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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1169.106815" ID-Pensoft-Pub="1313-2970-1169-293" ID-Pensoft-UUID="E5AABC1995B55CC0A8AA058AE1A65CC0" ID-ZooBank="5892955F77624053B9C8788EB41EBE5F" ModsDocID="1313-2970-1169-293" checkinTime="1689752017616" checkinUser="pensoft" docAuthor="Cheng, Rui, Xue, Da-Yong, Jiang, Nan &amp; Han, Hong-Xiang" docDate="2023" docId="5E5685806D755142B626CC5075C44EA4" docLanguage="en" docName="ZooKeys 1169: 293-305" docOrigin="ZooKeys 1169" docPubDate="2023-07-18" docSource="http://dx.doi.org/10.3897/zookeys.1169.106815" docTitle="Idaea rectangularis Cheng &amp; Han 2023, sp. nov." docType="treatment" docUuid="04A6A888-DC93-4F3F-BA65-F9605770D75F" docUuidSource="ZooBank" docVersion="1" id="E5AABC1995B55CC0A8AA058AE1A65CC0" lastPageNumber="293" masterDocId="E5AABC1995B55CC0A8AA058AE1A65CC0" masterDocTitle="Review of the Idaea proximaria complex (Lepidoptera, Geometridae, Sterrhinae) with descriptions of four new species" masterLastPageNumber="305" masterPageNumber="293" pageNumber="293" updateTime="1689752017616" updateUser="pensoft">
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<mods:title id="E87BD80E74929DCD4F5E4DF69A1B6CD2">Review of the Idaea proximaria complex (Lepidoptera, Geometridae, Sterrhinae) with descriptions of four new species</mods:title>
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<mods:namePart id="505ADD6DA6B8AF38EC235F273BFDC375">Cheng, Rui</mods:namePart>
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<mods:namePart id="2DE296B48A9BF708CBEEA43B837F1A0D">Xue, Da-Yong</mods:namePart>
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<mods:affiliation id="4D7EC3A8FD879AFC7E2C8A9A7E43D647">Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China</mods:affiliation>
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<mods:namePart id="47FB1FD0BF64955D08831482CA3BBDE1">Jiang, Nan</mods:namePart>
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<mods:namePart id="B9F0ECB36520DA55D21EB14D3BE0D2C3">Han, Hong-Xiang</mods:namePart>
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<mods:affiliation id="9C50F744EADFB7D5BC795FF5559173AC">Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China</mods:affiliation>
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<treatment id="5E5685806D755142B626CC5075C44EA4" LSID="urn:lsid:zoobank.org:act:04A6A888-DC93-4F3F-BA65-F9605770D75F" httpUri="http://treatment.plazi.org/id/5E5685806D755142B626CC5075C44EA4" lastPageNumber="293" pageId="0" pageNumber="293">
<subSubSection id="C1E31506C3BFF7C4F4E8B1311587FF60" pageId="0" pageNumber="293" type="nomenclature">
<paragraph id="6CC89302BEF674B6F0712FEB3D6F5EA1" pageId="0" pageNumber="293">
<taxonomicName id="71139DC619C173EA5C934E15E3781D82" LSID="https://zoobank.org/04A6A888-DC93-4F3F-BA65-F9605770D75F" authority="Cheng &amp; Han" authorityName="Cheng &amp; Han" authorityYear="2023" class="Insecta" family="Geometridae" genus="Idaea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Idaea rectangularis" order="Lepidoptera" pageId="0" pageNumber="293" phylum="Arthropoda" rank="species" species="rectangularis" status="sp. nov.">Idaea rectangularis Cheng &amp; Han</taxonomicName>
<taxonomicNameLabel id="8AB7ED8204094A6810B282F83DA510E9" pageId="0" pageNumber="293">sp. nov.</taxonomicNameLabel>
</paragraph>
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<subSubSection id="B58ABAAC3821088DF03169BCDA7E2349" pageId="0" pageNumber="293" type="description">
<paragraph id="CCAD75A7BC81C30ACDE21B328E12763D" pageId="0" pageNumber="293">
<figureCitation id="0A9B1A85D4783ED3B5FF246976020CAD" captionStart="Figures 115" captionStartId="F1" captionText="Figures 1 - 15. (1 - 2) Male hind tibia and tarsus of Idaea proximaria 1 lateral view 2 medial view. (3 - 14) Adults of Idaea proximaria complex 3 - 7 I. proximaria 3 male, Jiguanshan, Sichuan 4 female, Baoxing, Sichuan 5 - 7 Jinsixia, Shaanxi 5 - 6 male 7 female 8 - 9 I. rectangularis sp. nov. 8 holotype, male, IZCAS 9 paratype, female, IZCAS 10 I. rectispina sp. nov., holotype, male, IZCAS 11 - 12 I. setosa sp. nov. 11 holotype, male, IZCAS 12 paratype, female, IZCAS 13 I. linearis sp. nov., holotype, female, IZCAS 14 I. craspedota. 15 Neighbour-Joining (NJ) tree of selected Idaea proximaria complex based on the Kimura two-parameter model. Scale bar: 1 cm (3 - 14)." figureDoi="10.3897/zookeys.1169.106815.figures1-15" httpUri="https://binary.pensoft.net/fig/880632" pageId="0" pageNumber="293">Figs 8</figureCitation>
