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<subSubSection id="C32F655EFFCFDC26FF3EE367FC43FCCC" pageId="2" pageNumber="701" type="nomenclature">
<paragraph id="8B8A36D5FFCFDC26FF3EE367FDD2FDF1" blockId="2.[151,624,551,577]" box="[151,624,551,577]" pageId="2" pageNumber="701">
<heading id="D0C281B9FFCFDC26FF3EE367FDD2FDF1" bold="true" box="[151,624,551,577]" fontSize="11" level="1" pageId="2" pageNumber="701" reason="1">
<emphasis id="B941EAC7FFCFDC26FF3EE367FDD2FDF1" bold="true" box="[151,624,551,577]" pageId="2" pageNumber="701">
<taxonomicName id="4C354D56FFCFDC26FF3EE367FE90FDF1" ID-CoL="LP" box="[151,306,551,577]" class="Insecta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lepidoptera" pageId="2" pageNumber="701" phylum="Arthropoda" rank="order">Lepidoptera</taxonomicName>
monophyly and affinities
</emphasis>
</heading>
</paragraph>
<paragraph id="8B8A36D5FFCFDC26FF3EE332FC43FCCC" blockId="2.[151,1437,626,2015]" pageId="2" pageNumber="701">
The monophyly of the 'order'
<taxonomicName id="4C354D56FFCFDC26FE50E332FD25FD3C" box="[505,647,626,652]" class="Insecta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lepidoptera" pageId="2" pageNumber="701" phylum="Arthropoda" rank="order">Lepidoptera</taxonomicName>
is firmly established by an impressive suite of synapomorphies of its constituent basal lineages. The position of the group within the insect hierarchy is similarly well established: It has a strongly supported sistergroup relationship to the
<taxonomicName id="4C354D56FFCFDC26FC0BE382FB88FD6C" box="[930,1066,706,732]" class="Insecta" kingdom="Animalia" order="Trichoptera" pageId="2" pageNumber="701" phylum="Arthropoda" rank="order">Trichoptera</taxonomicName>
(caddisflies), constituting with the latter the high-rank taxon Amphiesmenoptera. The Amphiesmenoptera, in turn, together with the (similarly monophyletic?) Antliophora (Mecoptera
<emphasis id="B941EAC7FFCFDC26FD7FE252FCADFC9B" box="[726,783,786,811]" italics="true" pageId="2" pageNumber="701">s.lat.</emphasis>
[including the Nannomecoptera, Neomecoptera and Siphonaptera] + Diptera), constitute the Mecopterida or 'panorpoid' clade within the Endopterygota; for supraordinal relationships see, e.g.,
<bibRefCitation id="EFA44B24FFCFDC26FE52E222FD72FCCC" author="Kristensen" box="[507,720,866,892]" pageId="2" pageNumber="738" refString="Kristensen, N. P. (1999) Phylogeny of endopterygote insects, the most successful lineage of living organisms. European Journal of Entomology 96, 237 - 253" type="journal article" year="1999">Kristensen (1999)</bibRefCitation>
,
<bibRefCitation id="EFA44B24FFCFDC26FD75E222FC7FFCCC" author="Beutel" box="[732,989,866,892]" pageId="2" pageNumber="734" refString="Beutel, R. G. &amp; Pohl, H. (2006) Endopterygote systematics - where do we stand and what is the goal (Hexapoda, Arthropoda)? Systematic Entomology, 31, 202 - 219." type="journal article" year="2006">Beutel &amp; Pohl (2006)</bibRefCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C32F655EFFCFDC20FF6FE2CAFC0EFAD2" lastPageId="4" lastPageNumber="703" pageId="2" pageNumber="701" type="description">
<paragraph id="8B8A36D5FFCFDC26FF6FE2CAFC3CFBF4" blockId="2.[151,1437,626,2015]" pageId="2" pageNumber="701">
A detailed reconstruction of the lepidopteran ground plan was presented by
<bibRefCitation id="EFA44B24FFCFDC26FB23E2CAFAC1FC14" author="Kristensen" box="[1162,1379,906,932]" pageId="2" pageNumber="737" refString="Kristensen, N. P. (1984) Studies on the morphology and systematics of primitive Lepidoptera (Insecta). Steenstrupia, 10, 141 - 191." type="journal article" year="1984">Kristensen (1984)</bibRefCitation>
and updated in
<bibRefCitation id="EFA44B24FFCFDC26FEB0E2F2FDFBFC7C" author="Kristensen" box="[281,601,946,972]" pageId="2" pageNumber="738" refString="Kristensen, N. P. &amp; Skalski, A. W. (1998) Phylogeny and palaeontology. Pp. 7 - 25. In: Kristensen, N. P. (ed.): Lepidoptera: Moths and butterflies 1. Evolution, Systematics and Biogeography. Handbuch der Zoologie / Handbook of Zoology IV / 35, x + 491 pp. Walter de Gruyter, Berlin &amp; New York." type="book chapter" year="1998">Kristensen &amp; Skalski 1998</bibRefCitation>
