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First Record of Micrurus Diana Roze, 1983 (Serpentes: Elapidae) For Check List 9(6): 1556–1560, 2013 © 2013 Check List and Authors Chec List ISSN 1809-127X (available at www.checklist.org.br) Journal of species lists and distribution N Micrurus diana ISTRIBUTIO First record of Roze, 1983 (Serpentes: D Elapidae) for Brazil and extension of its distribution in 1* RAPHIC G Bolivia, 3 with notes on morphological 2 variation 2 EO Matheus Godoy Pires , Darlan Tavares Feitosa , Ana Lúcia da Costa Prudente and Nelson Jorge da G N O Silva Jr. 1 Museu de Zoologia da Universidade de São Paulo. Avenida Nazaré 481. CEP 04263-000. São Paulo, SP, Brazil. OTES N 2 Museu Paraense Emílio Goeldi, Laboratório de Herpetologia. Avenida Perimetral 1901, CP 399. CEP 66040-170. Belém, PA, Brazil. 3 Pontifícia Universidade Cató[email protected] de Goiás, Programa de Pós-Graduação em Ciências Ambientais e Saúde. Rua 232 n° 128, 3° andar, Área V, Setor Universitário. CEP 74605-140. Goiânia, GO, Brazil. * Corresponding author. E-mail: Abstract: Micrurus diana is a rare coral snake species poorly represented in museum collections. Based on two recently identified specimens, we report its occurrence for the first time in Brazil andM. for diana the Bolivian Yungas, substantially extending its known range. In addition, we also extend the limits of its known morphological variation, based on examination of 11 specimens. Our findings revealed the need of a better characterization for , and the need of preservation efforts for this species and its habitat in Brazil. Micrurus diana Roze, 1983 was described as a subspecies of M. frontalis (Duméril, Bibron and Duméril, Paulo, Brazil (IBSP); Field Museum of the Natural History, Chicago, United States (FMNH); Museu de Zoologia da 1854) based on five specimens from “vicinity of Santiago” Universidade de São Paulo, São Paulo, Brazil (MZUSP); (Serranía de Santiago – 18°15’57”Micrurus S, 59°43’34” diana wasW, Museu de Historia Natural Noel Kempff Mercado, Santa 700 m above sea level [asl]), province of Chiquiticos, Cruz de la Sierra, Bolivia (NMKR); Senckenberg Museum departamento de Santa Cruz, Bolivia. of Frankfurt, Germany (SMF); and Zoologisches Museum originally diagnosed by the fusion of the anteriorM. frontalis black Hamburg, Germany (ZMH). The description of the cephalic ring of the first body triad to the black cephalic cap that scales and color pattern followed Roze (1996), Silva Jr. and covers the parietals and distinguished from Sites (1999), and Savage andMicrurus Slowinski diana (1992). The list of by having immaculate red rings. Later, the same author specimens examined is included in Appendix I. Our data elevated it to full species status (Roze 1994) and repeats recordinclude for two Micrurus new records diana of . Micrurusthe same diagnosis,frontalis based on the same data (Roze, 1996). Overall, this publication reports the first known Silva Jr. and Sites (1999) revised the taxonomyM. diana ofbased the in Brazil, extensively increases complex and presented additional its known distribution range in Bolivia, and contributes data on the morphological variation of to provideMZUSP a17475 better (Figureunderstanding 1): of the morphological on a larger series than the previous works (Roze 1983;et variation of this species based on a larger series. al1994; 1996), providing new data on its distribution and Adult male; snout-vent variation, and improving the taxon diagnosis. Harvey length (SVL) 1000.00 mm; tail length (TL) 52.00 mm; of. M.(2003) diana revised the Bolivian coral snakes, summarized head length (HL) 29.14 mm; 11 body triads and 1 2/3 the morphological variation found in fourM. dianaspecimens triads on the tail; 214 ventral scales; and 21 subcaudal (NMKR 219,M. brasiliensisAMNH 120600, FMNH 195864 scales (Figures 1a and 1b). Dorsally, the head is black and FMNH 195899), and suggested that may (including rostral, internasals, prefrontals, frontal, and be synonymous with Roze, 1967, despite supraoculars) with white bordered scales; parietalsvs. their far allopatricM. diana distribution and M. brasiliensis (more than 1000 km). completely black (Figure 1c), anterior ndwhite supralabials ring of theare Campbell and Lamar (2004) compiled the available first triad narrower than the othersst rd(1 and dorsal 4 supralabials, scale 2 – information for keeping them 4 dorsal scales). Laterally, the 1 and 2 th as distinct species, although Gutberlet and Harvey (2004) white with black posterior border; 3 th th insisted to hypothesize the conspecificity between these nasal and preoculars black with white borders; 5 and 6 taxa on their conjectural “consensus phylogeny of coral supralabials, inferior postocular and temporals red withth snakes”. a brownish posterior border; superior postocular and 7 In order to confirm M.the diana identification of the specimens supralabial red with a black border (Figure 1d). Ventrally,nd mentioned in this paper, we used as comparative material the mental and first pair of infralabials are red with small eleven