Difference between revisions of "Illacme"

From Species-ID
Jump to: navigation, search
m (Imported from ZooKeys)
 
m (1 revision imported)
 
(One intermediate revision by the same user not shown)
Line 3: Line 3:
  
 
{{Publication to wiki notice
 
{{Publication to wiki notice
−
  | author = Marek, Paul E. AND Shear, William A. AND Bond, Jason E.
+
  | author = Marek, Paul E. AND Hall, Charity L. AND Lee, Cedric AND Bailey, James AND Berger, Matt C. AND Kasson, Matt T. AND Shear, William
−
  | author_abbreviated = Marek P AND Shear W AND Bond J
+
  | author_abbreviated = Marek P AND Hall C AND Lee C AND Bailey J AND Berger M AND Kasson M AND Shear W
−
  | year = 2012
+
  | year = 2023
−
  | title = A redescription of the leggiest animal, the millipede ''Illacme plenipes'', with notes on its natural history and biogeography (Diplopoda, Siphonophorida, Siphonorhinidae)
+
  | title = A new species of ''Illacme'' from southern California (Siphonophorida, Siphonorhinidae)
 
  | journal = ZooKeys
 
  | journal = ZooKeys
−
  | volume = 241
+
  | volume = 1167
−
  | pages = 77--112
+
  | pages = 265--291
−
  | doi = 10.3897/zookeys.241.3831
+
  | doi = 10.3897/zookeys.1167.102537
−
  | citationurl = http://www.pensoft.net/journals/zookeys/article/3831/citation/
+
  | citationurl = https://zookeys.pensoft.net/articles.php?id=102537&element_type=9
−
  | url = http://www.pensoft.net/journals/zookeys/article/3831/abstract
+
  | url = https://zookeys.pensoft.net/articles.php?id=102537
 
  | publisher = Pensoft Publishers
 
  | publisher = Pensoft Publishers
 
  | publisherurl = http://www.pensoft.net/
 
  | publisherurl = http://www.pensoft.net/
−
}}
+
}}
  
 
{{Treatment start
 
{{Treatment start
Line 26: Line 26:
 
  | Taxon authority = Cook & Loomis, 1928
 
  | Taxon authority = Cook & Loomis, 1928
 
  | Taxon status =  
 
  | Taxon status =  
−
| Nomenclature citation = {{Nomenclature citation |''{{Taxon name|Illacme}}''Cook and Loomis 1928<ref name="B12">{{aut|Cook O}}, {{aut|Loomis H}} (1928) Millipeds of the order Colobognatha, with descriptions of six new genera and type species, from Arizona and California. Proceedings of the United States National Museum  72: 1-26.</ref >: 12; Chamberlin and Hoffman 1958<ref name="B10">{{aut|Chamberlin R}}, {{aut|Hoffman R}} (1958) Checklist of the millipeds of North America. Bulletin of the United States National Museum  212: 1-236. doi: [http://dx.doi.org/10.5479/si.03629236.212 10.5479/si.03629236.212]</ref >: 189; Buckett 1964<ref name="B9">{{aut|Buckett J}} (1964) Annotated list of Diplopoda of California. Simmons Publishing Co., Davis, California, 34 pp.</ref >: 29; Jeekel 1971<ref name="B27">{{aut|Jeekel C}} (1971) Nomeclator generum et familiarum Diplopodorum: A list of the genus and family-group names in the class Diplopoda from the 10th edition of Linneaus, 1758, to the end of 1957. Monografieën van de Nederlandse Entomologische Vereniging  5: 1-412.</ref >: 39; Hoffman 1980<ref name="B24">{{aut|Hoffman R}} (1980) “1979” Classification of the Diplopoda. Muséum d’histoire naturelle, Genève, 237 pp.</ref >: 116; Shelley 1996b<ref name="B47">{{aut|Shelley R}} (1996b) The milliped order Siphonophorida in the United States and northern Mexico. Myriapodologica  4: 21-33.</ref >: 23; Shelley 1996a<ref name="B46">{{aut|Shelley R}} (1996a) A description of ''Siphonophora portoricensis'' Brandt (Diplopoda: Siphonophorida: Siphonophoridae), with a catalogue of ordinal representatives in the New World. Journal of Natural History  30: 1799-1814. doi: [http://dx.doi.org/10.1080/00222939600771051 10.1080/00222939600771051]</ref >: 1808; Hoffman 1999<ref name="B25">{{aut|Hoffman R}} (1999) Checklist of millipeds of North and Middle America. Virginia Museum of Natural History, Martinsville, VA, 584 pp.</ref >: 195; Jeekel 2001<ref name="B28">{{aut|Jeekel C}} (2001) A bibliographic catalogue of the Siphonophorida (Diplopoda). In: Jeekel C (Ed). Myriapod Memoranda. C.A.W. Jeekel, Amsterdam, Netherlands: 44-71.</ref >: 46; Marek and Bond 2006<ref name="B35">{{aut|Marek P}}, {{aut|Bond J}} (2006) Rediscovery of the world’s leggiest animal. Nature  441: 707-707. doi: [http://dx.doi.org/10.1038/441707a 10.1038/441707a]</ref >: 707; Shelley 2010<ref name="B48">{{aut|Shelley R}} (2010) Rediscovery, redescription, and illustrations of the milliped, ''Mitocybe auriportae'' Cook and Loomis, 1928 (Colobognatha: Platydesmida: Andrognathidae). Zootaxa  2475: 39-47.</ref >: 45.}}
 
