Small mammals from the Seasonally Dry Tropical Forests of the Huallaga river basin and new records for San Martín department, Peru
Author
Ruelas, Dennisse
Author
Pacheco, Victor
text
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2021
2021-06-07
17
3
877
894
http://dx.doi.org/10.15560/17.3.877
journal article
10.15560/17.3.877
1809-127X
Peropteryx macrotis
(Wagner, 1843)
Figure 4A
Material examined.
PERU
•
Ojos
de Agua
private conservation area,
Picota Province
;
06°50′47″S
,
076°21′ 02″W
;
341 m
elevation;
11.IX.2015
;
D. Ruelas
leg.; mist nets;
1 ♀
(
MUSM 43764
) and
2 ♂
(
MUSM 43765
,
43766
); all adults
.
Identification.
The following combination of morphological characters allows us to recognize this species: elongated and naked rostrum and chin, dorsal fur brown or reddish, ventral fur lighter in color; ears not
Figure 4.
Volant mammals recorded at the Seasonally Dry Tropical Forests of the Huallaga river basin.
A.
Peropteryx macrotis
.
B.
Saccopteryx bilineata
.
C.
Artibeus anderseni
.
D.
Artibeus lituratus
.
E.
Artibeus obscurus
.
F
.
Artibeus planirostris
.
G.
Carollia benkeithi
.
H.
Carollia brevicauda
.
I.
Carollia perspicillata
.
J.
Chiroderma villosum
.
K.
Glossophaga soricina
.
L.
Micronycteris megalotis
.
M
.
Lonchorhina aurita
.
N.
Platyrrhinus incarum
.
O.
Sturnira giannae
.
P.
Uroderma bilobatum
.
Q.
Vampyriscus bidens
.
R.
Pteronotus fuscus
.
S.
Myotis keaysi
.
T.
Myotis simus
.
Table 3.
Sex, age, weight (in grams), and external and craniodental measurements (in millimeters) of
Marmosa constantiae
from the SDTF of the Huallaga river basin, San Martín. Age class follows
Voss et al. (2001)
.
| Measurements |
MUSM 43888 |
MUSM 43889 |
MUSM 43890 |
MUSM 43891 |
| Sex |
Female |
Male |
Female |
Male |
| Age |
Adult |
Adult |
Adult |
Adult |
| W |
68.00 |
61.00 |
61.00 |
110.00 |
| TL |
374.00 |
362.00 |
350.00 |
376.00 |
| T |
222.00 |
205.00 |
212.00 |
216.00 |
| F |
25.00 |
25.00 |
24.00 |
25.00 |
| E |
25.00 |
23.00 |
25.00 |
— |
| CBL |
39.47 |
38.60 |
38.59 |
42.56 |
| NL |
18.37 |
17.35 |
17.20 |
19.29 |
| NB |
5.32 |
5.78 |
5.02 |
6.83 |
| LIB |
7.05 |
6.84 |
6.64 |
7.55 |
| LPB |
6.98 |
7.42 |
7.18 |
7.74 |
| ZB |
22.79 |
22.13 |
20.94 |
23.58 |
| PL |
22.17 |
22.01 |
21.91 |
23.96 |
| PB |
12.54 |
12.48 |
12.31 |
13.45 |
| MTR |
16.22 |
16.25 |
16.63 |
17.53 |
| LM |
8.25 |
8.47 |
8.78 |
8.64 |
| M1-M3 |
6.89 |
7.12 |
7.45 |
7.08 |
| WM3 |
2.53 |
2.88 |
2.85 |
2.98 |
interconnected; wings terminate at an attachment point on each ankle; glandular wing sac on the upper edge of the antebrachial membrane, and unattached ears; tail almost one-third of the length of body and perforating the uropatagium; small skull with a sharp angle between an inflated rostrum and braincase; postorbital process long, slender; basisphenoid pit undivided; upper and lower incisors short and simple, lower incisors trifid; first upper premolar broad, not filiform, with an accessory cusp; dental formula 1/3, 1/1, 2/2, 3/3 = 32. External and cra- niodental measurements are in
Table 2
. Morphological characters and measurements are within the variation range for the species following Goodwin and Greenhall (1961),
Yee (2000)
, and
MUSM
collection specimens (
Ucayali
Department:
MUSM
44151–44154).
Remarks.
This species is known to
Mexico
,
Grenada
, Central America,
Colombia
,
Venezuela
,
Trinidad and Tobago
, the Guianas,
Ecuador
,
Peru
,
Brazil
,
Bolivia
, and
Paraguay
(Hood and Gardner 2008). In
Peru
,
P. macrotis
occurs in the Selva Baja and Sabana de Palmera ecoregions (
Pacheco et al. 2009
). This record is the first for the
San Martín
Department; it is
430 km
north of the near- est record, at San Juan,
Pasco
department (
Tuttle 1970
; Hood and Gardner 2008).