specimens of , including the complete irregularth black markings on the posterior borders; 2 type-series, housed in the following herpetological to 5 thpair of infralabials and anterior genials completely collections: American Museum of the Natural History, red; 6 pair of infralabials and posterior genials with the New York, United States (AMNH); Instituto Butantan, São posterior black tips as part of the anterior black ring1556 of Pires et al. | First record of Micrurus diana for Brazil th the first body triad, that includes the 7 infralabials, gular white and red rings of the same length and both a little scales and the first preventrals (Figure 1e). th longer than the black rings, keeping the characteristics of This specimen was collected on May 19 2008, within immaculate red rings and black tipped white scales. the drainage basin of the Parecis hydroelectric power We identifiedElaps thismarcgravii specimen during a visit to the plant reservoir (PCH Parecis), in the municipality of Zoologisches Museum Hamburg (Germany), previously Sapezal (13°4’30.21” S, 58°58’35.29” W, 345 m asl; Figure identifiedth as . It was collected by V. Rolle 2), western Mato Grosso, in the Juruena river basin, about on 28 May, 1897, in Charopampa, departamento de La 750 km north from the type-locality and 260 km northeast Paz, northwestern Bolivia (15°39’0.00” S, 67°55’0.00” fromZMH-R the nearest2704a (Figurerecord 3(NMKR 219 of Serranía de W, 749 m asl; Figure 2). This record expands the known Huanchaca, Santa Cruz, Bolivia). distribution of the species about 850 km west-northeast ): Adult male: SVL 760.0 mm; from the type-locality and 550 km from the nearest known TL 62.4 mm; HL 20.5 mm; 12 body triads and 1 2/3 on record (IBSP 31342) from Jardín Botánico, Santa Cruz de the tail; 217 ventral scales; 27 subcaudal scales (Figure La Sierra. 3a, b). Dorsally, it has white bordered black cephalic scales MicrurusThe sample diana of 11 specimens analyzed in this work (including rostral, internasals, frontal, and supraoculars); (Appendix 1) not only expands the known distributionM. diana can of prefrontals irregularly marked with black; parietals , but also expands the variation range of black with red lateral and medial borders (Figure 3c). some diagnostic͞x characters♂ for the species.͞x ♀ 1Anterior ndwhite ring of the first triad is narrower than have 214 (MZUSP͞x 17475) to 237 (IBSP 31342, SMF 86637) thest others (2.5 dorsal scales).rd Laterally, it presents the ventral scales [ = 223.64͞x ( : 214 –♂ 223, = 217.67)͞x ( : and 2 supralabials, nasal and preoculars white with (223♀ – 237, ͞x = 230.8)]; 18 (FMNH 195899) to 27 (ZMH-R black posterior borders;th 3 supralabials black with whiteth 2704a) subcaudal scales [ = 22.09 ( : 21 – 27, ͞x = 23.17) anteriorth border and 4 supralabials completely black; 5 (♂: 18 – 23,͞x = 20.8)];♀ 9 (FMNH 195886, 195889, 195889,♂ and 6 supralabials and temporals red with black posterior AMNH 120600) to♀ 15 (SMF 86637) body triads [ = 10.55 border (Figure 3d); inferiorth postocular completely black; : 9 – 12, = 10) ( : 9 – 15)] and 1 to 1 2/3 tail triads [( : superior postocular and 7 supralabials rdred with pair black of 1 1/3 – 1 2/3) ( : 1 – 1 2/3)]. Red rings of the body can borders. Ventrally, the mental is black and the thfirst pair present all range between 3 (ZMH-R 2704a, SMF 86637) of infralabials red with black borders; 3 to 5 th to 13 scales in length (often with immaculate scales, but infralabials and first pair of genials completely red; 6 some degree of black-tipping or irregular black scales can of infralabials and second pair of genials red with posterior be present); white rings present all range between 2 (SMF tip covered by the black colorationth of the first ring of the 86637) to 5 (FMNH 195889) scales in length; the reduced first triad, including the 7 pair of infralabials, gulars, and anterior black ring of the first triad (fused with parietals) preventral scales (Figure 3e). This specimen presents often have 2 scales in length (3 scales in ZMH-R 2704a); Figure 1. Micrurus diana General view of (MZUSP 17475) (SVL: 1000 mm; TL: 52 mm): a) dorsal view of body; b) ventral view of body; c) dorsal view of head; d) lateral view of head; e) ventral view of head (Photos: Paola M. Sánchez Martínez). 1557 Pires et al. | First record of Micrurus diana for Brazil rd and M. diana 4 vs M. diana nasalsth divided by nostril opening; 7/7 supralabials, 3 can be differentiated fromM. surinamensis by its tricolor monadal in contact with the orbit; one preocular;st th 2 postoculars; pattern ( . tricolor triadal pattern in ) (Savageth temporals 1+1; 7/7 infralabials (1 to 4͞x in contact with and Slowinski 1992); having only the 4 the anterior genials); anal scale divided. Snout-vent͞x length supralabials scales in contact withvs the orbit, black middle varying from 573–1000 mm in males ( = 804.7; SD = ring of the triads wider thanrd and the 4 external ones and black (157.6;͞x n = 7) and 484–925 mm in females ( = 673.5; SD = bordered red cephalic scales ( th.
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