 
  | Wikispecies page name = Illacme
 
  | Wikispecies page name = Illacme
 
  | Pensoft Profile = Illacme
 
  | Pensoft Profile = Illacme
Line 32: Line 31:
  
 
==Type species==
 
==Type species==
−
''{{Taxon name|Illacme plenipes}}'' Cook and Loomis 1928<ref name="B12">{{aut|Cook O}}, {{aut|Loomis H}} (1928) Millipeds of the order Colobognatha, with descriptions of six new genera and type species, from Arizona and California. Proceedings of the United States National Museum 72: 1-26.</ref >: 12; by original designation.
+
''{{Taxon name|Illacme plenipes}}'' Cook & Loomis, 1928.
 +
 
 +
==Species included==
 +
''{{Taxon name|Illacme plenipes}}'' Cook & Loomis, 1928; ''{{Taxon name|Illacme tobini}}'' Marek, Krejca & Shear, 2016; ''{{Taxon name|Illacme socal}}'' sp. nov.
  
 
==Family placement==
 
==Family placement==
−
''{{Taxon name|Illacme}}'' is placed with other taxa in the family Siphonorhinidae based on the following characters: Head pear-shaped (♂) or triangular (♀), not elongate or bird beak-shaped, as in the Siphonophoridae (Fig. 2, Morphbank 805574, Appendix I). Antennae elbowed between antennomeres 3, 4 (Fig. 3, [http://www.morphbank.net/?id=805578 Mb-805578]). Antennomeres 5, 6 with apical dorsal cluster of 7 or 8 basiconic sensilla (Bs2) in slight depression, not deep-set into circular pits, as in the Siphonophoridae (Fig. 4, [http://www.morphbank.net/?id=805575 Mb-805575]). Posterior gonopods with distal podomere divided into 2 or 3 branches (Fig. 5, [http://www.morphbank.net/?id=805576 Mb-805576], Fig. 6c). See also diagnoses of ''{{Taxon name|Illacme}}'' in Shelley (1996b, p. 23) and of Siphonorhinidae in Shelley and Hoffman (2004, p. 218).
+
The genus ''{{Taxon name|Illacme}}'' is placed in the family {{Taxon name|Siphonorhinidae}} based on the following morphological characters: Head pear-shaped (♂) or triangular (♀), not elongate nor with a beak, as in the {{Taxon name|Siphonophoridae}} (♂ Suppl. materials 1, 9: figs S1, S2, S32, S34; ♀ Fig. 1; Suppl. material 11: figs S36, S39). Antennae elbowed between antennomeres 3, 4 (Figs 1, 2; Suppl. materials 1, 10, 11: figs S2–S4, S36, S41). Antennomere 1 set deep in cranium, not fully visible dorsally as in {{Taxon name|Siphonophoridae}} (Suppl. material 1: figs S2, S4). Antennomere 2 longer than wide, conical, not doughnut-shaped nor wider than long as typical in {{Taxon name|Siphonophoridae}} (Suppl. material 1: figs S1, S4). Anterior margin of collum straight, not medially emarginate as in {{Taxon name|Siphonophoridae}}. Sterna with prominent midline triangular ridge, projecting ventrally (Suppl. material 5: fig. S19). Posterior gonopods with distal podomere divided into 2–5 branches