identifier	taxonID	type	CVterm	format	language	title	description	additionalInformationURL	UsageTerms	rights	Owner	contributor	creator	bibliographicCitation
BE5787BEAB0D0454FE82FCEF65F87AFD.text	BE5787BEAB0D0454FE82FCEF65F87AFD.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Australobius chagosensis Popovici & Edgecombe & Hall 2024	<html xmlns:mods="http://www.loc.gov/mods/v3">
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            <p> Australobius chagosensis Popovici &amp; Edgecombe sp. n.</p>
            <p>(Figures 1, 2 (A–l))</p>
            <p>urn:lsid:zoobank.org:act: 4FC7008A-F1DD-4D39-8831-E642AB062676</p>
            <p>Etymology</p>
            <p>The specific epithet reflects the origin of the two known specimens, both from Diego Garcia in the Chagos Archipelago.</p>
            <p>Type material</p>
            <p> Holotype, NHMUK015619673, ♀, Diego Garcia, 7.359°S, 72.432°E, leaf litter, 02 July 2022, leg. W. Rabitsch. Paratype NHMUK015626351, juvenile ♀, Point Marianne Culture site, 7.319°S, 72.427°E, leaf litter, 22 June 2022, leg. W. Rabitsch.</p>
            <p>Diagnosis</p>
            <p> Small-sized  Australobius , body length 7–10 mm. Antenna with 19–20 articles. 4 + 4 ocelli of similar size. Anterior margin of forcipular coxosternite with 3 + 3 teeth; small spiniform porodont situated between the medial and outermost teeth. Tergites 9, 11 and 13 with small posterior triangular projections. Ultimate leg pair with greatly reduced tarsus 2, less than 1/3 length of tarsus 1; ultimate leg apical claw simple. Female gonopods with 3 + 3 slender spurs and a trifurcate claw. </p>
            <p>Description</p>
            <p>Habitus. Body length 10 mm (holotype), 7 mm (paratype). Colour in ethanol dark brown with violet pigmentation in the anterior part of the body and the proximal articles of the legs. Head and antennae. Cephalic plate of subequal length and width; frontal margin with medial notch (Figure 1 (A)). 4 + 4 ocelli, arranged in two rows comprising two ocelli each (Figure 1 (B,C)). Principal ocellus only slightly larger than seriate ocelli, all of which are of similar size. Tömösváry’s organ small, positioned below the principal ocellus (Figure 1 (B)). Antenna with 19 (holotype, one complete antenna)–20 articles; 2.4 times longer than the cephalic capsule and 25% of body length (Figure 1 (A)).</p>
            <p>Forcipular segment. Anterior margin of forcipular coxosternite only slightly protruding, with 3 + 3 teeth of roughly equal size (Figure 1 (D)). Porodont slender, spiniform, situated between the medial and outermost teeth (Figure 1 (E,F)). Dental margin continuous with the remainder of the anterior margin. Median diastema broadly U-shaped (holotype: Figure 1 (D)) or rounded V-shaped (paratype: Figure 1 (E)).</p>
            <p>Trunk. Large tergites wrinkled, with evident lateral but indistinct posterior margination. Posterior angles of tergites 9, 11 and 13 of holotype with small, feeble triangular projections (Figure 1 (G)) but these are completely absent in the paratype (Figure 2 (A)). Coxal pores on legs 12–15, round, arranged as 2, 3, 3, 3/2, 3, 3, 3 (paratype) or 3, 3, 4, 4/3, 4, 5, 4 (holotype) (Figure 2 (I)).</p>
            <p>Ultimate leg-bearing and postpedal segments. Ultimate leg telopodite slender and elongate (Figure 2 (C)).Tarsus 2 greatly reduced in size,only 24.5% (paratype) – 31% (holotype) of the length of tarsus 1 (Figure 2 (C–F)). Telopodite of leg pair 14 similarly elongate but tarsus 2 not greatly reduced in size (Figure 2 (B,G)). Pretarsus without accessory claws, main claw bearing a minute anteroventral spine (Figure 2 (H)). Female gonopods with 3 + 3 elongate, slender spurs (Figure 2 (J,K)); apical claw with well-developed lateral and medial denticles (Figure 2 (I)). Gonopods of immature female paratype with 2 + 2 minute spurs (Figure 2 (L)). Male unknown.</p>
            <p>Plectrotaxy. As in the following tables (C, coxa; P, prefemur; T, tibia; t, trochanter; a. anterior; m, median; p. posterior).</p>
            <p>Plectrotaxy of female holotype (NHMUK015619673).</p>
            <table>
                <tr>
                    <td>&nbsp;</td>
                    <td>&nbsp;</td>
                    <td>&nbsp;</td>
                    <th>Ventral</th>
                    <td>&nbsp;</td>
                    <td>&nbsp;</td>
                    <td>&nbsp;</td>