). Several apomorphies arguably unique to the
<taxonomicName id="4C354D56FFCFDC26FBD3E2F2FAA5FC7C" box="[1146,1287,946,972]" class="Insecta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lepidoptera" pageId="2" pageNumber="701" phylum="Arthropoda" rank="order">Lepidoptera</taxonomicName>
were identified, and another set of groundplan traits was identified as probable synapomorphies with the
<taxonomicName id="4C354D56FFCFDC26FB72E29AFAC4FC44" box="[1243,1382,986,1012]" class="Insecta" kingdom="Animalia" order="Trichoptera" pageId="2" pageNumber="701" phylum="Arthropoda" rank="order">Trichoptera</taxonomicName>
, i.e., autapomorphies of the Amphiesmenoptera. The great majority of the characters in question occurs in the adult insect. Subsequent work has suggested little in the way of change.
</paragraph>
<paragraph id="8B8A36D5FFCFDC26FF6FE512FC78F83C" blockId="2.[151,1437,626,2015]" pageId="2" pageNumber="701">
The following morphological character states are currently considered likely lepidopteran groundplan autapomorphies:
<emphasis id="B941EAC7FFCFDC26FECDE53AFE05FB24" bold="true" box="[356,423,1146,1172]" italics="true" pageId="2" pageNumber="701">Adult</emphasis>
(numbers in brackets refer to figured details in
<figureCitation id="130E2A50FFCFDC26FC41E53AFB8AFB24" box="[1000,1064,1146,1172]" captionStart="FIGURE 1" captionStartId="3.[151,255,1895,1919]" captionTargetBox="[178,1405,262,1879]" captionTargetId="figure@3.[177,1418,251,1893]" captionTargetPageId="3" captionText="FIGURE 1. Diagram of hypothesized adult ground plan of the Lepidoptera. Roman numerals refer to putative synapomorphies of Trichoptera and Lepidoptera, hence autapomorphies of superorder Amphiesmenoptera. Arabic numerals refer to putative lepidopteran groundplan autapomorphies. The characters in question are listed in the text. After Kristensen &amp; Skalski (1998), slightly modified." httpUri="https://zenodo.org/record/274045/files/figure.png" pageId="2" pageNumber="701">Fig.1</figureCitation>
): Median ocellus lost (1). Corporotentorium with posteromedian process, accommodating insertions of ventral neck muscles (2). Intercalary sclerite present laterally in membrane between antennal scapus and pedicellus (3). Maxillary palp with points of flexion between segments 1/2 and 3/4; segment 4 longest; intrinsic palp musculature not comprising antagonistic pairs (4). Craniostipital muscle present, slender and running close to craniocardinal muscle (5). Postlabium an arched sclerite with long piliform scales (6). Terminal segment of labial palp with group of sensilla in depression ('vom Rath's organ') (7). Labral nerve and frontal ganglion connective separating immediately at their origin on the tritocerebrum (9). Nervus recurrens running inside aorta until reaching retrocerebral complex (10). Laterocervical sclerite with proprioceptive 'hair plate' close to anterior apex (11). Prothoracic endoskeleton with prominent free arm arising from bridge between sternum and lower posterior corner of pleuron (12). Mesothorax with 'tergopleural apodeme' issued from upper part of pleural suture and accommodating insertion of a tergopleural muscle (13). Metathorax with 'prescutal arm' (14). Fore tibia with movable 'epiphysis' on inner surface, and with at most a single spur (15). Wings with dense covering of broad scales (16). Metathoracic spiracle with single, anteriorly situated, external lip (17). Tergum I extensively desclerotized, with concomitant loss of external layer of 'short' dorsolongitudinal I/II muscles (18). Tergum I with lateral lobes extending posteroventral to articulate with anterior corners of sternum II (19). Male 'valve' (gonopod) primarily undivided (20). Phallic protractor muscle originating inside gonopod (valve) (21). Cerci lacking in both sexes (22). Abdominal nerve cord with at most five ganglionic masses, and unpaired connectives (23). Apyrene sperm present (24).
