The spiders of Québec: update, additions and corrections
Author
Paquin, Pierre
Author
Dupérré, Nadine
text
Zootaxa
2006
1133
1
37
journal article
10.5281/zenodo.273386
ab61bab7-9fbc-458a-955c-b16711726f4c
11755326
273386
Emblyna chitina
(
Chamberlin & Gertsch 1958
)
(
Figs 9–13
)
Material examined.—
Canada
:
Québec
: BaieJames (Jamésie): Villebois [
49°01’N
,
79°08’W
]
15.–22.vi.1997
, flight interception trap in mature Black spruce forest, 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie): Villebois [
49°01’N
,
79°08’W
]
22.– 29.vi.1997
, flight interception trap in mature Black spruce forest, 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie): Villebois [
49°01’N
,
79°08’W
]
06.–13.vii.1997
, flight interception trap in mature Black spruce forest, 2Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie): Villebois [
49°01’N
,
79°08’W
]
13.–20.vii.1997
, flight interception trap in mature Black spruce forest, 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie): Villebois [
49°01’N
,
79°08’W
]
03.–10.viii.1997
, flight interception trap in mature Black spruce forest, 2Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
86 km
N LaSarre [
49°29’N
,
79°17’W
]
20.–27.vii.1997
, flight interception trap in old growth Black spruce forest, 2Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
87 km
N LaSarre [
49°32’N
,
79°20’W
]
15.–22.vi.1997
, Malaise/flight interception trap (pan) in old growth Black spruce forest, 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
87 km
N LaSarre [
49°32’N
,
79°19’W
]
06.–15.vi.1997
, flight interception trap in old growth Black spruce forest, 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
87 km
N LaSarre [
49°32’N
,
79°19’W
]
15.–22.vi.1997
, flight interception trap in old growth Black spruce forest, 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
87 km
N LaSarre [
49°32’N
,
79°19’W
]
22.–29.vi.1997
, flight interception trap in old growth Black spruce forest, 2ɗ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
87 km
N LaSarre [
49°32’N
,
79°19’W
]
13.–20.vii.1997
, flight interception trap in old growth Black spruce forest, 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
87 km
N LaSarre [
49°32’N
,
79°20’W
]
04.viii.1997
, Berlese extraction from old growth Black spruce forest, 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
88 km
N LaSarre [
49°33’N
,
79°18’W
]
22.–29.vi.1997
, flight interception trap in mature Black spruce forest, 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
88 km
N LaSarre [
49°33’N
,
79°18’W
]
20.–27.vii.1997
, flight interception trap in mature Black spruce forest, 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
88 km
N LaSarre [
49°33’N
,
79°18’W
]
27.vii.–03.viii.1997
, flight interception trap in mature Black spruce forest, 2Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
89 km
N LaSarre [
49°33’N
,
78°59’W
]
06.–15.vi.1997
, flight interception trap in mature Black spruce forest, 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
89 km
N LaSarre [
49°33’N
,
78°59’W
]
29.vi.–06.vii.1997
, flight interception trap in mature Black spruce forest, 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
91 km
N LaSarre [
49°35’N
,
79°17’W
]
13.–20.vii.1997
, flight interception trap in old growth Black spruce forest, 2Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
95 km
N LaSarre [
49°36’N
,
79°18’W
]
13.–20.vii.1997
, flight interception trap in old growth Black spruce forest, 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
98 km
N LaSarre [
49°37’N
,
79°17’W
]
06.–15.vi.1997
, flight interception trap in mature Black spruce forest, 2ɗ, 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
98 km
N LaSarre [
49°37’N
,
79°17’W
]
15.–22.vi.1997
, flight interception trap in mature Black spruce forest, 1ɗ 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
98 km
N LaSarre [
49°37’N
,
79°17’W
]
22.–29.vi.1997
, flight interception trap in mature Black spruce forest, 1ɗ 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
122 km
NNE LaSarre [
49°48’N
,
78°54’W
]
15.–22.vi.1997
, flight interception trap in mature Black spruce forest, 2ɗ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
122 km
NNE LaSarre [
49°48’N
,
78°54’W
]
22.–29.vi.1997
, flight interception trap in mature Black spruce forest, 1ɗ 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
122 km
NNE LaSarre [
49°48’N
,
78°54’W
]
29.vi.–06.vii.1997
, flight interception trap in mature Black spruce forest, 2Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
122 km
NNE LaSarre [
49°48’N
,
78°54’W
]
13.–20.vii.1997
, flight interception trap in mature Black spruce forest, 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
122 km
NNE LaSarre [
49°48’N
,
78°54’W
]
20.–27.vii.1997
, flight interception trap in mature Black spruce forest, 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
122 km
NNE LaSarre [
49°48’N
,
78°54’W
]
27.vii.–03.viii.1997
, flight interception trap in mature Black spruce forest, 2Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
122 km
NNE LaSarre [
49°48’N
,
78°54’W
]
24.–31.viii.1997
, flight interception trap in mature Black spruce forest, 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
122 km
NNE LaSarre [
49°48’N
,
78°51’W
]
06.–15.vi.1997
, flight interception trap in old growth Black spruce forest, 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
122 km
NNE LaSarre [
49°48’N
,
78°51’W
]
15.–22.vi.1997
, flight interception trap in old growth Black spruce forest, 1ɗ, 2Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
122 km
NNE LaSarre [
49°48’N
,
78°51’W
]
22.–29.vi.1997
, flight interception trap in old growth Black spruce forest, 1ɗ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
122 km
NNE LaSarre [
49°48’N
,
78°51’W
]
27.vii.–03.viii.1997
, flight interception trap in old growth Black spruce forest, 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
122 km
NNE LaSarre [
49°48’N
,
78°51’W
]
20.–27.vii.1997
, flight interception trap in old growth Black spruce forest, 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
122 km
NNE LaSarre [
49°48’N
,
78°52’W
]
13.–20.vii.1997
, flight interception trap in regenerating Black spruce forest, 4Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
119 km
N LaSarre [
49°49’N
,
79°01’W
]
06.–15.vi.1997
, Malaise/ flight interception trap (pan) in mature Black spruce forest, 2ɗ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
119 km
N LaSarre [
49°49’N
,
79°01’W
]
15.–22.vi.1997
, Malaise/flight interception trap (pan) in mature Black spruce forest, 1ɗ 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
119 km
N LaSarre [
49°49’N
,
79°01’W
]
22.– 29.vi.1997
, Malaise/flight interception trap (pan) in mature Black spruce forest, 1ɗ, P.
Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
119 km
N LaSarre [
49°49’N
,
79°01’W
]
29.vi.–06.vii.1997
, Malaise/flight interception trap (pan) in mature Black spruce forest, 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
119 km
N LaSarre [
49°49’N
,
79°01’W
]
10.–17.viii.1997
, Emergence cage (head) in mature Black spruce forest, 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
119 km
N LaSarre [
49°49’N
,
79°00’W
]
06.–15.vi.1997
, flight interception trap in mature Black spruce forest, 1ɗ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
119 km
N LaSarre [
49°49’N
,
79°00’W
]
15.–22.vi.1997
, flight interception trap in mature Black spruce forest, 1ɗ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
119 km
N LaSarre [
49°49’N
,
79°00’W
]
22.–29.vi.1997
, flight interception trap in mature Black spruce forest, 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
119 km
N LaSarre [
49°49’N
,
79°00’W
]
29.vi.–06.vii.1997
, flight interception trap in mature Black spruce forest, 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
119 km
N LaSarre [
49°49’N
,
79°00’W
]
27.vii.–03.viii.1997
, flight interception trap in mature Black spruce forest, 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
119 km
N LaSarre [
49°49’N
,
79°00’W
]
06.–13.vii.1997
, flight interception trap in mature Black spruce forest, 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
119 km
N LaSarre [
49°49’N
,
79°00’W
]
06.–15.vi.1997
, flight interception trap in mature Black spruce forest, 1Ψ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
128 km
NNE LaSarre [
49°50’N
,
78°41’W
]
06.–15.vi.1997
, flight interception trap in old growth Black spruce forest, 3ɗ, P. Paquin & N. Dupérré (
CPAD
); BaieJames (Jamésie):
128 km
NNE LaSarre [
49°50’N
,
78°41’W
]
20.–27.vii.1997
, flight interception trap in old growth Black spruce forest, 1Ψ, P. Paquin & N. Dupérré (
CPAD
).
Diagnosis.—
Males of
E. chitina
are characterised by the embolic loop enlarging ectally (
Fig. 9
), the tip of embolus (E) coming out of the tegular apophysis (TEGA
sensu
Bennett 2005
) at a right angle (
Figs 9–10
), a palpal tibia rather long and thin (
Fig. 9
), a nonRTA palpal tibial apophysis (
sensu
Bennett 2005
) with two small and elongate ctenidia (CT) (
Fig. 11
). Females are characterised by the carinate lateral fovea forming a broad median septum (MS) slightly narrowing anteriorly (
Fig. 12
), a shallow and inconspicuous atrium (AT) with two small rounded spermathecae (S) touching medially, not always visible through the cuticle (
Fig. 12
), and fertilisation ducts (FD) originating apically from the spermathecae (S) (
Fig. 13
).
Distribution.—
Transcontinental boreal species.
Remark.—
Emblyna chitina
is morphologically similar to
Emblyna peragrata
and the two species have been confused in the past. Recent examination of representatives of both species by D.J. Buckle (pers. comm.) shed light on the problem. We have studied the specimens curated at the CNC and our own records (given above) and confirm his findings. This allows us to clarify the distribution of the two species.
Emblyna chitina
is a widespread boreal species, found from Alaska, British
Columbia
to Québec, while
E. peragrata
is restricted to the West Coast of British
Columbia
.
Chamberlin & Gertsch (1958)
list "one female, probably this species" from Rousseau Bay, Tchapahipane Is., Québec in the list of localities given for
E. peragrata
. Fortunately, this record was overlooked by all authors who treated the spiders of Québec as it now appears erroneous. Females, as all female of the
Emblyna
/
Dictyna
complex, are especially difficult to distinguish and it is best to consider the record of
E. peragrata
from Québec by
Chamberlin & Gertsch (1958)
as a misidentification of
E. chitina
.
Renault (1968)
recorded and illustrated a species from New Brunswick under the name
Dictyna
near
peragrata
.
Most likely, he was also referring to
E. chitina
.