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<mods:title id="6CBBC1F147AF205B203412DE5D57FDC7">Three new species of Icaia Linnavuori (Hemiptera: Cicadellidae: Deltocephalinae) from Peru and distinction of the genus from Athysanella Baker</mods:title>
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<treatment id="480487D2081BFF91FF3F71201003D5DF" ID-DOI="http://doi.org/10.5281/zenodo.5671223" ID-GBIF-Taxon="119352185" ID-Zenodo-Dep="5671223" LSID="urn:lsid:plazi:treatment:480487D2081BFF91FF3F71201003D5DF" httpUri="http://treatment.plazi.org/id/480487D2081BFF91FF3F71201003D5DF" lastPageNumber="32" pageId="5" pageNumber="32">
<subSubSection id="88B7654F081BFF91FF3F712011B8D1E7" pageId="5" pageNumber="32" type="nomenclature">
<paragraph id="C01236C4081BFF91FF3F7120106ED15C" blockId="5.[151,1019,546,647]" box="[151,561,546,572]" pageId="5" pageNumber="32">
<heading id="9B5A81A8081BFF91FF3F7120106ED15C" bold="true" box="[151,561,546,572]" fontSize="11" level="1" pageId="5" pageNumber="32" reason="1">
<taxonomicName id="07AD4D47081BFF91FF3F7120106ED15C" ID-CoL="8JMFX" authority="Osborn" authorityName="Osborn" box="[151,561,546,572]" class="Insecta" family="Cicadellidae" genus="Athysanella" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="subGenus" subGenus="Amphipyga">
<emphasis id="F2D9EAD6081BFF91FF3F7120106ED15C" bold="true" box="[151,561,546,572]" pageId="5" pageNumber="32">
<emphasis id="F2D9EAD6081BFF91FF3F71201379D15C" bold="true" box="[151,294,546,572]" italics="true" pageId="5" pageNumber="32">Athysanella</emphasis>
(
<emphasis id="F2D9EAD6081BFF91FE9F7120139ED15C" bold="true" box="[311,449,546,572]" italics="true" pageId="5" pageNumber="32">Amphipyga</emphasis>
) Osborn
</emphasis>
</taxonomicName>
</heading>
</paragraph>
<paragraph id="C01236C4081BFF91FF6E714711B8D1E7" blockId="5.[151,1019,546,647]" pageId="5" pageNumber="32">
<taxonomicName id="07AD4D47081BFF91FF6E714713A8D13F" authority="Ball &amp; Beamer" authorityName="Ball &amp; Beamer" box="[198,503,581,607]" class="Insecta" family="Cicadellidae" genus="Athysanella" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="species" species="rubicunda">
<emphasis id="F2D9EAD6081BFF91FF6E71471360D13E" box="[198,319,581,606]" italics="true" pageId="5" pageNumber="32">rubicunda</emphasis>
Ball &amp; Beamer
</taxonomicName>
<emphasis id="F2D9EAD6081BFF91FE577147115BD13F" bold="true" box="[511,772,581,607]" pageId="5" pageNumber="32">placement reinstated</emphasis>
from
<taxonomicName id="07AD4D47081BFF91FCE3714713BBD1E7" authority="Ball &amp; Beamer" authorityName="Ball &amp; Beamer" class="Insecta" family="Cicadellidae" genus="Athysanella" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="species" species="triodana" subGenus="Diphipyga">
<emphasis id="F2D9EAD6081BFF91FCE371471102D13E" box="[843,861,581,606]" italics="true" pageId="5" pageNumber="32">A</emphasis>
. (
<emphasis id="F2D9EAD6081BFF91FCDD714711AFD13E" box="[885,1008,581,606]" italics="true" pageId="5" pageNumber="32">Diphipyga</emphasis>
)
<emphasis id="F2D9EAD6081BFF91FF6E716F1374D1E6" box="[198,299,621,646]" italics="true" pageId="5" pageNumber="32">triodana</emphasis>
Ball &amp; Beamer
</taxonomicName>
<emphasis id="F2D9EAD6081BFF91FE43716F10AFD1E7" bold="true" box="[491,752,621,647]" pageId="5" pageNumber="32">placement reinstated</emphasis>
from
<emphasis id="F2D9EAD6081BFF91FC9F716F1116D1E6" box="[823,841,621,646]" italics="true" pageId="5" pageNumber="32">A</emphasis>
. (
<emphasis id="F2D9EAD6081BFF91FCCA716F1182D1E6" box="[866,989,621,646]" italics="true" pageId="5" pageNumber="32">Diphipyga</emphasis>
)
</paragraph>
</subSubSection>
<subSubSection id="88B7654F081BFF91FF3F71BF1003D5DF" pageId="5" pageNumber="32" type="description">
<paragraph id="C01236C4081BFF91FF3F71BF1615D6C7" blockId="5.[151,1438,701,1727]" pageId="5" pageNumber="32">
Parsimony analysis of the characters in