                    <td>&nbsp;</td>
                    <th>Dorsal</th>
                    <td>&nbsp;</td>
                    <td>&nbsp;</td>
                </tr>
                <tr>
                    <th>Leg pair</th>
                    <td>C</td>
                    <td>t</td>
                    <td>P</td>
                    <td>F</td>
                    <td>T</td>
                    <td>C</td>
                    <td>t</td>
                    <td>P</td>
                    <td>F</td>
                    <td>T</td>
                </tr>
                <tr>
                    <th>1</th>
                    <td>−</td>
                    <td>−</td>
                    <td>−</td>
                    <td>a</td>
                    <td>m</td>
                    <td>−</td>
                    <td>−</td>
                    <td>amp</td>
                    <td>p</td>
                    <td>−</td>
                </tr>
                <tr>
                    <th>13</th>
                    <td>−</td>
                    <td>m</td>
                    <td>amp</td>
                    <td>amp</td>
                    <td>am</td>
                    <td>?</td>
                    <td>−</td>
                    <td>amp</td>
                    <td>ap</td>
                    <td>p</td>
                </tr>
                <tr>
                    <th>14</th>
                    <td>−</td>
                    <td>m</td>
                    <td>amp</td>
                    <td>amp</td>
                    <td>a</td>
                    <td>a</td>
                    <td>−</td>
                    <td>amp</td>
                    <td>ap</td>
                    <td>−</td>
                </tr>
                <tr>
                    <th>15</th>
                    <td>−</td>
                    <td>m</td>
                    <td>amp</td>
                    <td>amp</td>
                    <td>−</td>
                    <td>a</td>
                    <td>−</td>
                    <td>amp</td>
                    <td>p</td>
                    <td>−</td>
                </tr>
            </table>
            <p>Plectrotaxy of female paratype (NHMUK 015626351).</p>
            <table>
                <tr>
                    <td>&nbsp;</td>
                    <td>&nbsp;</td>
                    <td>&nbsp;</td>
                    <th>Ventral</th>
                    <td>&nbsp;</td>
                    <td>&nbsp;</td>
                    <td>&nbsp;</td>
                    <td>&nbsp;</td>
                    <th>Dorsal</th>
                    <td>&nbsp;</td>
                    <td>&nbsp;</td>
                </tr>
                <tr>
                    <th>Leg pair</th>
                    <td>C</td>
                    <td>t</td>
                    <td>P</td>
                    <td>F</td>
                    <td>T</td>
                    <td>C</td>
                    <td>t</td>
                    <td>P</td>
                    <td>F</td>
                    <td>T</td>
                </tr>
                <tr>
                    <th>1</th>
                    <td>−</td>
                    <td>−</td>
                    <td>−</td>
                    <td>a</td>
                    <td>m</td>
                    <td>−</td>
                    <td>−</td>
                    <td>amp</td>
                    <td>a</td>
                    <td>−</td>
                </tr>
                <tr>
                    <th>13</th>
                    <td>−</td>
                    <td>m</td>
                    <td>amp</td>
                    <td>mp</td>
                    <td>m</td>
                    <td>−</td>
                    <td>−</td>
                    <td>mp</td>
                    <td>ap</td>
                    <td>p</td>
                </tr>
                <tr>
                    <th>14</th>
                    <td>−</td>
                    <td>m</td>
                    <td>amp</td>
                    <td>amp</td>
                    <td>−</td>
                    <td>−</td>
                    <td>−</td>
                    <td>mp</td>
                    <td>p</td>
                    <td>−</td>
                </tr>
                <tr>
                    <th>15</th>
                    <td>−</td>
                    <td>m</td>
                    <td>amp</td>
                    <td>am</td>
