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A Checklist of Manitoba Spiders (Araneae)

with notes on geographic relationships

Results: Family Dictynidae

Argenna obesa Emerton.: Location: A1-3; Collection: AIT, CNC; Distribution: Nearctic. Grass.
Argenna prominula Tullgren ( = Argenna lorna Chamberlin & Gertch, 1958, new synonym)*.: Location: H2; Collection: AIT, CNC; Distribution: Holarctic. Boreal. Bogs.; Notes: Comparison of European spechnens of A. prominula with North American specimens of A. Iorna; by the junior author revealed no structural differences between them. The size and proportional; differences given by Chamberlin & Gertsch (1958) are not consistent in the available material.
Dictyna alaskae Chamberlin & Ivie.: Location: A2; Collection: CNC; Distribution: Holarctic. Boreal. Boreal forest.
Dictyna annulipes (Blackwall).: Location: A1-4, B2, B3, E1, F1, J4, K2; Collection: AIT, BUC, CNC, COS, PRE; Distribution: Holarctic. Boreal. Boreal forest. Grass, leaf litter.
Dictyna borealis 0. P.-Cambridge*.: Location: A3; Collection: CNC; Distribution: Holarctic. Boreal. Grass.
Dictyna brevitarsus Emerton.: Location: A2-4, B3, D3, F3, F4, H2; Collection: AIT, CNC; Distribution: Nearctic. Boreal. Boreal forest. Bogs.
Dictyna coloradensis Chamberlin.: Location: A1, A4; Collection: CNC; Distribution: Nearctic. Boreoalpine. Deciduous woods, fields, grass.
Dictyna completoides Ivie*.: Location: B1; Collection: BUC; Distribution: Western Nearctic. Prairie grass.
Dictyna aff. foliacea (Hertz).: Location: A1, A3; Collection: CNC; Distribution: Eastern Nearctic. Deciduous foliage.
Dictyna major Menge.: Location: A1-3, J4; Collection: CNC; Distribution: Holarctic. Boreal, and subarctic.
Dictyna manitoba Ivie.: Location: A2, A3 B2, G3, H2; Collection: AIT, CNC, COS, PRE; Distribution: Nearctic. Grass, bogs.
Dictyna maxima Banks*.: Location: A2; Collection: CNC; Distribution: Nearctic. Grass.
Dictyna minuta Emerton*.: Location: A2, A3; Collection: AIT, CNC; Distribution: Nearctic. Deciduous leaf litter.
Dictyna phylax Gertsch & Ivie.: Location: B3, E1; Collection: CNC, ROM; Distribution: Nearctic. Boreal. Boreal forest. Coniferous foliage.
Dictyna quadrispinosa Emerton*.: Location: A4; Collection: CNC; Distribution: Eastern Nearctic. Bogs.
Dictyna sancta Gertsch.: Location: A2, B3; Collection: AMNH, CNC; Distribution: Nearctic. Grass.
Dictyna sublata (Hertz).: Location: A 1-3, B3; Collection: AIT, AMNH 1, CNC; Distribution: Eastern Nearctic. Deciduous leaf litter, grass.
Dictyna volucripes Keyserling*.: Location: A2, A3, B2; Collection: AIT, CNC, COS, PRE; Distribution: Western Nearctic. Meadows, deciduous woods. Deciduous litter.
Lathys alberta Gertsch*.: Location: F1; Collection: BUC; Distribution: Holarctic. Boreoalpine. Under stones.
Lathys pallida (Marx).: Location: C4; Collection: AIT; Distribution: Nearctic. Boreal. Coniferous woods.
Tricholathys spiralis Chamberlin & Ivie.: Location: A3; Collection: CNC; Distribution: Nearctic. Grass.

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