with one branch spike-like ('''i–v''', Fig. 3B; Suppl. material 7: figs S25–S27). See also diagnoses of ''{{Taxon name|Illacme}}'' in Shelley (1996b<ref name="B29">{{aut|Shelley R}} (1996b) The milliped order {{Taxon name|Siphonophorida}} in the United States and northern Mexico.Myriapodologica4: 21–33. [http://www.vmnh.net/content/uploads/PDF/Research_and_Collections/Myriapodologica/Myriapodologica_v4_n4.pdf http://www.vmnh.net/content/uploads/PDF/Research_and_Collections/Myriapodologica/Myriapodologica_v4_n4.pdf]</ref >: 23), Marek et al. (2012<ref name="B16">{{aut|Marek P}}, {{aut|Shear W}}, {{aut|Bond J}} (2012) A redescription of the leggiest animal, the millipede ''{{Taxon name|Illacme plenipes}}'', with notes on its natural history and biogeography ({{Taxon name|Diplopoda}}, {{Taxon name|Siphonophorida}}, {{Taxon name|Siphonorhinidae}}).ZooKeys241: 77–112. https://doi.org/10.3897/zookeys.241.3831</ref >: 85; 2016<ref name="B17">{{aut|Marek P}}, {{aut|Krejca J}}, {{aut|Shear W}} (2016) A new species of ''{{Taxon name|Illacme}}'' Cook & Loomis, 1928 from Sequoia National Park, California, with a world catalog of the {{Taxon name|Siphonorhinidae}} ({{Taxon name|Diplopoda}}, {{Taxon name|Siphonophorida}}).ZooKeys626: 1–43. https://doi.org/10.3897/zookeys.626.9681</ref >: 7), and Enghoff et al. (2015<ref name="B5">{{aut|Enghoff H}}, {{aut|Golovatch S}}, {{aut|Short M}}, {{aut|Stoev P}}, {{aut|Wesener T}} (2015) {{Taxon name|Diplopoda}}–taxonomic overview. In: Minelli A (Ed.) Treatise on Zoology – Anatomy, Taxonomy, Biology.The {{Taxon name|Myriapoda}} 2. Brill, Leiden, 363–454. https://doi.org/10.1163/9789004188273_017</ref >: 386); and of {{Taxon name|Siphonorhinidae}} in Shelley and Hoffman (2004<ref name="B30">{{aut|Shelley R}}, {{aut|Hoffman R}} (2004) A contribution on the South African millipede genus, ''{{Taxon name|Nematozonium}}'' Verhoeff, 1939 ({{Taxon name|Siphonophorida}}: {{Taxon name|Siphonorhinidae}}).African Entomology12(2): 217–222.</ref >: 218), Wesener (2014<ref name="B36">{{aut|Wesener T}} (2014) First records of the order {{Taxon name|Siphonophorida}} from Madagascar and Mauritius ({{Taxon name|Diplopoda}}).Revue suisse de Zoologie121: 415–423. [https://www.biodiversitylibrary.org/page/52965457 https://www.biodiversitylibrary.org/page/52965457]</ref >: 417), and Enghoff et al. (2015<ref name="B5">{{aut|Enghoff H}}, {{aut|Golovatch S}}, {{aut|Short M}}, {{aut|Stoev P}}, {{aut|Wesener T}} (2015) {{Taxon name|Diplopoda}}–taxonomic overview. In: Minelli A (Ed.) Treatise on Zoology – Anatomy, Taxonomy, Biology.The {{Taxon name|Myriapoda}} 2. Brill, Leiden, 363–454. https://doi.org/10.1163/9789004188273_017</ref >: 386).
−
 