                    <td>−</td>
                    <td>−</td>
                    <td>−</td>
                    <td>amp</td>
                    <td>p</td>
                    <td>−</td>
                </tr>
            </table>
            <p> Discussion. The specimens from Diego Garcia compare most closely to  A. sculpturatus (Pocock, 1901) (revised by Eason 1973), from southern India, Sri Lanka, the Laccadives and the Maldives, and  A. palnis (Eason, 1973) from Sri Lanka (Eason 1993). Similarities include the low number of ocelli, no more than diminutive posterior projections on tergites 9, 11 and 13, slender spurs on the female gonopods, and plectotraxy. However, examination of the types of both  A. sculpturatus and  A. palnis , as well as specimens from the Maldives assigned to the former, shows a substantially longer tarsus 2 than in both specimens of  A. chagosensis (Figure 2 (M,N) vs Figure 2 (C)). Additional characters in which  A. chagosensis differs include ocelli more homogeneous in size, and 3 + 3 (vs 4 + 4 or 3 + 4) teeth on the anterior margin of the forcipular coxosternite. </p>
            <p> The position of the porodont, between the second and third teeth, is shared with  Australobius malayicus (Verhoeff, 1937) ; however,  A. chagosensis can be distinguished from that Malaysian species by the fewer ocelli (four vs six) and 3 + 3 vs 4 + 4 coxosternal teeth. </p>
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	https://treatment.plazi.org/id/BE5787BEAB0D0454FE82FCEF65F87AFD	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Plazi	Popovici, George;Edgecombe, Gregory D.;Hall, Daniel W.	Popovici, George, Edgecombe, Gregory D., Hall, Daniel W. (2024): New Chilopoda from the Chagos Archipelago. Journal of Natural History 58 (41 - 44): 1885-1915, DOI: 10.1080/00222933.2024.2395903, URL: http://dx.doi.org/10.1080/00222933.2024.2395903
BE5787BEAB090458FE6DFF7E64E97E5C.text	BE5787BEAB090458FE6DFF7E64E97E5C.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Lamyctes mauriesi Demange 1981	<html xmlns:mods="http://www.loc.gov/mods/v3">
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            <p> Lamyctes mauriesi Demange, 1981</p>
            <p>(Figure 3)</p>
            <p>Material examined</p>
            <p> 6 ♀♀: NHMUK015558196, DNA barcode voucher; NHMUK015619674 (5 ♀♀), Diego Garcia, 7.359°S, 72.432°E, leaf litter, 02 July 2022, leg. W. Rabitsch; 1 ♀, NHMUK015558199, DNA barcode voucher, Diego Garcia, Plantation Gate closed, 7.411° S, 72.452°E, leaf litter, 23 June 2022, leg. W. Rabitsch.</p>
            <p>Description</p>
            <p>Habitus. Body length 4.8–5.5 mm (for specimens used as DNA barcode vouchers). Colour in ethanol: Cephalic shield and tergites uniformly dark brown, legs light brown with violet distal articles. No dark colouration around ocellus or anterior margin of cephalic shield.</p>
            <p>Cephalic shield (Figure 3 (A)). Frontal margin with evident medial notch, lacking a median furrow, ocellus present. Posterior margin of cephalic shield nearly transverse, with indistinct margination. Antenna with 32–34 articles, ca. 5 times longer than cephalic shield and about half of body length. Pairs of articles 3–4, (6)7–8, 11–12, 14–15, 17–18, 23– 24 and 26–27 relatively shortened.</p>
            <p>Forcipular coxosternite. Subtrapezoidal with weak shoulder and gently converging lateral margin. Anterior margin with 2 + 2 teeth and a short, spinous pseudoporodont (Figure 3 (B)). Pseudoporodont displaced proximally to teeth. Median diastema 1.5 times wider than the gap between teeth, with rounded apex. Long setae clustered near anterior margin and on the internal side of forcipular articles.</p>
            <p>Trunk. All tergites with rounded posterior angles and without projections. Posterior margins weakly concave. Large tergites with complete posterior margination.</p>
            <p>Legs. Distal spinous projection distinctly acuminate and present on tibiae 1–12 (Figure 3 (C)). Legs 13–15 without projections. Ultimate legs up to 3 mm long (approx. 60% of body length). Tarsus 1 20% and tarsus 2 18.5% of its length (Figure 3 (D)). All legs with anterior and posterior accessory claws, approximately 40% of the length of the apical claw. Coxal pores on legs 12–15 arranged as 2 + 2, 2(3) + 2(3), 2(3) + 3, 3 + 3 respectively.</p>
