A review of the genus Brassolis Fabricius in Colombia and Ecuador with description of two new taxa (Lepidoptera, Nymphalidae)
Author
Bristow, C. Roger
text
Zootaxa
2008
2008-06-20
1806
1
47
58
https://biotaxa.org/Zootaxa/article/view/zootaxa.1806.1.3
journal article
10.11646/zootaxa.1806.1.3
11755334
5125051
Brassolis granadensis
Stichel, 1902
(
Plate 2
, figs. 5–8;
Plate 3
figs. 1–3)
In the original description of
B. granadensis
, the type series consisted of
4 males
and
1 female
from ‘Colombien (?Muzo)’ and
3 males
and
2 females
from
Ecuador
(Balzapamba) caught by Haensch. In the Rothschild Collection in the BMNH there is a male with a round red ‘Type’ label, a rectangular red ‘Typus’ label, a white, rectangular, printed label ‘
Colombia
, R.
Magdalena
s e.c. Stichel’, and a handwritten ‘
Br. granadensis
Stich.
’. This, which corresponds with the figured specimen, has been designated
lectotype
. At first sight, the Ecuadorian specimens of the
granadensis
type series do not appear to be in the BMNH. However, within the series of
Brassolis sophorae ardens
in the Rothschild Collection are
2 males
, similar to
lectotype
granadensis
, and
1 female
(
Plate 2
, figs.13&14) from Balzapamba bearing Stichel’s characteristic red ‘typus’ label. As no mention of Balzapamba was made in the original description of
ardens
, it would appear that these
2 males
and
1 female
are not part of the type series of
ardens
, but
granadensis
. I believe that these
three specimens
, which match other specimens from west of the Andes in
Ecuador
, and differ significantly from
ardens
which occurs east of the Andes, are some of the Ecuadorian types of
granadensis
. However, although the Colombian and Ecuadorian specimens are similar, there are some consistent small, but significant, differences and I believe that there is a mixed type series and that two taxa are involved:
granadensis
and
isthmia
wallengreni
ssp. nov. As
granadensis
is partially sympatric in the Magdalena Valley with an undescribed
isthmia
taxon, herein named
daisye
ssp. nov., I am re-instating
granadensis
as a species.
B. granadensis
is most readily identified by the female. Where the forewing band approaches the costal margin, the outer margin of the band is elongated into a flame-like structure (most evident from below—see
Plate 3
, fig. 1). In the male, the forewing band extends a short distance (
2–3 mm
) beyond the distal margin of the cell (
Plate 3
, fig. 3), a feature that it shares with nominate
isthmia
and
i. daisye,
but not with
i. wallengreni
) (
Plate 3
, fig. 12). Additionally, the forewing band in space Cu
1
-Cu
2
extends right up to the cell (
Plate 3
, fig. 12), a character that it shares with
wallengreni
, but not with nominate
isthmia
or
i. daisye
. The forewing band is very slightly wider than any of the subspecies of
isthmia
.
Plausible locality data for
B. granadensis
is only known from a limited area (male, Guamoco in
AMNH
; female, Payande,
20/03/1974
, Steinhauser in
FLMNH
, a male, Otanche, 00/07/
1983 in
MNHN
, and
2 males
Otanche 00/11/1988 and 00/08/1986, Urbina in
JFL
) between Latitude 4 and
6°N
in the central
Magdalena
Valley. A
male from San José del
Guaviare
in the
JFL
Collection is presumably mislabelled
.