+
−
==Diagnosis==
+
−
Adults of ''{{Taxon name|Illacme}}'' are distinct from other siphonorhinid genera (and commonly-encountered millipedes co-occurring with ''{{Taxon name|Illacme plenipes}}'') based on the combination of – ''Exoskeleton'': Body light cream-colored, thread-like, extremely narrow and long (max. width: ♂ 0.55, ♀ 0.64; max. length: ♂ 28.16, ♀ 40.40). Adult individuals with 84 – 192 segments, and with 318 – 750 legs (VMNH paratype ♀ with 192 segments and 750 legs, more than any other organism known on Earth). Body with hirsute vestiture, appearing velvety (Fig. 2, [http://www.morphbank.net/?id=805577 Mb-805577]). Antennae elbowed between antennomeres 3, 4 (Figs 2, 3, [http://www.morphbank.net/?id=805578 Mb-805578]). Antennomeres 5, 6 enlarged, appearing oversized relative to other millipedes (Figs 2, 3, [http://www.morphbank.net/?id=805579 Mb-805579]). Head pear-shaped (♂) or triangular/chevron-shaped (♀), eyeless (Figs 2, 3, [http://www.morphbank.net/?id=805574 Mb-805574], Appendix I). Mouthparts (gnathochilarium, mandibles) and labrum tightly appressed, tapered anteriorly to rounded apex, not bird beak-shaped, as in the Siphonophoridae (Fig. 3, [http://www.morphbank.net/?id=805586 Mb-805586]). Labrum with triangular tooth-lined orifice (Fig. 7a, b; [http://www.morphbank.net/?id=805580 Mb-805580]). Denticulate shelf-like carina, projecting dorsally from labrum-epistome margin (Fig. 8a, b; [http://www.morphbank.net/?id=805588 Mb-805588]). ''Internal anatomy''. Posterior one-quarter length of enteron loosely spiraled; when alive, visible through translucent cuticle (Fig. 9, [http://www.morphbank.net/?id=805582 Mb-805582]). ''Male gonopods''. 9th and 10th leg pairs modified into gonopods, each comprising 6 podomeres (Fig. 6a, b). Anterior gonopod thick, more robust than posterior gonopod (Fig. 10, [http://www.morphbank.net/?id=805583 Mb-805583], Fig. 6b). Anterior gonopodal apex (podomere 6, Fig. 6a, ''A6'') shovel-shaped; in repose, cupped sheath-like around flagelliform posterior gonopodal apex (podomere 6, Fig. 11, [http://www.morphbank.net/?id=805584 Mb-805584], Fig. 6b, ''P6''). Posterior gonopodal podomere 6 divided, comprising a bundle of 3 stylus-shaped articles (Fig. 5, [http://www.morphbank.net/?id=805627 Mb-805627], Fig. 6a, ''P6''); remaining siphonorhinid taxa have 2 stylus-shaped articles with a small spine (''{{Taxon name|Nematozonium filum}}'') or 2 articles without a spine (''{{Taxon name|Siphonorhinus}}'' Pocock, 1894 species and ''{{Taxon name|Kleruchus olivaceus}}'' Attems, 1938). 2 dorsal-most, longest articles of P6 laminate distally and recurved laterally, with denticulate posterior margins appearing claw-like (Fig. 12, [http://www.morphbank.net/?id=805585 Mb-805585], Fig. 6a, ''P6''). Ventral-most, shortest article of P6 acuminate distally, spike-like. ''Habit in life''. Movement very slow, nearly imperceptible (Appendix II, III). Antennae movement rapid, independent. Terminal antennomeres held flat and rapidly tap substrate and surroundings (Appendix IV).
+
  