            <p>Gonopods (Figure 3 (E–G)). Female gonopods with 3 + 3 (rarely 2 + 3) spurs and simple claw. Article I with 7–9 setae, article II with 2–3 setae and article III with 1 seta.</p>
            <p>COI barcode. GenBank accession numbers PQ165822 (NHMUK015558199), PQ165823 (NHMUK015558196).</p>
            <p> Remarks. A possible synonymy with  Lamyctes albipes (Pocock, 1894) , originally described from Java, and  L. mauriesi Demange, 1981 , originally described from Guadeloupe, was discussed by Eason and Enghoff (1992) and has generally been endorsed in recent studies (eg Akkari and Ganske 2018). Variability in number of antennal articles and number of spurs on the female gonopod has been a focus of discussion. Pocock’s type of  L. albipes has 28 articles and 2 + 2 spurs on the gonopod (Figure 4 (D)), but Attems (1907) assigned a specimen from Buitenzorg (Bogor), Java, with 33–34 articles and 3 + 3 spurs to that species. Demange (1981a) considered Attems’ specimen to be without doubt (‘sans doute’) a different species, which he compared to  L. mauriesi . The holotype of  L. mauriesi has 30 articles and 3 + 3 spurs. However, specimens from the Canary Islands that were confidently identified as  L. mauriesi mostly show 2 + 2 spurs apart from two specimens with 3 + 2 or 2 + 3 (Eason and Enghoff 1992). A female from the Karakaram Range in India or Pakistan assigned to  L. albipes by Silvestri (1935) has 28 and 23 (the latter ‘certainly anomalous’) articles and 2 + 2 spurs. Eason (1996) assigned females from Sakhalin Island in the Russian Far East to  L. albipes , matching Pocock’s type in having 28 articles and 2 + 2 spurs. Females assigned to  L. albipes from the Seychelles (Mahé, Silhouette, Praslin) have 30 antennal articles and 3 + 3 spurs (Demange 1981b; Stoev and Gerlach 2010). </p>
            <p> Specimens from Diego Garcia correspond most closely to the Javanese specimen assigned (likely incorrectly) to  L. albipes by Attems (1907). A distal spinous projection is present on the tibia of leg 12 in Chagos specimens (Figure 3 (C)), as in the Java specimen, but is lacking in the types of  L. mauriesi and  L. albipes , the latter having a weak, blunt projection (Figure 4 (C)). The Chagos and Java specimens have the highest antennal article count of any material assigned to  L. mauriesi or  L. albipes (32–34 vs 28–30). With respect to  L. albipes ,  L. albipes sensu Attems (1907) and  L. mauriesi , the shape of the forcipular coxosternite and its anterior margin do not carry diagnostic information, with descriptions of these characters largely matching among all three species (compare Figure 3 (B) to Figure 4 (A,B)). Without molecular data for populations other than the Chagos Archipelago, we are unwilling to name additional species within what is likely to be a species complex and treat populations with 3 + 3 spurs on the female gonopod and 30 or more antennal articles as  L. mauriesi . </p>
            <p> Accepting a close affinity between  L. mauriesi and  L. albipes , this likely clade is known exclusively from females throughout its broad geographic range. These species are thus likely to be parthenogenetic like other  Lamyctes species with cosmopolitan distributions, such as  L. africanus and  L. emarginatus (males are known only from limited parts of their ranges). </p>
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	https://treatment.plazi.org/id/BE5787BEAB090458FE6DFF7E64E97E5C	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Plazi	Popovici, George;Edgecombe, Gregory D.;Hall, Daniel W.	Popovici, George, Edgecombe, Gregory D., Hall, Daniel W. (2024): New Chilopoda from the Chagos Archipelago. Journal of Natural History 58 (41 - 44): 1885-1915, DOI: 10.1080/00222933.2024.2395903, URL: http://dx.doi.org/10.1080/00222933.2024.2395903
BE5787BEAB04045EFE1CFDA3604C79B9.text	BE5787BEAB04045EFE1CFDA3604C79B9.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Lamyctes tristani (Pocock 1893)	<html xmlns:mods="http://www.loc.gov/mods/v3">
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            <p> Lamyctes tristani (Pocock, 1893)</p>
            <p>(Figures 5, 6)</p>
            <p>Material examined</p>
            <p> 2 adult ♀♀, NHMUK015626352, Diego Garcia, Downtown, 7.263°S, 72.374°E, 26 June 2022, leg. W. Rabitsch, suction sampler; 1 adult ♀, NHMUK015619670, Diego Garcia, wetland site, 7.310°S, 72.419°E, 22 June 2022, leg. W. Rabitsch, suction sampler.</p>