<tableCitation id="8D2F037F081BFF91FDC671BF1099D1B7" box="[622,710,701,727]" captionStart="TABLE 1. A" captionStartId="2.[151,239,471,495]" captionTargetBox="[151,1434,597,1239]" captionTargetPageId="2" captionText="TABLE 1. A list of characters potentially distinguishing Icaia from Athysanella, scored for multiple representatives of each genus. Characters state observations for which different states were difficult to distinguish have a “? ” beside them. Numbers (or?) before the character states indicate the codes used for parsimony analysis." httpUri="http://table.plazi.org/id/94D2664C081CFF96FF3F72D5160DD154" pageId="5" pageNumber="32" tableUuid="94D2664C081CFF96FF3F72D5160DD154">Table 1</tableCitation>
yielded 21 most parsimonious (MP) trees, and the strict consensus tree (
<figureCitation id="58962A41081BFF91FE8771E713D5D19F" box="[303,394,741,767]" captionStart="FIGURE 46" captionStartId="11.[151,255,1940,1964]" captionTargetBox="[489,1114,1378,1904]" captionTargetId="figure@11.[470,1116,1369,1916]" captionTargetPageId="11" captionText="FIGURE 46. The strict consensus of 21 most parsimonious trees. Clade labeled “ A ” is referred to in the text. Numbers below branches indicate Bremer support values / bootstrap values over 50 %." httpUri="https://zenodo.org/record/175220/files/figure.png" pageId="5" pageNumber="32">Fig. 46</figureCitation>
) generally reflects the observations outlined above.
<taxonomicName id="07AD4D47081BFF91FBA571E716C8D19E" box="[1037,1175,741,766]" class="Insecta" family="Cicadellidae" genus="Athysanella" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="genus">
<emphasis id="F2D9EAD6081BFF91FBA571E716C8D19E" box="[1037,1175,741,766]" italics="true" pageId="5" pageNumber="32">Athysanella</emphasis>
</taxonomicName>
and
<taxonomicName id="07AD4D47081BFF91FB7171E71749D19E" box="[1241,1302,741,766]" class="Insecta" family="Cicadellidae" genus="Icaia" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="genus">
<emphasis id="F2D9EAD6081BFF91FB7171E71749D19E" box="[1241,1302,741,766]" italics="true" pageId="5" pageNumber="32">Icaia</emphasis>
</taxonomicName>
were each recovered as monophyletic groups. Characters that supported the monophyly of
<taxonomicName id="07AD4D47081BFF91FBC6700F16A7D046" box="[1134,1272,781,806]" class="Insecta" family="Cicadellidae" genus="Athysanella" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="genus">
<emphasis id="F2D9EAD6081BFF91FBC6700F16A7D046" box="[1134,1272,781,806]" italics="true" pageId="5" pageNumber="32">Athysanella</emphasis>
</taxonomicName>
are the wide basal separation of the anterior arms of the connective (Figs. 38,39)— a character that was difficult to score for
<taxonomicName id="07AD4D47081BFF91FF69705F13B5D016" box="[193,490,861,887]" class="Insecta" family="Cicadellidae" genus="Athysanella" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="species" species="mexicana" subGenus="Diphipyga">
<emphasis id="F2D9EAD6081BFF91FF69705F128CD016" box="[193,211,861,886]" italics="true" pageId="5" pageNumber="32">A</emphasis>
. (
<emphasis id="F2D9EAD6081BFF91FF44705F1337D016" box="[236,360,861,886]" italics="true" pageId="5" pageNumber="32">Diphipyga</emphasis>
)
<emphasis id="F2D9EAD6081BFF91FED1705F13B5D016" box="[377,490,861,886]" italics="true" pageId="5" pageNumber="32">mexicana</emphasis>
</taxonomicName>
and
<taxonomicName id="07AD4D47081BFF91FD8B705F10EED016" box="[547,689,861,886]" class="Insecta" family="Cicadellidae" genus="Icaia" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="species" species="straminea">
<emphasis id="F2D9EAD6081BFF91FD8B705F10EED016" box="[547,689,861,886]" italics="true" pageId="5" pageNumber="32">I. straminea</emphasis>
</taxonomicName>
, and the presence of an apodeme above the aedeagus, although this character is not consistent in either genus. This phylogeny suggests that
<emphasis id="F2D9EAD6081BFF91FB897087166CD0FE" box="[1057,1075,901,926]" italics="true" pageId="5" pageNumber="32">A</emphasis>
. (
<emphasis id="F2D9EAD6081BFF91FBE470871698D0FE" box="[1100,1223,901,926]" italics="true" pageId="5" pageNumber="32">Diphipyga</emphasis>
)
<emphasis id="F2D9EAD6081BFF91FB72708716BAD0FE" box="[1242,1253,901,926]" italics="true" pageId="5" pageNumber="32">s</emphasis>
.