 
==Taxon Treatment==
 
==Taxon Treatment==
−
*{{aut|Marek, P}}; {{aut|Shear, W}}; {{aut|Bond, J}}; 2012: A redescription of the leggiest animal, the millipede ''Illacme plenipes'', with notes on its natural history and biogeography (Diplopoda, Siphonophorida, Siphonorhinidae) [http://www.pensoft.net/journals/zookeys/ ''ZooKeys'',] '''241''': 77-112. {{doi|10.3897/zookeys.241.3831}}
+
*{{aut|Marek, P}}; {{aut|Hall, C}}; {{aut|Lee, C}}; {{aut|Bailey, J}}; {{aut|Berger, M}}; {{aut|Kasson, M}}; {{aut|Shear, W}}; 2023: A new species of ''Illacme'' from southern California (Siphonophorida, Siphonorhinidae) [https://zookeys.pensoft.net/ ''ZooKeys'',] '''1167''': 265-291. {{doi|10.3897/zookeys.1167.102537}}
−
 
+
−
==Other References==
+
−
 
+
−
<references />
+
  
 
==Images==
 
==Images==
 
{{Gallery | lines=5 | width=250
 
{{Gallery | lines=5 | width=250
−
|1= File:ZooKeys-241-077-g002.jpg|2= '''Figure 2–5.''' '''2''' Lateral (right) view of head and segments 1–5 (♂). '''a''' Lateral opening apparent between gnathochilarium and head capsule; gnathochilarium, mandible and head capsule noticeably separate at base, 1/3 head length distally from mandibular joint '''b''' Collum not covering head, with straight cephalic edge, gradually tapering laterally. Scale bar 0.5 mm. '''3''' Ventral view of head, antennae and segments 1 – 5 (♂).Scale bar 0.3 mm. '''4''' Lateral (right) view of antennomeres 5, 6 (♂).Arrow, small basiconic sensilla (Bs2) in cluster of 7 or 8 oriented apical dorsally (retrolaterally) in slight depression on antennomeres 5, 6. Scale bar 0.05 mm. '''5''' Oblique (right) view of right posterior gonopod (♂).Posterior gonopodal podomere 6 divided, comprising a bundle of 3 stylus-shaped articles. Scale bar 0.05 mm.
+
|1= File:zookeys-1167-265_article-102537__-g001.jpg|2= '''Figure 1.''' ''{{Taxon name|Illacme socal}}'' sp. nov. '''A''' ♂ holotype, MPE04621, and ♀ paratype, MPE04622 (with head at top) '''B''' scanning electron micrograph of the head of ♀, MPE04625 '''C''' micrograph of midbody rings of ♀, ventral view, MPE04625. Scale bars: 1 mm ('''A'''); 0.5 mm ('''B, C''').
−
|3= File:ZooKeys-241-077-g003.jpg|4= '''Figure 6.''' Illustration of anterior and posterior gonopods (♂). '''a''' Posterior gonopod with podomeres labeled P1-6 '''b''' Anterior gonopod with podomeres labeled A1-6 '''c''' 3 stylus-shaped articles. Scale bar 0.05 mm.
+
|3= File:zookeys-1167-265_article-102537__-g002.jpg|4= '''Figure 2.''' ''{{Taxon name|Illacme socal}}'' sp. nov. Scanning electron micrographs '''A''' left, head and anterior rings of ♂ holotype, ventral view (MPE04621) '''B''' right antenna of ♀ paratype, apical view (MPE04976). Scale bars: 400 µm ('''A'''); 50 µm ('''B'''). Abbreviations: '''as''', apical cones; '''b2''', small basiconic sensillum; '''b3''', spiniform basiconic sensillum; '''cs''', chaetiform sensillum; '''ts''', trichoid sensillum.
−