            <p>Description</p>
            <p>Body length up to 6.5 mm. Colour in ethanol: Cephalic shield and tergites uniformly dark brown, legs light brown with violet distal articles. No dark colouration around the ocellus and anterior margin of the cephalic shield.</p>
            <p>Cephalic plate. Frontal margin with evident medial notch, lacking a median furrow, ocellus present (Figure 5 (A)). Posterior margin of cephalic shield weakly concave, with evident margination. Antennae of two specimens with 18–20 (Figure 5 (C)) and 21–24 articles respectively, 2.75 times longer than cephalic shield and 31% of body length. Ultimate antennal articles generally as long as or shorter than the penultimate (Figure 5 (B)). Pairs of articles 3–4, 6–7, 9–10, 12–13, 15–16, 18–19 relatively shortened.</p>
            <p>Forcipular coxosternite. Subtrapezoidal with weak shoulder and gently converging lateral margin (Figure 6 (A,B)). Anterior margin with 2 + 2 teeth and a short, spinous pseudoporodont (Figures 5 (D), 6(C)). Pseudoporodont displaced proximally to teeth. Median diastema 1.7 times wider than the gap between teeth, narrowed medially. Long setae clustered near anterior margin and on the internal side of forcipular articles.</p>
            <p>Trunk (Figure 5 (E)). All tergites with rounded posterior angles and without projections. Posterior margins weakly concave. Large tergites with complete posterior margination.</p>
            <p>Legs. Distal spinous projection on leg pairs 1–12. Projection of tibia 12 short and rounded (Figure 5 (F)). Coxal pores on legs 12–15 arranged as 3, 3, 3, 4/3, 3, 4, 4 (NHMUK015626352). Middle two pores variably share an opening despite having separate channels. Telopodite of ultimate legs slender and elongate; tarsus 1 21% and tarsus 2 17% of its length (Figure 5 (G)).</p>
            <p>Gonopods. Female gonopods with 2 + 2 spurs and simple claw (Figure 5 (H)). Article I with 13–14 setae, article II with 5–6 setae and article III with 1–2 setae. Male not known from Chagos samples (Figure 6 (F,G), for male gonopods of a syntype from Tristan da Cunha).</p>
            <p>COI barcode. GenBank accession number PQ165824.</p>
            <p> Remarks. Specimens from Diego Garcia compare closely with  Lamyctes tristani , originally described from Tristan da Cunha (Pocock 1893; Lawrence 1956) and subsequently reported from Madagascar (Lawrence 1960). Among taxonomically informative similarities are the number of antennal articles (usually 23 or 24 in  L. tristani ), the blunt distal projection on the tibia of leg 12 (Figures 5 (F), 6(E)) and the female gonopods (Figures 5 (H), 6(H)), which all agree between the Chagos specimens and the type material of  L. tristani . In both species, the distal spinous projection of the tibia is described as terminating on leg pair 11 (Figure 6 (D)). </p>
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	https://treatment.plazi.org/id/BE5787BEAB04045EFE1CFDA3604C79B9	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Plazi	Popovici, George;Edgecombe, Gregory D.;Hall, Daniel W.	Popovici, George, Edgecombe, Gregory D., Hall, Daniel W. (2024): New Chilopoda from the Chagos Archipelago. Journal of Natural History 58 (41 - 44): 1885-1915, DOI: 10.1080/00222933.2024.2395903, URL: http://dx.doi.org/10.1080/00222933.2024.2395903
BE5787BEAB03045CFE15FED7652A7A0B.text	BE5787BEAB03045CFE15FED7652A7A0B.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Rhysida longipes Newport 1845	<html xmlns:mods="http://www.loc.gov/mods/v3">
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            <p> Rhysida longipes (Newport, 1845) </p>
            <p>(Figure 7)</p>
            <p>Material examined</p>
            <p>
                  1 subadult (35 mm), NHMUK015619677,  Chagos Archipelago , Diego Garcia Island, Eclipse Point, April 1971, leg. A.M. Hutson;   1 juvenile (16 mm), NHMUK015558200, from  Diego Garcia , site O4 BM2, July 2022, leg. W. Rabitsch, Malaise slam trap; 1 juvenile (15 mm), NHMUK015619672,  
                <a title="Search Plazi for locations around (long 72.374/lat -7.263)" href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=72.374&amp;materialsCitation.latitude=-7.263">Diego Garcia</a>
                 , Downtown, 7.263°S, 72.374°E, 26 June 2022, leg. W. Rabitsch, suction sampler; 1 adult, SMF, Diego Garcia, Tschagos Archipel, 1899. 
