A New Subspecies of the Fruit-eating Bat, Sturnira ludovici, From Western MexicoJones, J. Knox
Science
A New Subspecies of the Fruit-eating Bat, Sturnira ludovici, From Western Mexico
Jones, J. Knox
Bats -- Mexico; Mammals -- Mexico; Sturnira ludovici
Sierra Negra, Sierra de Perija, Colombia (after Hershkovitz, 1949)
Minimum (2 Male,
2 Female) | 44.2 | 22.9 | 13.2 | | 6.2 | 6.5 |
Maximum | 46.0 | 24.2 | 13.8 | | 6.7 | 7.0 |
--------------------------+------+------+------+------+-----+-----+-----
near Gualea, Ecuador
67328 AMNH, (Male)[2] | | 25.0 | 14.0 | 12.4 | 6.3 | | 8.4
67329 AMNH, (Male) | 45.3 | 24.9 | 13.9 | 12.2 | 6.1 | 7.0 | 8.4
--------------------------+------+------+------+------+-----+-----+-----
[1] Holotype of _Sturnira hondurensis_ (measurements after
Goodwin, 1940:2).
[2] Holotype of _Sturnira ludovici ludovici_ (measurements
after Anthony, 1924:9).
Other specimens of _S. l. occidentalis_ were taken under the following
circumstances: 17 km. SE Talpa, Jalisco (night of November 3-4,
1962)--nine individuals netted over the Rio Mascota in "pine-oak zone"
along with representatives of _S. l. parvidens_, _Artibeus toltecus_,
_Chiroderma salvini_, _Eptesicus fuscus miradorensis_, _Lasiurus
borealis teliotis_, and _Rhogeessa gracilis_; 20 km. WNW Purificacion,
Jalisco (night of November 20-21, 1962)--two specimens captured in a
mist net stretched beneath branches of a fig tree at the edge of the
Rio Jicote in which _Glossophaga commissarisi_, _S. l. parvidens_,
_Artibeus turpis nanus_, and _Artibeus lituratus palmarum_ also were
taken; 4 km. N Durazno, Jalisco (nights of November 21-22 and 22-23,
1961)--11 specimens, of which 10 were females, netted in company with
_G. s. leachii_, _S. l. parvidens_, _A. j. jamaicensis_, _A. toltecus_,
_Centurio senex_, and _L. b. teliotis_ over a stream in a small canyon
that supported "fairly dense stands of very tall deciduous trees." Five
of the 10 females from 4 km. N Durazno were pregnant; each contained a
single embryo. Crown-rump length of the embryos averaged 26.8 (24-30)
mm. No gross reproductive activity was evident in other females of _S.
l. occidentalis_ collected.
[Illustration: FIG. 1. Distribution of _Sturnira ludovici_ in North
America. 1. _S. l. ludovici._
2. _S. l. occidentalis._]
_Specimens examined._--A total of 26, arranged from north to south, as
follows: DURANGO: 1/2 mi. W Revolcaderos, 6600 ft., 2 (MSU); 6 mi. S
Pueblo Nuevo, 3000 ft., 1 (MSU). SINALOA: Plumosas, 2500 ft., 1 (the
holotype). JALISCO: 17 km. SE Talpa, 5200 ft., 9; 20 km. WNW
Purificacion, 1400 ft., 2; 4 km. N. Durazno, 11.
Specimens of _S. l. ludovici_ used in comparisons included a paratype
(AMNH) from near Gualea, Ecuador, a specimen from Mindo, Ecuador, two
specimens from La Cruz Grande, La Paz, Honduras (AMNH--paratypes of
"_Sturnira hondurensis_"), and the following from Mexico: 10 mi. SW
Villa Juarez, 4850 ft., Puebla, 2; 11 km. W Quiroga, about 7000 ft.,
Michoacan, 2 (UMMZ); and Vista Hermosa, 1500 meters, Oaxaca, 5.
Public-domain text, read in full here on John Shaqi.
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