Monday, June 1, 2009

Cybaeopsis euopla (Bishop & Crosby, 1935)

Cybaeopsis euopla (Bishop & Crosby, 1935) Habitus

FAMILY: AMAUROBIIDAE Thorell, 1870
Genus: Cybaeopsis Strand, 1907
Species: Cybaeopsis euopla (Bishop & Crosby, 1935)

General Comments:
Cybeaopsis euopla (Bishop & Crosby, 1935) has been collected from Nova Scotia and Newfoundland and Labrador west to British Columbia and north to the western part of the Northwest Territories. In the United States, it has been recorded in Maine, Minnesota, and Wisconsin (Leech, 1972).

Family Common Name:
hackledmesh weavers
Genus Common Name:
none
Species Common Name:
none

Habitat (published):
deep deciduous leaf litter, bogs (Aitchison-Benell & Dondale, 1990; Leech, 1972).
Habitat
(<30>

Life & Natural History: Males of Cybaeopsis euopla (Bishop & Crosby, 1935) have been collected from April to October, but peak numbers are usually in May and June. Females have been collected from April to November with peak numbers in May and June (Leech, 1972).

Callobius severus (Simon, 1884)

Callobius severus (Simon, 1884) Habitus

FAMILY: AMAUROBIIDAE Thorell, 1870
Genus: Callobius Chamberlin, 1947
Species: Callobius severus (Simon, 1884)

Family Common Name: hackledmesh weavers
Genus Common Name: none
Species Common Name: none

Habitat (published): (not yet published or unknown)
Habitat (<30> Wet Mixed closed Forest; Garry Oak forest floor; Coastal Mixed Forest; Douglas Fir canopy;

Life & Natural History: (not yet recorded or unknown)

Callobius pictus (Simon, 1884)

Callobius pictus (Simon, 1884) Habitus

FAMILY: AMAUROBIIDAE Thorell, 1870
Genus: Callobius Chamberlin, 1947
Species: Callobius pictus (Simon, 1884)

Family Common Name: hackledmesh weavers
Genus Common Name: none
Species Common Name: none

Habitat (published): (not yet published or unknown)
Habitat (<30> UBC Research Forest; under deck in stack of used flower pots; crawling across rug; Old growth. Riparian, 0 m from strream; Douglas Fir canopy; Canopy; Garry Oak open meadow; Old growth. Riparian, 20 m from strream; Old growth. Riparian, 75 m from strream; Garry Oak forest floor; Old growth. Riparian, 50 m from strream; Clear cut; Old growth. Riparian, 10 m from strream; on pile of clothes in mudroom;

Life & Natural History: (not yet recorded or unknown)

Callobius bennetti (Blackwall, 1846)

Callobius bennetti (Blackwall, 1846) Habitus

FAMILY: AMAUROBIIDAE Thorell, 1870
Genus: Callobius Chamberlin, 1947
Species: Callobius bennetti (Blackwall, 1846)

General Comments:
The range of this species is restricted to the eastern half of North America. Callobius bennetti (Blackwall, 1846) and Callobius nomeus (Chamberlin, 1919) are very similar in terms of body shape, size, and coloration especially at higher latitudes and altitudes (Leech, 1972).

Habitat (published): under stones and loose bark of decaying logs, under leaves, coniferous woods (Aitchison-Benell & Dondale, 1990; Leech, 1972).
Habitat (<30> Mixedwood forest, 20% standing trees; Coniferous-dominant forest, 10% standing trees;

Life & Natural History: (not yet recorded or unknown)

Description: The carapace is light golden yellow in colour and the cephalic region is usually dusky with with bands or with mottling. The legs are paler in colour than the carapace. The abdomen is pale tan to dark gray-black in colour. Anterior and middle of abdomen with a pale stripe flanked by two paler stripes and poterior with sometimes indistinct chevrons (Leech, 1972).