            </p>
            <p>Description</p>
            <p>Habitus. Proximal half of antenna pale yellow, distal half pale blue. Cephalic plate, tergites 1–2 and tergite of ultimate leg-bearing segment yellow-brown, remaining tergites pale blue.</p>
            <p>Head and forcipular segment. Antenna with 18 articles, the first four glabrous dorsally, first three glabrous ventrally. Coxosternal tooth-plates with four teeth grouped into medial and outer pairs (Figure 7 (A)). Medial pair with innermost teeth greatly reduced. Trochanteroprefemoral process with four distinct teeth.</p>
            <p>Trunk. Paramedian sutures beginning on tergite four or five. No evident paramedian sutures on sternites. Tergite margination incomplete on tergites 7 or 8, complete from tergites 8 or 9.</p>
            <p>Walking legs. Femoral spur present on leg pair 1 (Figure 7 (C)). Tibial spur present on leg pairs 1–2, 3 or 4, two tarsal spurs present on leg pairs 1–5, 6 or 7, one tarsal spur present on leg pairs 6/8–19 (Figure 7 (D)); tarsal spurs lacking on legs 20 and 21.</p>
            <p>Ultimate leg-bearing segment (Figure 7 (B)). Sternite of ultimate leg-bearing segment with straight lateral margins converging posteriorly; posterior margin nearly straight. Coxopleural process moderately long, with 2 apical spines (1 on one side of specimen NHMUK015558200), 1 subapical and 1 lateral spine; pore field terminates at base of coxopleural process in juveniles (Figure 7 (B)). Prefemur with 3 ventrolateral, 2 or 3 ventromedian, 0 or 1 median, and 3 dorsolateral spines.</p>
            <p> Remarks. The morphology of the specimens agrees with the description of  R. longipes from Eagle Island in the Chagos Archipelago (Lewis and Cole 2007). Similarities in the pattern of glabrous antennal articles between specimens collected in Sri Lanka and those from the Chagos (ie four articles glabrous dorsally vs the usual three) were given as a potential indication of introduction through human activity. The wide distribution of  R. longipes throughout Southern and Southeastern Asia is indicative of its dispersal capability; however, as the similarity between the fauna of Diego Garcia (Chagos) and Sri Lanka extends to centipedes not known to be associated with anthropochoric dispersal (see  Australobius chagosensis ), the case for natural colonisation of the archipelago by  R. longipes cannot be excluded. </p>
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	https://treatment.plazi.org/id/BE5787BEAB03045CFE15FED7652A7A0B	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Plazi	Popovici, George;Edgecombe, Gregory D.;Hall, Daniel W.	Popovici, George, Edgecombe, Gregory D., Hall, Daniel W. (2024): New Chilopoda from the Chagos Archipelago. Journal of Natural History 58 (41 - 44): 1885-1915, DOI: 10.1080/00222933.2024.2395903, URL: http://dx.doi.org/10.1080/00222933.2024.2395903
BE5787BEAB01045DFE5FFEF666D2780D.text	BE5787BEAB01045DFE5FFEF666D2780D.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Mecistocephalus angusticeps (Ribaut 1914)	<html xmlns:mods="http://www.loc.gov/mods/v3">
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            <p> Mecistocephalus angusticeps (Ribaut, 1914)</p>
            <p>Material examined</p>
            <p> 1 ♀, 47 leg-bearing segments, NHMUK015619675, Chagos Archipelago, Egmont Atoll, Ile Sudest, 04 June–July 1972, leg. M.J.D. Hirons; 1 juvenile, 47 leg-bearing segments, same collection data as preceding . </p>
            <p>Remarks</p>
            <p> This species has been previously recorded from a site on the Kenyan coast (Ribaut 1914) and a few coastal localities in the Seychelles (Demange 1981b; Bonato and Minelli 2010). The record from the Chagos Archipelago represents another coastal locality. Morphological variation in  M. angusticeps remains poorly documented due to the small number of specimens that have been described and illustrated in past literature. The present specimens agree in all diagnostic characters with the material redescribed by Bonato and Minelli (2010) from the Seychelles, so a redescription is not presented herein. This implies a larger distribution is possible for  M. angusticeps , potentially including other coastal sites in the Western Indian Ocean. Potential channels of introduction to the Chagos Archipelago, as well as the current status of  M. angusticeps in light of its absence from the material recently collected from Diego Garcia, remain a matter of speculation, although its prevalence near coastal sites suggests natural dispersal as a possibility. </p>