<figureCitation id="241E4ADD9E721A2D58680972182E8F15" captionStart="Figures 115" captionStartId="F1" captionText="Figures 1 - 15. (1 - 2) Male hind tibia and tarsus of Idaea proximaria 1 lateral view 2 medial view. (3 - 14) Adults of Idaea proximaria complex 3 - 7 I. proximaria 3 male, Jiguanshan, Sichuan 4 female, Baoxing, Sichuan 5 - 7 Jinsixia, Shaanxi 5 - 6 male 7 female 8 - 9 I. rectangularis sp. nov. 8 holotype, male, IZCAS 9 paratype, female, IZCAS 10 I. rectispina sp. nov., holotype, male, IZCAS 11 - 12 I. setosa sp. nov. 11 holotype, male, IZCAS 12 paratype, female, IZCAS 13 I. linearis sp. nov., holotype, female, IZCAS 14 I. craspedota. 15 Neighbour-Joining (NJ) tree of selected Idaea proximaria complex based on the Kimura two-parameter model. Scale bar: 1 cm (3 - 14)." figureDoi="10.3897/zookeys.1169.106815.figures1-15" httpUri="https://binary.pensoft.net/fig/880632" pageId="0" pageNumber="293">, 9</figureCitation>
<figureCitation id="24D1B3CC433E7F91CF3C856A6322D8C5" captionStart="Figures 1627" captionStartId="F2" captionText="Figures 16 - 27. (16 - 23) Male genitalia of Idaea proximaria complex 16 - 19 I. proximaria 16 - 17 Shizipo, Sichuan 18 - 19 Jinsixia, Shaanxi 20 I. rectangularis sp. nov., holotype 21 I. rectispina sp. nov., holotype 22 I. setosa sp. nov., holotype 23 I. craspedota. (24 - 27) Aedeagus of I. proximaria complex 24 - 26 I. proximaria 24 Dashuigou, Sichuan 25 Shizipo, Sichuan 26 Jinsixia, Shaanxi 27 I. rectangularis sp. nov., holotype. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1169.106815.figures16-27" httpUri="https://binary.pensoft.net/fig/880633" pageId="0" pageNumber="293">, 20</figureCitation>
<figureCitation id="C7A553DB7F3B8D17A28E0ED3D0DEF9D2" captionStart="Figures 1627" captionStartId="F2" captionText="Figures 16 - 27. (16 - 23) Male genitalia of Idaea proximaria complex 16 - 19 I. proximaria 16 - 17 Shizipo, Sichuan 18 - 19 Jinsixia, Shaanxi 20 I. rectangularis sp. nov., holotype 21 I. rectispina sp. nov., holotype 22 I. setosa sp. nov., holotype 23 I. craspedota. (24 - 27) Aedeagus of I. proximaria complex 24 - 26 I. proximaria 24 Dashuigou, Sichuan 25 Shizipo, Sichuan 26 Jinsixia, Shaanxi 27 I. rectangularis sp. nov., holotype. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1169.106815.figures16-27" httpUri="https://binary.pensoft.net/fig/880633" pageId="0" pageNumber="293">, 27</figureCitation>
<figureCitation id="D99AAAADC344C25BAB34A3B8A02CF8E4" captionStart="Figures 2834" captionStartId="F3" captionText="Figures 28 - 34. (28 - 29) Aedeagus of I. proximaria complex 28 I. rectispina sp. nov., holotype 29 I. setosa sp. nov., holotype (30 - 34) Female genitalia of I. proximaria complex 30 I. proximaria 31 I. rectangularis sp. nov., paratype 32 I. setosa sp. nov., paratype 33 I. linearis sp. nov., holotype 34 I. craspedota. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1169.106815.figures28-34" httpUri="https://binary.pensoft.net/fig/880634" pageId="0" pageNumber="293">, 31</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="FC697915FC7140BCEBBA5DB5AA33363E" pageId="0" pageNumber="293" type="type material">
<paragraph id="02E6D2E07EE15B32BED9E2413AA4C788" pageId="0" pageNumber="293">Type material.</paragraph>
<paragraph id="B23A8BCAB89D1CD176AE9650AC709A01" pageId="0" pageNumber="293">
<emphasis id="3558FE493DA98442EE3185B8FD7E73F5" bold="true" italics="true" pageId="0" pageNumber="293">Holotype</emphasis>
, ♂,
<emphasis id="4340DED198BCAC01316BC484EEFDB5A0" bold="true" pageId="0" pageNumber="293">China: Guangxi</emphasis>
(IZCAS): Jinxiu, Linhaishanzhuang, 1000 m, 2.VII.2000, leg. Li Wenzhu, slide no. Geom-5160.