|5= File:ZooKeys-241-077-g004.jpg|6= '''Figure 7.''' Dorsal view of anterior region of head and labrum (♂). '''a''' Scanning electron micrograph: arrow, labrum with triangular tooth-lined orifice '''b''' Line drawing: shaded area, triangular tooth-line orifice; arrow, gnathochilarium. Scale bar 0.02 mm.
+
|5= File:zookeys-1167-265_article-102537__-g003.jpg|6= '''Figure 3.''' ''{{Taxon name|Illacme socal}}'' sp. nov. ♂ '''A''' anterior gonopod, left side, medial view '''B''' posterior gonopod, left side, medial view. Podomeres numbered. Scale bar: 50 µm ('''A, B'''). Abbreviations: '''i''' – '''v''', styliform articles of the posterior gonopodal apex (podomere 7); '''s''', accessory seta.
−
|7= File:ZooKeys-241-077-g005.jpg|8= '''Figure 8.''' Lateral (right) view of antennal and cephalic apices (♂). '''a''' Scanning electron micrograph: arrow, denticulate shelf-like carina, projecting dorsally from labrum-epistome margin. Scale bar 0.1 mm '''b''' Line drawing: top arrow, shelf-like carina; middle arrow, triangular tooth-lined orifice; bottom arrow, gnathochilarium. Scale bar 0.01 mm.
+
−
|9= File:ZooKeys-241-077-g006.jpg|10= '''Figure 9.''' ''{{Taxon name|Illacme plenipes}}'' ♀ with 170 segments and 662 legs (specimen # SPC000931). Top inset, 2× magnified view of posterior segments with corkscrew-shaped metenteron visible through cuticle; bottom inset, 3× magnified illustration of corkscrew-shaped metenteron. Scale bar 1 mm.
+
−
|11= File:ZooKeys-241-077-g007.jpg|12= '''Figures 10–15.''' '''10''' Ventral ''in situ'' view of gonopods '''('''♂''').''' Arrow, anterior gonopod thick, more robust than posterior gonopod. Scale bar 0.1 mm '''11''' Medial view of right gonopods '''('''♂''').''' Arrow, Anterior gonopodal apex (podomere 6) shovel-shaped; in repose cupped sheath-like around flagelliform posterior gonopodal apex (podomere 6). Scale bar 0.05 mm. '''12''' Oblique (right) view of right posterior gonopodal apex '''('''♂''').''' 2 dorsal-most, longest articles laminate distally and recurved laterally, with denticulate posterior margins appearing claw-like. Scale bar 0.02 mm. '''13''' Antennomere 7 apex '''('''♂''')'''. '''a''' Four apical cones (AS) oriented in a trapezoidal cluster on 7th antennomere, with longitudinally grooved outer surface and apical circular invagination '''b''' Spiniform basiconic sensilla (Bs3) in cluster of 5, oriented apical dorsally on 7th antennomere; tips facing apical cones (on longitudinal axis with Bs2 on antennomeres 5, 6); each sensillum with 2 barbules. Scale bar 0.02 mm.'''14''' Lateral (right) view of right antenna '''('''♂''')'''. '''a''' Chaetiform sensilla (CS) widely spaced on antennomeres 1-7, each sensillum with 2 or 3 barbules '''b''' Trichoid sensilla (TS) oriented apically encircling antennomeres 1–7, lacking barbules. Scale bar 0.1 mm. '''15''' Lateral (right) view of head, collum and segments 2, 3 '''('''♂''')'''.Arrow, collum with carina present on anterolateral margin, appearing scaly. Carina repeated serially on lateral tergal and pleural margins (absent from telson). Scale bar 0.1 mm.
+
 