<emphasis id="F2D9EAD6081BFF91FB45708716A7D0FE" box="[1261,1272,901,926]" italics="true" pageId="5" pageNumber="32">s</emphasis>
. is basal with respect to the rest of
<taxonomicName id="07AD4D47081BFF91FE2770AF1045D0A6" box="[399,538,941,966]" class="Insecta" family="Cicadellidae" genus="Athysanella" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="genus">
<emphasis id="F2D9EAD6081BFF91FE2770AF1045D0A6" box="[399,538,941,966]" italics="true" pageId="5" pageNumber="32">Athysanella</emphasis>
</taxonomicName>
, apparently in agreement with our observations of the similarity in the male genitalia of
<emphasis id="F2D9EAD6081BFF91FE8B70D7136AD08E" box="[291,309,981,1006]" italics="true" pageId="5" pageNumber="32">A</emphasis>
. (
<emphasis id="F2D9EAD6081BFF91FEE570D71396D08E" box="[333,457,981,1006]" italics="true" pageId="5" pageNumber="32">Diphipyga</emphasis>
)
<emphasis id="F2D9EAD6081BFF91FE7270D713BAD08E" box="[474,485,981,1006]" italics="true" pageId="5" pageNumber="32">s</emphasis>
.
<emphasis id="F2D9EAD6081BFF91FE4470D713A8D08E" box="[492,503,981,1006]" italics="true" pageId="5" pageNumber="32">s</emphasis>
. and
<taxonomicName id="07AD4D47081BFF91FD9070D7102BD08E" box="[568,628,981,1006]" class="Insecta" family="Cicadellidae" genus="Icaia" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="genus">
<emphasis id="F2D9EAD6081BFF91FD9070D7102BD08E" box="[568,628,981,1006]" italics="true" pageId="5" pageNumber="32">Icaia</emphasis>
</taxonomicName>
.
<emphasis id="F2D9EAD6081BFF91FD2B70D710CAD08E" box="[643,661,981,1006]" italics="true" pageId="5" pageNumber="32">A</emphasis>
. (
<emphasis id="F2D9EAD6081BFF91FD0570D71176D08E" box="[685,809,981,1006]" italics="true" pageId="5" pageNumber="32">Diphipyga</emphasis>
)
<emphasis id="F2D9EAD6081BFF91FC9270D7113FD08E" box="[826,864,981,1006]" italics="true" pageId="5" pageNumber="32">s.s.</emphasis>
was never resolved as a monophyletic group. The only character supporting the monophyly of
<taxonomicName id="07AD4D47081BFF91FD4270FF1179D776" box="[746,806,1021,1046]" class="Insecta" family="Cicadellidae" genus="Icaia" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="genus">
<emphasis id="F2D9EAD6081BFF91FD4270FF1179D776" box="[746,806,1021,1046]" italics="true" pageId="5" pageNumber="32">Icaia</emphasis>
</taxonomicName>
is the presence of a pair of apical or subapical processes of the aedeagus— a character that is not universally shared among species of
<taxonomicName id="07AD4D47081BFF91FBDE772716EDD75E" box="[1142,1202,1061,1086]" class="Insecta" family="Cicadellidae" genus="Icaia" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="genus">
<emphasis id="F2D9EAD6081BFF91FBDE772716EDD75E" box="[1142,1202,1061,1086]" italics="true" pageId="5" pageNumber="32">Icaia</emphasis>
</taxonomicName>
, but appears in 6 or 7 of the 9 described species. This character does not occur in
<taxonomicName id="07AD4D47081BFF91FCC1774F11ABD706" box="[873,1012,1101,1126]" class="Insecta" family="Cicadellidae" genus="Athysanella" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="genus">
<emphasis id="F2D9EAD6081BFF91FCC1774F11ABD706" box="[873,1012,1101,1126]" italics="true" pageId="5" pageNumber="32">Athysanella</emphasis>
</taxonomicName>
and rarely occurs in other genera of Chiasmini (one exception is
<taxonomicName id="07AD4D47081BFF91FE4C7777109DD7EF" authority="Lethierry" authorityName="Lethierry" box="[484,706,1141,1167]" class="Insecta" family="Cicadellidae" genus="Aconura" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="genus">
<emphasis id="F2D9EAD6081BFF91FE4C77771016D7EE" box="[484,585,1141,1166]" italics="true" pageId="5" pageNumber="32">Aconura</emphasis>
Lethierry
</taxonomicName>
).