<emphasis id="B941EAC7FFCFDC26FD6EE60AFCADF8D4" bold="true" box="[711,783,1866,1892]" italics="true" pageId="2" pageNumber="701">Larva</emphasis>
: Pleurostome elongated, craniocardinal articulation far behind mandibular base. Maxillary palp with no more than 3 segments.
</paragraph>
<paragraph id="8B8A36D5FFCFDC27FF6FE6DCFE13FF6A" blockId="2.[151,1437,626,2015]" lastBlockId="3.[151,1436,152,218]" lastPageId="3" lastPageNumber="702" pageId="2" pageNumber="701">Absence of a dorsolongitudinal muscle on the adult's salivarium (8) has been considered an additional lepidopteran autapomorphy, but unpublished observations on nannomecopterans (R. Beutel, pers. comm.) and trichopterans render it uncertain that a presence of a formation of this kind is actually the groundplan condition in the Mecopterida.</paragraph>
<caption id="DF4A665DFFCEDC27FF3EE627FDC7F857" httpUri="https://zenodo.org/record/274045/files/figure.png" pageId="3" pageNumber="702" targetBox="[178,1405,262,1879]" targetPageId="3">
<paragraph id="8B8A36D5FFCEDC27FF3EE627FDC7F857" blockId="3.[151,1436,1895,2023]" pageId="3" pageNumber="702">
<emphasis id="B941EAC7FFCEDC27FF3EE627FEB8F8CF" bold="true" box="[151,282,1895,1919]" pageId="3" pageNumber="702">FIGURE 1.</emphasis>
Diagram of hypothesized adult ground plan of the
<taxonomicName id="4C354D56FFCEDC27FCEFE628FC68F8CF" box="[838,970,1896,1919]" class="Insecta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lepidoptera" pageId="3" pageNumber="702" phylum="Arthropoda" rank="order">Lepidoptera</taxonomicName>
. Roman numerals refer to putative synapomorphies of
<taxonomicName id="4C354D56FFCEDC27FE8DE6CAFE02F811" box="[292,416,1930,1953]" class="Insecta" kingdom="Animalia" order="Trichoptera" pageId="3" pageNumber="702" phylum="Arthropoda" rank="order">Trichoptera</taxonomicName>
and
<taxonomicName id="4C354D56FFCEDC27FE72E6CAFDFDF811" box="[475,607,1930,1953]" class="Insecta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lepidoptera" pageId="3" pageNumber="702" phylum="Arthropoda" rank="order">Lepidoptera</taxonomicName>
, hence autapomorphies of superorder Amphiesmenoptera. Arabic numerals refer to putative lepidopteran groundplan autapomorphies. The characters in question are listed in the text. After Kristensen &amp; Skalski (1998), slightly modified.
