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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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