<taxonomicName id="07AD4D47081BFF91FD7C7777114FD7EE" box="[724,784,1141,1166]" class="Insecta" family="Cicadellidae" genus="Icaia" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="genus">
<emphasis id="F2D9EAD6081BFF91FD7C7777114FD7EE" box="[724,784,1141,1166]" italics="true" pageId="5" pageNumber="32">Icaia</emphasis>
</taxonomicName>
spp. lack the wide separation of the anterior arms of the connective which supported monophyly of
<taxonomicName id="07AD4D47081BFF91FD33779F1179D7D6" box="[667,806,1181,1206]" class="Insecta" family="Cicadellidae" genus="Athysanella" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="genus">
<emphasis id="F2D9EAD6081BFF91FD33779F1179D7D6" box="[667,806,1181,1206]" italics="true" pageId="5" pageNumber="32">Athysanella</emphasis>
</taxonomicName>
(including
<emphasis id="F2D9EAD6081BFF91FC07779F1675D7D6" box="[943,1066,1181,1206]" italics="true" pageId="5" pageNumber="32">Diphipyga</emphasis>
) and lack the characters defining the
<taxonomicName id="07AD4D47081BFF91FF5A77C71322D7BE" box="[242,381,1221,1246]" class="Insecta" family="Cicadellidae" genus="Athysanella" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="genus">
<emphasis id="F2D9EAD6081BFF91FF5A77C71322D7BE" box="[242,381,1221,1246]" italics="true" pageId="5" pageNumber="32">Athysanella</emphasis>
</taxonomicName>
clade A. Also, preliminary molecular data (Zahniser and Dietrich, unpublished) suggest that each genus is monophyletic. Thus, retention of
<taxonomicName id="07AD4D47081BFF91FD5677EF1165D666" box="[766,826,1261,1286]" class="Insecta" family="Cicadellidae" genus="Icaia" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="genus">
<emphasis id="F2D9EAD6081BFF91FD5677EF1165D666" box="[766,826,1261,1286]" italics="true" pageId="5" pageNumber="32">Icaia</emphasis>
</taxonomicName>
as a genus separate from
<taxonomicName id="07AD4D47081BFF91FBD877EF16A5D666" box="[1136,1274,1261,1286]" class="Insecta" family="Cicadellidae" genus="Athysanella" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="genus">
<emphasis id="F2D9EAD6081BFF91FBD877EF16A5D666" box="[1136,1274,1261,1286]" italics="true" pageId="5" pageNumber="32">Athysanella</emphasis>
</taxonomicName>
is justified at this time. We did not identify any unambiguous characters that define
<taxonomicName id="07AD4D47081BFF91FC4876171635D64E" box="[992,1130,1301,1326]" class="Insecta" family="Cicadellidae" genus="Athysanella" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="genus">
<emphasis id="F2D9EAD6081BFF91FC4876171635D64E" box="[992,1130,1301,1326]" italics="true" pageId="5" pageNumber="32">Athysanella</emphasis>
</taxonomicName>
(including
<emphasis id="F2D9EAD6081BFF91FB5D7617172ED64E" box="[1269,1393,1301,1326]" italics="true" pageId="5" pageNumber="32">Diphipyga</emphasis>
) or that would unite
<taxonomicName id="07AD4D47081BFF91FEF4763F13C6D636" box="[348,409,1341,1366]" class="Insecta" family="Cicadellidae" genus="Icaia" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="genus">
<emphasis id="F2D9EAD6081BFF91FEF4763F13C6D636" box="[348,409,1341,1366]" italics="true" pageId="5" pageNumber="32">Icaia</emphasis>
</taxonomicName>
and
<taxonomicName id="07AD4D47081BFF91FE7A763F1003D636" box="[466,604,1341,1366]" class="Insecta" family="Cicadellidae" genus="Athysanella" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="genus">
<emphasis id="F2D9EAD6081BFF91FE7A763F1003D636" box="[466,604,1341,1366]" italics="true" pageId="5" pageNumber="32">Athysanella</emphasis>
</taxonomicName>
as a monophyletic group distinguishable from other chiasmine genera. Further collecting and morphological characterization of more species of
<taxonomicName id="07AD4D47081BFF91FC5176671669D61E" box="[1017,1078,1381,1406]" class="Insecta" family="Cicadellidae" genus="Icaia" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="genus">
<emphasis id="F2D9EAD6081BFF91FC5176671669D61E" box="[1017,1078,1381,1406]" italics="true" pageId="5" pageNumber="32">Icaia</emphasis>
</taxonomicName>
will undoubtedly help to clarify the relationship between these genera and other Old World chiasmine genera.