</paragraph>
</caption>
<paragraph id="8B8A36D5FFC9DC20FF6FE1D8FCE9FE9A" blockId="4.[151,1437,152,1378]" pageId="4" pageNumber="703">
In the light of this robust morphological support for the monophyly of the
<taxonomicName id="4C354D56FFC9DC20FBEFE1D8FB75FF02" box="[1094,1239,152,178]" class="Insecta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lepidoptera" pageId="4" pageNumber="703" phylum="Arthropoda" rank="order">Lepidoptera</taxonomicName>
, inclusive of the Micropterigoidea, the assignment (
<bibRefCitation id="EFA44B24FFC9DC20FD9DE180FD4EFF6A" author="Chapman" box="[564,748,192,218]" pageId="4" pageNumber="735" refString="Chapman, T. A. (1917) Micropteryx entitled to ordinal rank: Order Zeugloptera. Transactions of the Entomological Society of London, 1916, 310 - 314." type="journal article" year="1917">Chapman 1917</bibRefCitation>
,
<bibRefCitation id="EFA44B24FFC9DC20FD53E180FC33FF6A" author="Hinton" box="[762,913,192,218]" pageId="4" pageNumber="737" refString="Hinton, H. E. (1946) On the homology and nomenclature of the setae of lepidopterous larvae, with some notes on the phylogeny of the Lepidoptera. Transactions of the Royal Entomological Society of London, 97, 1 - 37" type="journal article" year="1946">Hinton 1946</bibRefCitation>
,
<bibRefCitation id="EFA44B24FFC9DC20FC36E180FC79FF6A" author="Hinton" box="[927,987,192,218]" pageId="4" pageNumber="737" refString="Hinton, H. E. (1958) The phylogeny of the panorpoid orders. Annual Review of Entomology, 3, 181 - 206." type="journal article" year="1958">1958</bibRefCitation>
) of the latter to a separate order Zeugloptera is now of historical interest only.
<taxonomicName id="4C354D56FFC9DC20FD32E1A8FC8AFEB2" box="[667,808,232,258]" class="Insecta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Lepidoptera" pageId="4" pageNumber="703" phylum="Arthropoda" rank="order">Lepidoptera</taxonomicName>
monophyly has also been supported consistently in available molecular analyses with relevant taxon sampling.
</paragraph>
<paragraph id="8B8A36D5FFC9DC20FF6FE078FAFCFB2A" blockId="4.[151,1437,152,1378]" pageId="4" pageNumber="703">
The following lepidopteran groundplan traits are apparently autapomorphic of the superorder Amphiesmenoptera.
<emphasis id="B941EAC7FFC9DC20FE88E01FFEC6FEC9" bold="true" box="[289,356,351,377]" italics="true" pageId="4" pageNumber="703">Adult</emphasis>
(Roman numerals are details in
<figureCitation id="130E2A50FFC9DC20FD74E020FCBCFECA" box="[733,798,352,378]" captionStart="FIGURE 1" captionStartId="3.[151,255,1895,1919]" captionTargetBox="[178,1405,262,1879]" captionTargetId="figure@3.[177,1418,251,1893]" captionTargetPageId="3" captionText="FIGURE 1. Diagram of hypothesized adult ground plan of the Lepidoptera. Roman numerals refer to putative synapomorphies of Trichoptera and Lepidoptera, hence autapomorphies of superorder Amphiesmenoptera. Arabic numerals refer to putative lepidopteran groundplan autapomorphies. The characters in question are listed in the text. After Kristensen &amp; Skalski (1998), slightly modified." httpUri="https://zenodo.org/record/274045/files/figure.png" pageId="4" pageNumber="703">Fig.1</figureCitation>
): Prelabium fused with hypopharynx (I). Lower posterior corner of laterocervicale produced towards the prosternum (II). Pronotum with paired setose 'warts' (III). Prothoracic episterna with unique suture pattern (IV). Secondary furcal arms of pterothorax fused with posterior margins of corresponding epimera (V). Metathorax with setose, presumably proprioceptive, sclerite in wing base membrane behind/below subalare (VI). Pretarsus above claw with 'pseudempodium' (strong seta on socket) (VII). Wings with dense vestiture of setae (forerunners of the lepidopteran scales)(VIII). Fore wing anal veins looping up into double-Y formation (IX). One ventral (tentorial) neck muscle originating on fore coxa (X). Conical furcopleural muscle in mesothorax with broad end on pleural ridge (XI). Paired glands opening on sternum V (XII). Male segment IX with tergum and sternum fused into closed ring (XIII). Anterior margin of female segments VIII and IX with long rod-like apodemes accommodating insertions of protractor and retractor muscles of extensible oviscapt (XIV).