}}
 
}}
 +
 +
==Other References==
 +
 +
<references />

Latest revision as of 14:11, 21 June 2023

Notice: This page is derived from the original publication listed below, whose author(s) should always be credited. Further contributors may edit and improve the content of this page and, consequently, need to be credited as well (see page history). Any assessment of factual correctness requires a careful review of the original article as well as of subsequent contributions.

If you are uncertain whether your planned contribution is correct or not, we suggest that you use the associated discussion page instead of editing the page directly.

This page should be cited as follows (rationale):
Marek P, Hall C, Lee C, Bailey J, Berger M, Kasson M, Shear W (2023) A new species of Illacme from southern California (Siphonophorida, Siphonorhinidae). ZooKeys 1167 : 265–291, doi. Versioned wiki page: 2023-06-21, version 197331, https://species-id.net/w/index.php?title=Illacme&oldid=197331 , contributors (alphabetical order): Pensoft Publishers.

Citation formats to copy and paste

BibTeX:

@article{Marek2023ZooKeys1167,
author = {Marek, Paul E. AND Hall, Charity L. AND Lee, Cedric AND Bailey, James AND Berger, Matt C. AND Kasson, Matt T. AND Shear, William},
journal = {ZooKeys},
publisher = {Pensoft Publishers},
title = {A new species of Illacme from southern California (Siphonophorida, Siphonorhinidae)},
year = {2023},
volume = {1167},
issue = {},
pages = {265--291},
doi = {10.3897/zookeys.1167.102537},
url = {https://zookeys.pensoft.net/articles.php?id=102537},
note = {Versioned wiki page: 2023-06-21, version 197331, https://species-id.net/w/index.php?title=Illacme&oldid=197331 , contributors (alphabetical order): Pensoft Publishers.}

}

RIS/ Endnote:

TY - JOUR
T1 - A new species of Illacme from southern California (Siphonophorida, Siphonorhinidae)
A1 - Marek P
A1 - Hall C
A1 - Lee C
A1 - Bailey J
A1 - Berger M
A1 - Kasson M
A1 - Shear W
Y1 - 2023
JF - ZooKeys
JA -
VL - 1167
IS -
UR - http://dx.doi.org/10.3897/zookeys.1167.102537
SP - 265
EP - 291
PB - Pensoft Publishers
M1 - Versioned wiki page: 2023-06-21, version 197331, https://species-id.net/w/index.php?title=Illacme&oldid=197331 , contributors (alphabetical order): Pensoft Publishers.

M3 - doi:10.3897/zookeys.1167.102537

Wikipedia/ Citizendium:

<ref name="Marek2023ZooKeys1167">{{Citation
| author = Marek P, Hall C, Lee C, Bailey J, Berger M, Kasson M, Shear W
| title = A new species of Illacme from southern California (Siphonophorida, Siphonorhinidae)
| journal = ZooKeys
| year = 2023
| volume = 1167
| issue =
| pages = 265--291
| pmid =
| publisher = Pensoft Publishers
| doi = 10.3897/zookeys.1167.102537
| url = https://zookeys.pensoft.net/articles.php?id=102537
| pmc =
| accessdate = 2025-06-02

}} Versioned wiki page: 2023-06-21, version 197331, https://species-id.net/w/index.php?title=Illacme&oldid=197331 , contributors (alphabetical order): Pensoft Publishers.</ref>

See also the citation download page at the journal.


Taxonavigation

Ordo: Siphonophorida
Familia: Siphonorhinidae

Name

Illacme Cook & Loomis, 1928 – Wikispecies link – Pensoft Profile

Type species

Illacme plenipes Cook & Loomis, 1928.

Species included

Illacme plenipes Cook & Loomis, 1928; Illacme tobini Marek, Krejca & Shear, 2016; Illacme socal sp. nov.

Family placement

The genus Illacme is placed in the family Siphonorhinidae based on the following morphological characters: Head pear-shaped (♂) or triangular (♀), not elongate nor with a beak, as in the Siphonophoridae (♂ Suppl. materials 1, 9: figs S1, S2, S32, S34; ♀ Fig. 1; Suppl. material 11: figs S36, S39). Antennae elbowed between antennomeres 3, 4 (Figs 1, 2; Suppl. materials 1, 10, 11: figs S2–S4, S36, S41). Antennomere 1 set deep in cranium, not fully visible dorsally as in Siphonophoridae (Suppl. material 1: figs S2, S4). Antennomere 2 longer than wide, conical, not doughnut-shaped nor wider than long as typical in Siphonophoridae (Suppl. material 1: figs S1, S4). Anterior margin of collum straight, not medially emarginate as in Siphonophoridae. Sterna with prominent midline triangular ridge, projecting ventrally (Suppl. material 5: fig. S19). Posterior gonopods with distal podomere divided into 2–5 branches with one branch spike-like (i–v, Fig. 3B; Suppl. material 7: figs S25–S27). See also diagnoses of Illacme in Shelley (1996b[1]: 23), Marek et al. (2012[2]: 85; 2016[3]: 7), and Enghoff et al. (2015[4]: 386); and of Siphonorhinidae in Shelley and Hoffman (2004[5]: 218), Wesener (2014[6]: 417), and Enghoff et al. (2015[4]: 386).

