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northeastern Brazil

Joao Pessoa, PB, Brazil,

Crist6vao, SE, Brazil.

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* Corresponding author. E-mail: parocha2@yahoo.com.br

The genus Uroderma Peters, 1866 includes two species
of medium-sized bats, Uroderma bilobatum Peters, 1866
and Uroderma magnirostrum Davis, 1968, both of which
occur in Brazil (Simmons 2005; Gardner 2007; Peracchi et
al. 2011). Uroderma magnirostrum has been recorded in
Bolivia, Colombia, Ecuador, Guyana, Peru, and Venezuela
(Gardner 2007). In Brazil, the species has been recorded
in the Amazon basin (Martins et al. 2006; Bernard and
Fenton 2002; Bernard et al. 2011), Pantanal (Alho et al.
2011), Cerrado (Pine et al. 1970; Marinho-Filho 1996),
Atlantic Forest (Peracchi and Albuquerque 1993; Nogueira
et al. 2003; Tavares et al. 2007), and Caatinga (Mares et al.
1981; Willig and Mares 1989).

Despite its broad geographic distribution and the
variety of habitats occupied by the species, U. magnirostrum
appears to be relatively rare locally (Willig 1983; Nogueira
etal. 2003). In the Brazilian northeast, U. magnirostrum has
been recorded at only three localities (Mares et al. 1981)
(Figure 1). This is the first record of U. magnirostrum for the
Brazilian state of Sergipe, and represents an approximate
220 km extension of its distribution to the east.

Two specimens of U. magnirostrum were captured
during a survey of the bat fauna of Serra da Guia, in Poco
Redondo, Sergipe (09°58’ S, 37°52’ W), between May
and July, 2009 (Figure 1). The specimens were captured
in mist-nets (100 x 2.5m) in an area of arboreal caatinga
(“caatinga alta” of Mares et al. 1981: p 89), located at the
foothills of the Serra da Guia. The study area is covered by
this vegetation - dominated by arboreal cacti and trees of
the Leguminosae and Euphorbiaceae families - up to an
altitude of 650 ma.s.]. The specimens collected are an adult
male (UFPB 6107) and an adult female (UFPB 6106), both
were fixed in 10% formalin, preserved in 70% ethanol,
with subsequent extraction of the skull, and deposited
in the Zoological Collections of the Federal University of
Paraiba in Joao Pessoa.

The genus Uroderma can be distinguished from all
other stenodermatines by the parallel and markedly bifid

Check List | Volume 7 | Issue 6 | 2011

Chek List

Journal of species lists and distribution

Uroderma magnirostrum Davis, 1968 (Chiroptera:
Phyllostomidae): First record from the state of Sergipe,

Patricio A. da Rocha", José Anderson Feijé 1, Juan Ruiz-Esparza’ and Stephen F. Ferrari*

1 Programa de Pés-Graduacao em Zoologia, Universidade Federal da Paraiba, Campus I, Departamento de Sistematica e Ecologia. CEP 58059-900.
2 Programa de Pés-Graduacado em Desenvolvimento e Meio Ambiente - PRODEMA, Universidade Federal de Sergipe. CEP 49100-000. Sado

3 Universidade Federal de Sergipe. Departamento de Biologia, CEP 49100-000. Sao Cristévao, SE, Brazil.

ABSTRACT: This study provides the first record of Uroderma magnirostrum Davis, 1968 from the state of Sergipe in
the Brazilian northeast, based on the capture of two specimens, one male and one female. The morphometric data and
morphological characters were consistent with those recorded for the species at other Brazilian sites. This record extends
the distributional range of the species within South America approximately 220 km eastwards.

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FIGURE 1. Records of Uroderma in the Brazilian Northeast (bold outline).
Biomes: dark gray = Atlantic Forest; medium gray = Cerrado; light gray
= Caatinga; white = Amazon. Black Circle = U. magnirostrum (1) Km
18, federal highway BR 316, 18 km south of Teresina, Piaui; (2) Exu,
Pernambuco; (3) Araripe-Apodi National Forest, 8 km south-southwest
of Crato, Ceara (Mares et al. 1981); Black Triangle = U. magnirostrum
(4) Serra da Guia, Poco Redondo, Sergipe (this study); Black Square =
U. bilobatum (5) Sao Cristévao, Sergipe (Rocha et al. 2010), (6) Ilhéus,
Bahia; (7) Una, Bahia; (8) Itapebi, Bahia (Faria et al. 2006).