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	https://treatment.plazi.org/id/BE5787BEAB01045DFE5FFEF666D2780D	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Plazi	Popovici, George;Edgecombe, Gregory D.;Hall, Daniel W.	Popovici, George, Edgecombe, Gregory D., Hall, Daniel W. (2024): New Chilopoda from the Chagos Archipelago. Journal of Natural History 58 (41 - 44): 1885-1915, DOI: 10.1080/00222933.2024.2395903, URL: http://dx.doi.org/10.1080/00222933.2024.2395903
BE5787BEAB010443FE5AFB0D658E79A4.text	BE5787BEAB010443FE5AFB0D658E79A4.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Mecistocephalus lohmanderi Verhoeff 1939	<html xmlns:mods="http://www.loc.gov/mods/v3">
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            <p> Mecistocephalus lohmanderi Verhoeff, 1939</p>
            <p>(Figures 8, 9)</p>
            <p>Material examined</p>
            <p> 1 ♀, NHMUK015626353, Diego Garcia, Plantation Gate, 7.412°S, 72.453°E, leaf litter, 03 July 2022, leg. W. Rabitsch; 1 ♂, NHMUK015619671, Diego Garcia, below Barton Point, 7.277°S, 72.469°E, leaf litter, 24 June 2022, leg. W. Rabitsch.</p>
            <p>Summary description</p>
            <p>Habitus. Body length 15 mm (♂), 31 mm (♀). Both with 49 leg-bearing segments. Bright yellow with cephalic shield, antennae and forcipular coxosternite dark red. No dark pigmentation of trunk.</p>
            <p>Cephalic plate and antennae (Figure 8 (A)). Cephalic plate sub-rectangular, 1.8 times longer than wide. Setae only present in the posterior half of the buccae. Spiculum evident, not reduced in size (Figure 8 (B,C)). Antenna 4.3 times longer than width of cephalic plate.</p>
            <p>Clypeus and labrum (Figure 8 (B,C)). Areolate part of the clypeus 1.3–1.5 times longer than the plagulae; armed with 3 + 3 postantennal and two medial setae. Finely areolate area or insulae absent. Labrum with wide medial part clearly separating the lateral parts. Internal margin of anterior ala longer than internal margin of posterior ala.</p>
            <p>Forcipular coxosternite (Figure 8 (D)). Internal margin of trochanteroprefemur as long as basal width. Trochanteroprefemur armed with two sclerotised tubercles, the distal more prominent. Femoroid and tibia each armed with one sclerotised tubercle. Basal tubercle of tarsungulum reduced in size. Forcipular cerri absent.</p>
            <p>Trunk (Figure 9 (E)). Anterior metasternites with poorly sclerotised mid-longitudinal sulcus. Anterior margins bifurcating at obtuse angle.</p>
            <p>Ultimate leg-bearing and postpedal segments (Figure 9 (A–D)). Posterior margin of ultimate metatergite variably rounded or straight (Figure 9 (B,C)). Ultimate metasternite sub-triangular to trapezoidal; 1.1 times wider than long. Posterior pillow-like process present (Figure 9 (A)). Coxopleurae with ca. 15–20 coxal organs opening on the entire ventrolateral surface. Telopodal articles elongate, more densely setose on the ventral side in both the male and female. Gonopods fully developed, conspicuously articulated in male (Figure 9 (D)).</p>
            <p>COI barcode. GenBank accession number PQ165825.</p>
            <p> Remarks. The geographically closest sampled localities to the Chagos Archipelago include the Maldives (Inguiradhoo).  Mecistocephalus specimens in the NHM collection, labelled as  Mecistocephalus insularis Lucas, 1863 , collected during the 1899– 1900 Maldive-Laccadive expedition (Gardiner 1901 –06), show a great degree of morphological similarity to the  Mecistocephalus present on Diego Garcia. Further examination of diagnostic characters revealed that these are consistent with  Mecistocephalus lohmanderi , originally described from Mauritius (Verhoeff 1939), and recently revised based on material from the Seychelles and maintained as a valid species (Bonato and Minelli 2010). </p>
