Copelatus Erichson from the Dominican Republic, with the description of a new species, comments on elytral striation and faunistic notes on Antillean species (Coleoptera: Dytiscidae: Copelatinae)
Author
Manuel, Michaël
Author
Deler-Hernández, Albert
Author
Megna, Yoandri S.
Author
Hájek, Jiří
text
Zootaxa
2018
2018-03-22
4399
3
371
385
journal article
30438
10.11646/zootaxa.4399.3.7
bf10fc3c-355f-4e4c-a8a9-8283c103785d
1175-5326
1206720
3A3D7EB9-3C4B-44EA-8CA8-037361101204
Copelatus posticatus
(Fabricius, 1801)
(
Fig. 15
)
Published records (Hispaniola).
Blackwelder (1944: 78)
,
Peck (2005: 44)
,
Perez-Gelabert (2008: 77)
(all without precise locality).
Material
examined.
DOMINICAN REPUBLIC
.
8 spec., (
NMPC
),
Barahona
, MN
Domingo Fuerte
"
Cachote
",
18°5.21'N
71°11.46'W
,
1205 m
,
14.viii.2014
,
M. Fikáček
leg. 2 spec
.
(
NMPC
),
Barahona
,
2.6 km
SE of
Polo
,
18°4.82'N
71°15.53'W
,
570 m
,
16.viii.2014
,
A. Deler-Hernández
,
M. Fikáček
,
M. Gimmel
leg. 8 spec
.
(
NMPC
),
Azua
,
12.3 km
NW of
Azua
, crossing of
Río Jura
,
18°32.54'N
70°48.91'W
,
292 m
,
7.ix.2014
, A. Deler-
Hernández, M. Fikáček, M. Gimmel
leg. 11 spec
.
(
NMPC
)
La Vega
,
Res. Ebano Verde
(around admin. centre),
19°1.96'N
70°32.59'W
,
1070 m
,
24.viii.2014
,
A. Deler-Hernández
,
M. Fikáček
,
M. Gimmel
leg. 4 spec
.
(
NMPC
),
La Vega
at S margin of
Manabao
,
19°3.85'N
70°47.61'W
,
912 m
,
27.viii.2014
,
A. Deler-Hernández
,
M. Fikáček
,
M. Gimmel
leg. 6 spec
.
(
NMPC
), M.T.
Sánchez
, MN
Bosque Húmedo Río
San Juan
,
19°40.46'N
70°0.66'W
,
10m
,
1.ix.2014
,
A. Deler-Hernández
,
M. Fikáček
,
M. Gimmel
leg. 12 spec
.
(
NMPC
),
Puerto Plata
, MN
Salto Damajagua
,
2.3 km
SE of
Imbert
,
19°44.28'N
70°48.72'W
,
188 m
,
31.viii.2014
,
A. Deler-Hernández
,
M. Fikáček
,
M. Gimmel
leg. 8 spec
.
(
NMPC
),
Samaná
, MN
Salto El Limón
2.8 km
SSW of
El Limón
,
19°16.56'S
69°26.47'W
,
160 m
,
2.ix.2014
,
A. Deler-Hernández
,
M. Fikáček
,
M. Gimmel
leg. 2 spec
.
(
NMPC
)
Puerto Plata
, MN
Isabel de Torres
above
Pue. Plata
,
19°45.92'N
70°42.71'W
,
710 m
,
31.viii.2014
,
A. Deler-Hernández
,
M. Fikáček
,
M. Gimmel
leg. 8 spec
.
(
NMPC
),
Duarte
,
Río Nagua
12.3 km
NW of
Castillo
,
19°18.76'N
70°4.31'W
,
122 m
,
4.ix.2014
,
A. Deler-Hernández
,
M. Fikáček
,
M. Gimmel
leg.
Diagnosis
. See
Megna & Epler (2012)
.
Variability.
In specimens from
the Dominican
Republic, strioles on the pronotum are less deeply impressed than in those from
Cuba
. Specimens from
Cuba
and from
the Dominican
Republic tend to display a more contrasted dorsal colour pattern than those from
Guadeloupe
(testaceous areas along pronotum lateral margins, elytral base, lateral margins and towards elytral apex, more extended and better delimited), with some variability in all localities.
Collection circumstances.
Copelatus posticatus
is the most frequently collected species of the genus in
the Dominican
Republic. It was found in lentic (permanent and temporary) habitats, where it was predominantly associated with turbid waters with muddy bottom.
Distribution
. Widespread Neotropical species, from
Mexico
to
Brazil
. In the Antilles, recorded from
Barbados
,
Cuba
,
Dominica
,
Dominican Republic
,
Grenada
,
Guadeloupe
,
Montserrat
,
Puerto Rico
,
Saint Lucia
,
Saint Vincent
, and
Tobago
.