<emphasis id="CF788797BD8771663B2DDD05891D8526" bold="true" pageId="0" pageNumber="293">
<emphasis id="A2705B61269EBE78E718E6FA3A4F7A16" italics="true" pageId="0" pageNumber="293">Paratypes</emphasis>
: Guangxi
</emphasis>
(IZCAS): 1♂2♀, same data as holotype, slide no. Geom-5161(♀); 1♀, Huanjiang, Yangmeiao, 1189 m, 18-22.VII.2015, leg. Jiang Nan, slide no. Geom-5187.
<emphasis id="D9F4F30919C0D686AEAEE73CAA9DDFE7" bold="true" pageId="0" pageNumber="293">Fujian</emphasis>
(IZCAS): 1♀, Chongan, Xingcun, Guadun, 900-1160 m, 8.VII.1963, leg. Zhang Youwei; 1♀, Wuyishan, Dazhulan, 1150 m, 28.VII.2006, leg. Xue Dayong, slide no. Geom-5182.
</paragraph>
</subSubSection>
<subSubSection id="35F744DE87929ECA648834F3FDEE1255" pageId="0" pageNumber="293" type="diagnosis">
<paragraph id="2F4F85F7FED80D9CACD9EDCB8E28D4A6" pageId="0" pageNumber="293">Diagnosis.</paragraph>
<paragraph id="3CC098497B7145E69546ADB3B7CAA491" pageId="0" pageNumber="293">
Compared to
<taxonomicName id="6617BAED6A153B74BAC1C7214831E77B" lsidName="I. proximaria" pageId="0" pageNumber="293" rank="species" species="proximaria">
<emphasis id="8FECEB5C989A76624DCB95C6059ACEE7" italics="true" pageId="0" pageNumber="293">I. proximaria</emphasis>
</taxonomicName>
, the forewing apex of
<taxonomicName id="DBC0F406FAD62F11BDE0DB899292FA1B" lsidName="I. rectangularis" pageId="0" pageNumber="293" rank="species" species="rectangularis">
<emphasis id="70ED21BA157830D2930498D2D5F63A46" italics="true" pageId="0" pageNumber="293">I. rectangularis</emphasis>
</taxonomicName>
is somewhat sharper, and the first segment of male hind tarsus is darker. The male genitalia of
<taxonomicName id="174919D0E53762E36A2DF6ADF7FF8817" lsidName="I. rectangularis" pageId="0" pageNumber="293" rank="species" species="rectangularis">
<emphasis id="12C7B16765F3659F91265EFF40E7B541" italics="true" pageId="0" pageNumber="293">I. rectangularis</emphasis>
</taxonomicName>
are similar to those of
<taxonomicName id="45618B047B5EE06942AFAD2ECC9822DC" lsidName="I. proximaria" pageId="0" pageNumber="293" rank="species" species="proximaria">
<emphasis id="0642B1A780D349904AD2430EAA78723D" italics="true" pageId="0" pageNumber="293">I. proximaria</emphasis>
</taxonomicName>
, but can be differentiated by the following characters: the anellus is smaller than that of
<taxonomicName id="2C345EEC4D268266AE6EA4E371C32705" lsidName="I. proximaria" pageId="0" pageNumber="293" rank="species" species="proximaria">
<emphasis id="0A00EBF630C2E83AF1852BB9A15E572B" italics="true" pageId="0" pageNumber="293">I. proximaria</emphasis>
</taxonomicName>
, and the anterior half lacks spines on the lateral margin in
<taxonomicName id="51862DDD2010F2F01EB42AFC9B3D510C" lsidName="I. rectangularis" pageId="0" pageNumber="293" rank="species" species="rectangularis">
<emphasis id="565F374507FAD2C6CD9420901BCA8EF7" italics="true" pageId="0" pageNumber="293">I. rectangularis</emphasis>
</taxonomicName>
whereas these are present in
<taxonomicName id="D9DF9EADC83776747E51DF10852FEEEC" lsidName="I. proximaria" pageId="0" pageNumber="293" rank="species" species="proximaria">
<emphasis id="825DF83114FBFBBD4F3153D1853917EF" italics="true" pageId="0" pageNumber="293">I. proximaria</emphasis>
</taxonomicName>
; the valva possesses a small blunt finger-like process in
