. (
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<taxonomicName genus="Myrtaceae" lsidName="Myrtaceae" pageId="14" pageNumber="45" rank="genus">Myrtaceae</taxonomicName>
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),
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<taxonomicName class="Magnoliopsida" family="Onagraceae" genus="Clarkia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Clarkia biloba" order="Myrtales" pageId="14" pageNumber="45" phylum="Tracheophyta" rank="species" species="biloba">Clarkia biloba</taxonomicName>
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(
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<taxonomicName genus="Onagraceae" lsidName="Onagraceae" pageId="14" pageNumber="45" rank="genus">Onagraceae</taxonomicName>
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),
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<taxonomicName class="Magnoliopsida" family="Onagraceae" genus="Clarkia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Clarkia dudleyana" order="Myrtales" pageId="14" pageNumber="45" phylum="Tracheophyta" rank="species" species="dudleyana">Clarkia dudleyana</taxonomicName>
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(
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<taxonomicName genus="Onagraceae" lsidName="Onagraceae" pageId="14" pageNumber="45" rank="genus">Onagraceae</taxonomicName>
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),
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<taxonomicName class="Magnoliopsida" family="Onagraceae" genus="Clarkia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Clarkia unguiculata" order="Myrtales" pageId="14" pageNumber="45" phylum="Tracheophyta" rank="species" species="unguiculata">Clarkia unguiculata</taxonomicName>
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(
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<taxonomicName genus="Onagraceae" lsidName="Onagraceae" pageId="14" pageNumber="45" rank="genus">Onagraceae</taxonomicName>
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),
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<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Dalea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dalea polydenia" order="Fabales" pageId="14" pageNumber="45" phylum="Tracheophyta" rank="species" species="polydenia">Dalea polydenia</taxonomicName>
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(
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<taxonomicName genus="Fabaceae" lsidName="Fabaceae" pageId="14" pageNumber="45" rank="genus">Fabaceae</taxonomicName>
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),
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<taxonomicName class="Magnoliopsida" family="Apiaceae" genus="Daucus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Daucus" order="Apiales" pageId="14" pageNumber="45" phylum="Tracheophyta" rank="genus">Daucus</taxonomicName>
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sp.(
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<taxonomicName genus="Apiaceae" lsidName="Apiaceae" pageId="14" pageNumber="45" rank="genus">Apiaceae</taxonomicName>
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),
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<taxonomicName class="Magnoliopsida" family="Asteraceae" genus="Grindelia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Grindelia camporum" order="Asterales" pageId="14" pageNumber="45" phylum="Tracheophyta" rank="species" species="camporum">Grindelia camporum</taxonomicName>
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<pageBreakToken pageId="15" pageNumber="46" start="start">(</pageBreakToken>
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<taxonomicName genus="Asteraceae" lsidName="Asteraceae" pageId="15" pageNumber="46" rank="genus">Asteraceae</taxonomicName>
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),
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<taxonomicName class="Magnoliopsida" family="Asteraceae" genus="Lactuca" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Lactuca pulchella" order="Asterales" pageId="15" pageNumber="46" phylum="Tracheophyta" rank="species" species="pulchella">Lactuca pulchella</taxonomicName>
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(
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<taxonomicName genus="Asteraceae" lsidName="Asteraceae" pageId="15" pageNumber="46" rank="genus">Asteraceae</taxonomicName>
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),
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<taxonomicName class="Magnoliopsida" family="Loasaceae" genus="Mentzelia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Mentzelia" order="Cornales" pageId="15" pageNumber="46" phylum="Tracheophyta" rank="genus">Mentzelia</taxonomicName>
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sp. (
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<taxonomicName genus="Loasaceae" lsidName="Loasaceae" pageId="15" pageNumber="46" rank="genus">Loasaceae</taxonomicName>
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),
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<taxonomicName class="Magnoliopsida" family="Hydrophyllaceae" genus="Phacelia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Phacelia" order="Boraginales" pageId="15" pageNumber="46" phylum="Tracheophyta" rank="genus">Phacelia</taxonomicName>
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sp. (
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<taxonomicName genus="Hydrophyllaceae" lsidName="Hydrophyllaceae" pageId="15" pageNumber="46" rank="genus">Hydrophyllaceae</taxonomicName>
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),
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<taxonomicName class="Magnoliopsida" family="Polygonaceae" genus="Polygonum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Polygonum aubertii" order="Caryophyllales" pageId="15" pageNumber="46" phylum="Tracheophyta" rank="species" species="aubertii">Polygonum aubertii</taxonomicName>
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(
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<taxonomicName genus="Polygonaceae" lsidName="Polygonaceae" pageId="15" pageNumber="46" rank="genus">Polygonaceae</taxonomicName>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="15" pageNumber="46" type="comments">
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<paragraph pageId="15" pageNumber="46">Comments.</paragraph>
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<paragraph pageId="15" pageNumber="46">
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<bibRefCitation author="Mitchell, TB" journalOrPublisher="Transactions of the American Entomological Society" pageId="22" pageNumber="53" pagination="1 - 44" title="A Revision of the Genus Megachile in the Nearctic Region Part 2: Morphology of the male sterna and genital armature and the taxonomy of the subgenera Litomegachile, Neomegachile and Cressoniella." volume="61" year="1935">Mitchell (1935)</bibRefCitation>
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listed this species as a subspecies of
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<taxonomicName class="Insecta" family="Megachilidae" genus="Megachile" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Megachile brevis" order="Hymenoptera" pageId="15" pageNumber="46" phylum="Arthropoda" rank="species" species="brevis">Megachile brevis</taxonomicName>
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. It was elevated to species level by
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<bibRefCitation author="Sheffield, CS" journalOrPublisher="Canadian Journal of Arthropod Identification" pageId="22" pageNumber="53" title="Leafcutter and Mason Bees of the Genus Megachile Latreille (Hymenoptera: Megachilidae) in Canada and Alaska." url="10.3752/cjai.2011.18." volume="18" year="2011">Sheffield et al. (2011)</bibRefCitation>
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. It is a western North American species extending south to Sinaloa, Mexico. (Figure 13).
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</paragraph>
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<caption pageId="15" pageNumber="46">
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<paragraph pageId="15" pageNumber="46">
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Figure 13. Distribution of
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<taxonomicName class="Insecta" family="Megachilidae" genus="Megachile" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Megachile onobrychidis" order="Hymenoptera" pageId="15" pageNumber="46" phylum="Arthropoda" rank="species" species="onobrychidis">Megachile onobrychidis</taxonomicName>
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.
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</paragraph>
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</caption>
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</subSubSection>
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</treatment>
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</document> |