</paragraph>
<paragraph id="C01236C4081BFF91FF6E76B71003D5DF" blockId="5.[151,1438,701,1727]" pageId="5" pageNumber="32">
The apparent lack of unique and shared characters in
<taxonomicName id="07AD4D47081BFF91FC9376B71128D6AE" box="[827,887,1461,1486]" class="Insecta" family="Cicadellidae" genus="Icaia" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="genus">
<emphasis id="F2D9EAD6081BFF91FC9376B71128D6AE" box="[827,887,1461,1486]" italics="true" pageId="5" pageNumber="32">Icaia</emphasis>
</taxonomicName>
and overlap in character states with some species of
<taxonomicName id="07AD4D47081BFF91FF4476DF1329D696" box="[236,374,1501,1526]" class="Insecta" family="Cicadellidae" genus="Athysanella" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="genus">
<emphasis id="F2D9EAD6081BFF91FF4476DF1329D696" box="[236,374,1501,1526]" italics="true" pageId="5" pageNumber="32">Athysanella</emphasis>
</taxonomicName>
makes placing newly discovered species into
<taxonomicName id="07AD4D47081BFF91FC3F76DF118BD696" box="[919,980,1501,1526]" class="Insecta" family="Cicadellidae" genus="Icaia" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="genus">
<emphasis id="F2D9EAD6081BFF91FC3F76DF118BD696" box="[919,980,1501,1526]" italics="true" pageId="5" pageNumber="32">Icaia</emphasis>
</taxonomicName>
somewhat difficult, but a combination of some external characters cited by
<bibRefCitation id="A43C4B35081BFF91FDEF7507117DD57F" author="Linnavuori" box="[583,802,1541,1567]" pageId="5" pageNumber="39" refString="Linnavuori, R. (1973) Additional notes on the Cicadellidae fauna of Peru. Revista Peruana de Entomologia, 16, 14 - 16." type="journal article" year="1973">Linnavuori (1973)</bibRefCitation>
, especially of the head and face, and characters of the male genitalia identified here should separate
<taxonomicName id="07AD4D47081BFF91FD18752F10B3D526" box="[688,748,1581,1606]" class="Insecta" family="Cicadellidae" genus="Icaia" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="genus">
<emphasis id="F2D9EAD6081BFF91FD18752F10B3D526" box="[688,748,1581,1606]" italics="true" pageId="5" pageNumber="32">Icaia</emphasis>
</taxonomicName>
spp. from most
<taxonomicName id="07AD4D47081BFF91FC03752F166AD526" box="[939,1077,1581,1606]" class="Insecta" family="Cicadellidae" genus="Athysanella" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="genus">
<emphasis id="F2D9EAD6081BFF91FC03752F166AD526" box="[939,1077,1581,1606]" italics="true" pageId="5" pageNumber="32">Athysanella</emphasis>
</taxonomicName>
. Placement of the new species described here in
<taxonomicName id="07AD4D47081BFF91FECF755713FCD50E" box="[359,419,1621,1646]" class="Insecta" family="Cicadellidae" genus="Icaia" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="genus">
<emphasis id="F2D9EAD6081BFF91FECF755713FCD50E" box="[359,419,1621,1646]" italics="true" pageId="5" pageNumber="32">Icaia</emphasis>
</taxonomicName>
is based on the absence of characters defining other chiasmine genera, their similarity to other
<taxonomicName id="07AD4D47081BFF91FF55757F1366D5F6" box="[253,313,1661,1686]" class="Insecta" family="Cicadellidae" genus="Icaia" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="32" phylum="Arthropoda" rank="genus">
<emphasis id="F2D9EAD6081BFF91FF55757F1366D5F6" box="[253,313,1661,1686]" italics="true" pageId="5" pageNumber="32">Icaia</emphasis>
</taxonomicName>
species externally, the short and falcate style apophysis, the mostly membranous segment X, and their South American distribution.
</paragraph>
</subSubSection>
</treatment>
</document>