<taxonomicName id="A0A33934624303C569DBF3419B3B2ED2" lsidName="I. rectangularis" pageId="0" pageNumber="293" rank="species" species="rectangularis">
<emphasis id="8175463FD83D3FD0C86C21431D47CF2D" italics="true" pageId="0" pageNumber="293">I. rectangularis</emphasis>
</taxonomicName>
, whereas in
<taxonomicName id="093DFDBE6E572923B0F0815110900AC4" lsidName="I. proximaria" pageId="0" pageNumber="293" rank="species" species="proximaria">
<emphasis id="3A873615FAE01BA75037820E27817903" italics="true" pageId="0" pageNumber="293">I. proximaria</emphasis>
</taxonomicName>
there is only a protrusion which does not form a process; the slightly concave uncus is also different. The aedeagus is distinguished by the number of the cornuti, which is five in
<taxonomicName id="0938418C4C063E46A07C74BCE900514A" lsidName="I. rectangularis" pageId="0" pageNumber="293" rank="species" species="rectangularis">
<emphasis id="37B6C8B4465E0EA54E6475986C374661" italics="true" pageId="0" pageNumber="293">I. rectangularis</emphasis>
</taxonomicName>
, including one right-angled spine, but only one or two in
<taxonomicName id="EB6950479745636995F589D5F30A4B1A" lsidName="I. proximaria" pageId="0" pageNumber="293" rank="species" species="proximaria">
<emphasis id="EF4BFFB45D3E2AB330ABDF5E8A4F5746" italics="true" pageId="0" pageNumber="293">I. proximaria</emphasis>
</taxonomicName>
. In the female genitalia, the region surrounding the ostium is not totally sclerotised, with a separate lamella postvaginalis. The ductus bursae lacks a bag-like process in
<taxonomicName id="4C0D5282E65ACD525BA1E1DD32F47DC0" lsidName="I. rectangularis" pageId="0" pageNumber="293" rank="species" species="rectangularis">
<emphasis id="2598967BB4C7510FC8AA59CC9A14BA21" italics="true" pageId="0" pageNumber="293">I. rectangularis</emphasis>
</taxonomicName>
but it is present in
<taxonomicName id="CDEBF92C68D4DE5CCDD6AC1D3ED80B4D" lsidName="I. proximaria" pageId="0" pageNumber="293" rank="species" species="proximaria">
<emphasis id="E7D6E0784FAE9C0FD2E77E1AA10C6844" italics="true" pageId="0" pageNumber="293">I. proximaria</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="A0104C5DB9CF75F226D3212456C7BF47" pageId="0" pageNumber="293" type="description">
<paragraph id="08776E11E7758C84493F64040BB72EF8" pageId="0" pageNumber="293">Description.</paragraph>
<paragraph id="3785BA6775F31536F81AB5D236BF3F6C" pageId="0" pageNumber="293">
<emphasis id="CF40C3840FA67F0A01FD9E6E6A8FEB85" bold="true" pageId="0" pageNumber="293">
<emphasis id="C1F90C5CC4D7DCA30FCB0545BAB2F775" italics="true" pageId="0" pageNumber="293">Head</emphasis>
.
</emphasis>
Antennae ciliate in male, filiform in female. Frons, labial palpus, vertex identical to
<taxonomicName id="877D8CD6C3DB06AA93627564EE4722A8" lsidName="I. proximaria" pageId="0" pageNumber="293" rank="species" species="proximaria">
<emphasis id="2EF40950A52C946F621A243BAB8E56D0" italics="true" pageId="0" pageNumber="293">I. proximaria</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="F0944BD4A101F978647C8EC47C635A63" pageId="0" pageNumber="293">
<emphasis id="C41138BE4C59D440B438E25D827277B5" bold="true" pageId="0" pageNumber="293">
<emphasis id="2489E2072F0565BA2004AA1476BD5557" italics="true" pageId="0" pageNumber="293">Thorax</emphasis>
.