            <p> Mecistocephalus insularis , a problematic and inadequately described taxon, has in past literature been used indiscriminately for  Mecistocephalus specimens with 49 leg-bearing segments collected around the Indian Ocean. This species is in urgent need of revision to adequately assess the diversity of African and Southeast Asian members of the genus. In the absence of recently collected specimens from the type locality and a redescription of the type material, questions concerning the morphological variability of  Mecistocephalus species as well as their potential for dispersal and introduction to new sites cannot be adequately addressed. </p>
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	https://treatment.plazi.org/id/BE5787BEAB010443FE5AFB0D658E79A4	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Plazi	Popovici, George;Edgecombe, Gregory D.;Hall, Daniel W.	Popovici, George, Edgecombe, Gregory D., Hall, Daniel W. (2024): New Chilopoda from the Chagos Archipelago. Journal of Natural History 58 (41 - 44): 1885-1915, DOI: 10.1080/00222933.2024.2395903, URL: http://dx.doi.org/10.1080/00222933.2024.2395903
BE5787BEAB1C0446FEAEFA4B65A47DC4.text	BE5787BEAB1C0446FEAEFA4B65A47DC4.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Nycternyssa dekania subsp. dekania (Verhoeff 1938)	<html xmlns:mods="http://www.loc.gov/mods/v3">
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            <p> Nycternyssa dekania dekania (Verhoeff, 1938)</p>
            <p>(Figure 10)</p>
            <p>Material examined</p>
            <p>  1 ♀, 81 leg-bearing segments, NHMUK015619678, Chagos Archipelago,  Diego Garcia Island , Minni Minni (beach), 14 May 1971, leg. A.M. Hutson.;   1 ♂, 73 leg-bearing segments, NHMUK015619676,  Chagos Archipelago , Diego Garcia Island, Eclipse Point, 04 April 1971, leg. A.M. Hutson;   1 ♂, 75 leg-bearing segments, NHMUK 1951.12.11.100, Maldives: Kenurus,  Maldive-Laccadive Expedition 1899–1900  . </p>
            <p>Remarks</p>
            <p> Assignment to  Nycternyssa Crabill, 1959 , rather than  Orphnaeus Meinert, 1870 , is based on the unipartite female gonopods (Figure 10 (D)). The Chagos specimens are determined as  N. dekania , originally described from a female from Trivandrum (Thiruvanathapum), Kerala, India, based on the posteriorly tapering, trapezoidal sternite of the ultimate leg-bearing segment (Figure 10 (A)) and the medial contact between the female gonopods (Figure 10 (A,C); Verhoeff 1942, fig. 9). They are more precisely the nominate subspecies, rather than  N. dekania singaporensis (Verhoeff, 1937) , based on sternal pore areas being limited to a posterior pair only on the penultimate leg-bearing segment (Figure 10 (A,B)). Short setae clustered immediately anterior to the pore areas are observed in the Chagos specimens (Figure 10 (B)) as well as the holotype from India (Verhoeff 1938, fig. 61), and are similarly developed in both sexes. Dense clusters of short setae are also observed adjacent to pore fields on the coxae (Figure 10 (B)). Although the holotype female of  N. dekania dekania has 77 segments, 81 segments are recorded in a female of  N. dekania singaporensis , such that the Chagos female is within the known range for the species. We assign a male from the Maldives with 75 leg-bearing segments to  N. dekania dekania (collection data cited above), agreeing in all taxonomic characters shared by the Chagos specimens and the type. The subspecies is thus widespread in the Indian Ocean region, its range including at least south-western India, the Maldives and the Chagos Archipelago. It also occurs in the Aldabra atoll in the western Seychelles, for which a full description is in progress by the authors. </p>
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	https://treatment.plazi.org/id/BE5787BEAB1C0446FEAEFA4B65A47DC4	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Plazi	Popovici, George;Edgecombe, Gregory D.;Hall, Daniel W.	Popovici, George, Edgecombe, Gregory D., Hall, Daniel W. (2024): New Chilopoda from the Chagos Archipelago. Journal of Natural History 58 (41 - 44): 1885-1915, DOI: 10.1080/00222933.2024.2395903, URL: http://dx.doi.org/10.1080/00222933.2024.2395903