Taxon Treatment

  • Marek, P; Hall, C; Lee, C; Bailey, J; Berger, M; Kasson, M; Shear, W; 2023: A new species of Illacme from southern California (Siphonophorida, Siphonorhinidae) ZooKeys, 1167: 265-291. doi

Images

Figure 1. Illacme socal sp. nov. A ♂ holotype, MPE04621, and ♀ paratype, MPE04622 (with head at top) B scanning electron micrograph of the head of ♀, MPE04625 C micrograph of midbody rings of ♀, ventral view, MPE04625. Scale bars: 1 mm (A); 0.5 mm (B, C).
Figure 1. Illacme socal sp. nov. A ♂ holotype, MPE04621, and ♀ paratype, MPE04622 (with head at top) B scanning electron micrograph of the head of ♀, MPE04625 C micrograph of midbody rings of ♀, ventral view, MPE04625. Scale bars: 1 mm (A); 0.5 mm (B, C). 
Figure 2. Illacme socal sp. nov. Scanning electron micrographs A left, head and anterior rings of ♂ holotype, ventral view (MPE04621) B right antenna of ♀ paratype, apical view (MPE04976). Scale bars: 400 µm (A); 50 µm (B). Abbreviations: as, apical cones; b2, small basiconic sensillum; b3, spiniform basiconic sensillum; cs, chaetiform sensillum; ts, trichoid sensillum.
Figure 2. Illacme socal sp. nov. Scanning electron micrographs A left, head and anterior rings of ♂ holotype, ventral view (MPE04621) B right antenna of ♀ paratype, apical view (MPE04976). Scale bars: 400 µm (A); 50 µm (B). Abbreviations: as, apical cones; b2, small basiconic sensillum; b3, spiniform basiconic sensillum; cs, chaetiform sensillum; ts, trichoid sensillum. 
Figure 3. Illacme socal sp. nov. ♂ A anterior gonopod, left side, medial view B posterior gonopod, left side, medial view. Podomeres numbered. Scale bar: 50 µm (A, B). Abbreviations: i – v, styliform articles of the posterior gonopodal apex (podomere 7); s, accessory seta.
Figure 3. Illacme socal sp. nov. ♂ A anterior gonopod, left side, medial view B posterior gonopod, left side, medial view. Podomeres numbered. Scale bar: 50 µm (A, B). Abbreviations: i – v, styliform articles of the posterior gonopodal apex (podomere 7); s, accessory seta. 

Other References

  1. ↑ Shelley R (1996b) The milliped order Siphonophorida in the United States and northern Mexico.Myriapodologica4: 21–33. http://www.vmnh.net/content/uploads/PDF/Research_and_Collections/Myriapodologica/Myriapodologica_v4_n4.pdf
  2. ↑ Marek P, Shear W, Bond J (2012) A redescription of the leggiest animal, the millipede Illacme plenipes, with notes on its natural history and biogeography (Diplopoda, Siphonophorida, Siphonorhinidae).ZooKeys241: 77–112. https://doi.org/10.3897/zookeys.241.3831
  3. ↑ Marek P, Krejca J, Shear W (2016) A new species of Illacme Cook & Loomis, 1928 from Sequoia National Park, California, with a world catalog of the Siphonorhinidae (Diplopoda, Siphonophorida).ZooKeys626: 1–43. https://doi.org/10.3897/zookeys.626.9681
  4. ↑ 4.0 4.1 Enghoff H, Golovatch S, Short M, Stoev P, Wesener T (2015) Diplopoda–taxonomic overview. In: Minelli A (Ed.) Treatise on Zoology – Anatomy, Taxonomy, Biology.The Myriapoda 2. Brill, Leiden, 363–454. https://doi.org/10.1163/9789004188273_017
  5. ↑ Shelley R, Hoffman R (2004) A contribution on the South African millipede genus, Nematozonium Verhoeff, 1939 (Siphonophorida: Siphonorhinidae).African Entomology12(2): 217–222.
  6. ↑ Wesener T (2014) First records of the order Siphonophorida from Madagascar and Mauritius (Diplopoda).Revue suisse de Zoologie121: 415–423. https://www.biodiversitylibrary.org/page/52965457
Retrieved from "https://species-id.net/w/index.php?title=Illacme&oldid=197331"