upper internal incisors, and the contact between the four
lower incisors (Gardner 2007). Uroderma magnirostrum
can be differentiated from U. bilobatum by its heavy, deep

886

rostrum, and by the gradual, nearly straight slope of the
dorsal profile of the skull, from the crown to the tip of the
snout (Figure 2), and the marked lateral expansion of the
mesethmoid bone, which forms a shield-like structure as
seen in the frontal view (Figure 3). The facial stripes of
U. magnirostrum are also poorly developed or absent, and
the internal surface of the ear is unicolor, with no white or

Rocha et al. | First record of Uroderma magnirostrum from Sergipe, Brazil

yellowish edging (Davis 1968). All the external and cranial
characters of the two U. magnirostrum specimens collected
in the present study are in accordance with characters
described by previous authors (Davis, 1968; Nogueira et
al. 2003). Additionally, cranial measurements taken from
the specimens from Sergipe fall within the range recorded
for specimens collected in southeastern Brazil (Table 1).

2,00 mm

FIGURE 3. Frontal view of the skull of (A) Uroderma magnirostrum (specimen UFPB 6107) and (B) Uroderma bilobatum (specimen UFPB 5281). The

mesethmoid bone is indicated by the white arrow.

TABLE 1. Cranial measurements of the Uroderma magnirostrum specimens collected during the present study, at Serra da Guia, Sergipe, and at other
localities in southeastern Brazil. * Data from Nogueira et al. (2003) for specimens collected from Jafba and Timéteo (Minas Gerais), Linhares (Espirito

Santo), and Rio de Janeiro.

Present study Southeastern Brazil*

Parameter Male (UFPB 6107) Female(UFPB6106) Male(n=7) Female (n=5)
Greatest length of skull 22.84 25530 23.54 + 0.54 2299 #2 2:
Condylobasal length PANS 24.59 21.04 + 0.56 2062-2027
Mastoid breadth 10.75 10.92 10.94 + 0.20 10.92 + 0.22
Zygomatic breadth - Za Z, 12.72) 2:0:62 L267 O31
Breadth of braincase 9.23 9.66 9.54 + 0.34 9.41+0.25
Postorbital constriction 5.64 5.89 Sol 0.20 ee ope dean Od Ge
Palatal length 10.96 11.87 - -
Palatal breadth 4.68 4.62 - -
Breadth across upper canines 5.20 51, 571: 0.20 5.58 + 0.12
Breadth across upper molars 8.66 ACM. 8.94 + 0.35 9.11+0.14
Length of maxillary toothrow 7.26 8.30 8.89 + 0.23 8.87 + 0.22
Length of mandible 15.04 15.54 15.81 + 0.44 15.40 + 0.24
Height of ramus at the coronoid process 4.74 5.21 - -

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While U. magnirostrum and U. bilobatum are sympatric
throughout much of tropical South America (Davis 1968)
their distribution in the Brazilian northeast does not
appear to follow this pattern (Figure 1), as in this region
U. magnirostrum occurs exclusively in the semi-arid
Caatinga, and U. bilobatum in the coastal Atlantic Forest.
This scenario may reflect the distinct mosaic of dry and
wet climate and vegetation associated of the Brazilian
northeast in comparison with the rest of the geographic
occurrence of the genus, and may further indicate that U.
magnirostrum can tolerate arid conditions, i.e. the Caatinga
better than U. bilobatum. This condition is also suggested
by the non-overlapping distribution of U. bilobatum and U.
magnirostrum within Sergipe in two closely located sites
representative of the Atlantic Forest (Rocha et al. 2010)
and Caatinga biomes (this study) respectively.

ACKNOWLEDGMENTS: We are grateful to Jadson Luis da Silva Brito and
Carolina Nunes Liberal for technical assistance, to CAPES (PAR, JAF) and
FAPITEC (JMRA) for graduate fellowships and CNPq for a research grant
to SFF (process no. 302747/2008-7).

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Rocha et al. | First record of Uroderma magnirostrum from Sergipe, Brazil

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RECEIVED: August 2011

LAST REVISED: October 2011

ACCEPTED: October 2011

PUBLISHED ONLINE: December 2011
EDITORIAL RESPONSIBILITY: Valeria C. Tavares

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