</emphasis>
Hind leg similar to that of
<taxonomicName id="119D9ED1B90A52B61D94CA11485A4E69" lsidName="I. proximaria" pageId="0" pageNumber="293" rank="species" species="proximaria">
<emphasis id="7E64173214ABFC4B46FE9BC92C0BE37A" italics="true" pageId="0" pageNumber="293">I. proximaria</emphasis>
</taxonomicName>
, but first segment of male hind tarsus blackish grey. Forewing length: male 10 mm, female 10-11 mm. Wing pattern and markings similar to those of
<taxonomicName id="3D8B583F2E5C65096DEB1320D6C7756C" lsidName="I. proximaria" pageId="0" pageNumber="293" rank="species" species="proximaria">
<emphasis id="A2AB87E78A3D6BA4CEA31D0552074D20" italics="true" pageId="0" pageNumber="293">I. proximaria</emphasis>
</taxonomicName>
, except that the apex of the male forewing protrudes further.
</paragraph>
<paragraph id="CCEEEBE3C2A8971F2F2C13BC39F2DB61" pageId="0" pageNumber="293">
<emphasis id="922E844E09FD8A2324A664946E40CD72" bold="true" pageId="0" pageNumber="293">
<emphasis id="CE671D77EAE778FB339D7ED2DAC8766F" italics="true" pageId="0" pageNumber="293">Abdomen</emphasis>
.
<emphasis id="BE616FCC62932DDE6B22514D7DABEA95" italics="true" pageId="0" pageNumber="293">Male genitalia</emphasis>
.
</emphasis>
Uncus spatulate, posterior margin slightly concave. Gnathos developed, tapering. Valva long and slender, with a sclerotised ridge at middle; apex rounded and setose; dorsal margin slightly concave at middle, with a faint subapical protuberance; ventral margin deeply concave near middle, with a small finger-like blunt process. Saccus blunt. Anellus a large sclerite, posterior half rounded, anterior half an inverted trapezoid. Aedeagus stout, terminal two-thirds sclerotised and broadened; cornutus with five spines, one larger than the rest and right-angled; vesica with a scobinate area.
</paragraph>
<paragraph id="AD88312E5E2F7EEDC9B35087A4D9933E" pageId="0" pageNumber="293">
<emphasis id="63CFF3E6E2D86492A3CCB2CDC7ADBAAB" bold="true" pageId="0" pageNumber="293">
<emphasis id="172091A073C57909D4E5BFAFCE5307B0" italics="true" pageId="0" pageNumber="293">Female genitalia</emphasis>
.
</emphasis>
Ovipositor lobes with a small ventral protrusion. Apophyses posteriores ~ 2
<normalizedToken id="4828982B885B5ECFFCA25CB0A1F9FE87" originalValue="×">x</normalizedToken>
length of apophyses anteriores. Lamella postvaginalis a laterally elongate sclerite, wrinkled. Lamella antevaginalis shapeless, but with left side of ostium strongly sclerotised, scobinate anteriorly. Ductus bursae very broad, wrinkled, the large posterior half decorated with long spines, anteriorly slightly sclerotised; an elongate posteriorly diverging appendix bursae present. Corpus bursae small, rounded, decorated with an oval spinose patch.
</paragraph>
</subSubSection>
<subSubSection id="53AC4F48DDD97D3FC2653114EF4AC013" pageId="0" pageNumber="293" type="distribution">
<paragraph id="98CC03AB8418FEAAE649559A4391DBE3" pageId="0" pageNumber="293">Distribution.</paragraph>
<paragraph id="BA54101F84AB60CACD813D08F25D4F17" pageId="0" pageNumber="293">China (Guangxi, Fujian).</paragraph>
</subSubSection>
<subSubSection id="7069E7AD92645C783448B8FB5D5D7231" pageId="0" pageNumber="293" type="etymology">
<paragraph id="E25636782AF77E3A30F2652206E41DC5" pageId="0" pageNumber="293">Etymology.</paragraph>
<paragraph id="62ED784FE65A4C252BFA3B9F038AE017" pageId="0" pageNumber="293">
This species is named from Latin word
<taxonomicName id="3BA693E39ECA4AD04D2187FAD4C29D1C" authorityName="Cheng &amp; Han" authorityYear="2023" class="Insecta" family="Geometridae" genus="Idaea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Idaea rectangularis" order="Lepidoptera" pageId="0" pageNumber="293" phylum="Arthropoda" rank="species" species="rectangularis">
<emphasis id="075DF2BAF7FD832DBA4F7371A915AF31" italics="true" pageId="0" pageNumber="293">Idaea rectangularis</emphasis>
</taxonomicName>
, which refers to the one right-angled cornutus.
</paragraph>
</subSubSection>
</treatment>
</document>