Amaurobius borealis Emerton, 1909

Amaurobius borealis Emerton, 1909 Habitus

FAMILY: AMAUROBIIDAE Thorell, 1870
Genus: Amaurobius C. L. Koch, 1837
Species: Amaurobius borealis Emerton, 1909

Family Common Name: hackledmesh weavers
Genus Common Name: none
Species Common Name: none

Habitat (published): under logs and small stones, in deep leaf litter of deciduous and coniferous forests, bogs
Habitat (<30> Sifting moss. Spruce forest; Clay Ridge; Sask. River valley; Under fallen log. Deciduous woods; Forest; Aspen, shrub; Spruce forest; Sifting moss. Spruce woods; Pine forest; Sifting moss. Pine/aspen forest; Riparian, Cobble Stones; Riparian, Conifer closed Forest; Poplar woods; Spruce woods; Open spruce woods. Surface litter; Aspen/spruce woods; Forest area; Mixedwood forest; Basin fen and surrounding Picea mariana woods; Aspen/Spruce Ecotone; Riparian; Wetland; Deciduous-dominant forest, 50% standing trees; Sage, grassland; Lodgepole Pine closed Forest; White spruce heath; Aspen forest;

Life & Natural History: Males have been collected from April to October (May is the peak period) while females have been collected from May to November. Black flies are part of this species' diet

Description: Unformly light brown. Femora paler than carapace and legs darker to their distal ends. Femora and patellae of palpi same color pattern as legs, but tibiae and cymbiae are darker. Opisthosoma pale or dark grey with pale anterior region on dorsal surface with chevrons toward posterior end or unmarked.

Agelenopsis potteri (Blackwall, 1846)

FAMILY: AGELENIDAE C. L. Koch, 1837
Genus: Agelenopsis Giebel, 1869
Species: Agelenopsis potteri (Blackwall, 1846)

Family Common Name: funnel weavers
Genus Common Name: grass spiders
Species Common Name: none

Habitat (published): (not yet published or unknown)>Habitat (<30> RSM basement; Urban yard; Urban yard. Web beside house; In ofice, RSM. Ovip.-26.ix.2002; In brick pile. Urban yard; In house; Found dead in City Hospital; Wall of house. Urban yard; In water barrel; Found dead; Indoors; In urban basement;

Life & Natural History: (not yet recorded or unknown)

Agelenopsis actuosa (Gertsch & Ivie, 1936)

Agelenopsis actuosa (Gertsch & Ivie, 1936) Habitus

FAMILY: AGELENIDAE C. L. Koch, 1837
Genus: Agelenopsis Giebel, 1869
Species: Agelenopsis actuosa (Gertsch & Ivie, 1936)

Family Common Name: funnel weavers
Genus Common Name: grass spiders
Species Common Name: none

Habitat (published): (not yet published or unknown)
Habitat (<30>Vagrant. In garden; On wall under light; Parkland. Edge of poplar grove; Photos - 1976-31,32; Vagrant; Garry Oak open meadow; Grassy hillside; Fescue with trees; Web on ground. Dry meadow; Fescue grassland; Dead in web. Mesic grassland; Fescue prairie; Cultivated/Trees; Grain field; Woods; In copula. Web in grass; Tame pasture; House basement; Native grass/Trees; Web in grass. Meadow; Along Sask. River; Grassy river bank; Web on grond. Edge poplar grove; Under cardboard. Roadside ditch; Web on ground. Poplar woods; Rail line; Grassy lake margin; Slough margin; Cultivated land; In funnel web on ground in woods;

Life & Natural History: (not yet recorded or unknown)

Description: Similar to Agelenopsis spatula, which have distinct markings on the carapace, have v-shaped dusky mark on the sternum that fades posteriorly. Legs have grey annuli (Chamberlin & Ivie, 1941).

Male Dimensions:
Male dimensionsA = 5.3 mm
A+B = 10.7 mm
C = 5.3 mm
Female Dimensions:
Female dimensions A = 5 mm
A+B = 12 mm
C = 3.4 mm