<emphasis id="B941EAC7FFC9DC20FCFDE3B0FC29FCB9" box="[852,907,752,777]" italics="true" pageId="4" pageNumber="703">Note</emphasis>
: recent work shows that the interpretation of the female postabdomen in the lowest Amphiesmenoptera is more problematical than hitherto believed, and the apodemes in question may not all be homologous (
<bibRefCitation id="EFA44B24FFC9DC20FCB6E200FC44FCEA" author="Kristensen" box="[799,998,832,858]" pageId="4" pageNumber="738" refString="Kristensen, N. P. (2003) Skeleton and muscles: adults. Pp. 39 - 131. In N. P. Kristensen (ed.) Lepidoptera: Moths and Butterflies 2. Handbuch der Zoologie / Handbook of Zoology IV / 36, xii + 564 pp. Walter de Gruyter, Berlin &amp; New York." type="book chapter" year="2003">Kristensen 2003</bibRefCitation>
); a particularly intriguing question is whether a three-apophysis-pair configuration (with both dorsal and ventral apophyses originating on VIII) could prove ancestral in Amphiesmenoptera, since three pairs are present in
<taxonomicName id="4C354D56FFC9DC20FB9DE2D0FB69FC19" box="[1076,1227,912,937]" class="Insecta" family="Agathiphagidae" genus="Agathiphaga" kingdom="Animalia" order="Lepidoptera" pageId="4" pageNumber="703" phylum="Arthropoda" rank="genus">
<emphasis id="B941EAC7FFC9DC20FB9DE2D0FB69FC19" box="[1076,1227,912,937]" italics="true" pageId="4" pageNumber="703">Agathiphaga</emphasis>
</taxonomicName>
as well as in the enigmatic recently described caddisfly
<taxonomicName id="4C354D56FFC9DC20FDC4E2F8FC10FC62" authority="Mey 1996" authorityName="Mey" authorityYear="1996" box="[621,946,952,978]" class="Insecta" family="Rhyacophilidae" genus="Fansipangana" kingdom="Animalia" order="Trichoptera" pageId="4" pageNumber="703" phylum="Arthropoda" rank="genus">
<emphasis id="B941EAC7FFC9DC20FDC4E2F8FCB4FC61" box="[621,790,952,977]" italics="true" pageId="4" pageNumber="703">Fansipangana</emphasis>
(
<bibRefCitation id="EFA44B24FFC9DC20FC81E2F8FC0BFC62" author="Mey" box="[808,937,952,978]" pageId="4" pageNumber="738" refString="Mey, W. (1996) Die Kocherfliegenfauna des Fan Si Pan-Massivs in Nord-Vietnam. 1. Beschreibung neuer und endemi- 4. Some confusion about the publication year of this volume is due to the fact that 1999 is given on the front page while the colophon correctly states the year to be 1998." type="journal article" year="1996">Mey 1996</bibRefCitation>
)
</taxonomicName>
. Ventral diaphragm muscles inserting on the nerve cord (XV). Female sex heterogametic (XVI). Chromosome number unusually high (basic number 3031), chromosomes holocentric and oogenesis achiasmatic (XVII). Spermatozoa with outer accessory filaments thickened, filled with proteinaceous and glycogen-like material (XVIII).
<emphasis id="B941EAC7FFC9DC20FBFDE56FFB3EFBF9" bold="true" box="[1108,1180,1071,1097]" italics="true" pageId="4" pageNumber="703">Larva</emphasis>
: stemmata each with one crystalline cone cell transformed into primary pigment cell, hence in transverse section the cone is seen to be only tripartite. Prelabium and hypopharynx fused into composite lobe with silk gland orifice on apex.
</paragraph>
<paragraph id="8B8A36D5FFC9DC20FF6FE5E8FC0EFAD2" blockId="4.[151,1437,152,1378]" pageId="4" pageNumber="703">
Evidence suggests that larvae of members of the amphiesmenopteran stem lineage were 'soil animals', living in wet conditions, like those of most extant Lepidoptera-Micropterigidae. The step from here to a truly aquatic lifestyle, which is autapotypic of immature
<taxonomicName id="4C354D56FFC9DC20FD57E5B8FC2BFAA2" box="[766,905,1272,1298]" class="Insecta" kingdom="Animalia" order="Trichoptera" pageId="4" pageNumber="703" phylum="Arthropoda" rank="order">Trichoptera</taxonomicName>
, is but a small one. There is every reason to believe that these larvae were free-living, for the use of silk as part of pre-pupating larval behaviour first evolved, as far we know, in the stem lineage of the Neolepidoptera.
</paragraph>
</subSubSection>
</treatment>
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