Conical Trashline Orbweaver

Cyclosa conica

General Status Rank: 
Undetermined
ELCODE: 
ILARAF7010
Common Name: 
Conical Trashline Orbweaver
Scientific Name: 
Cyclosa conica
Synonyms: 
Epeira canadensis
Aranea conica
Naming References: 
B161
R197
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Taxonomy
Group: 
Arachnid (Spider)
Kingdom: 
Animalia
Phylum: 
Arthropoda
Class: 
Arachnida
Order: 
Araneae
Family: 
Araneidae
General Biology

Female Age at Maturity

Kaston (1948) states that the spider winters in the penultimate or antepenultimate instar, and is mature from mid-May to summer. Wiehle (1931) stated that May is the month when most individuals are mature in Germany, and that the young begin to appear at the end of June (in Dondale et al. 2003).
Habitat
Understory of coniferous or mixed forests. Egg sacs are fastened to dead twigs or under leaves near the web (Dondale et al. 2003).
References: 
B161
Distribution

Ecozones

Taiga Plains
References: 
B161

Distribution

Alaska to Newfoundland, south to Baja California, Guatemala, and Virginia; Europe and Asia. In the NWT, the species is known from Fort Simpson and Fort Smith (Dondale et al. 2003, GBIF).
References: 
HSS001

Number of Occurrences

Only two occurrences have been reported from the NWT to date; one at Fort Simpson (Dondale et al. 2003) and one at Fort Smith (GBIF). Reference: (1) Dondale, C.D., Redner, J.H., Paquin, P., & Levi, H.W. 2003. The Insects and Arachnids of Canada. Part 23. The Orb-weaving Spiders of Canada and Alaska (Araneae: Uloboridae, Tetragnathidae, Araneidae, Theridosomatidae). NRC Research Press, Ottawa, ON. 371 pp. (2) https://www.gbif.org/occurrence/search?country=CA&taxon_key=2158202&occurrence_status=present&gadm_gid=CAN.6_1
References: 
B161
General Status Rank
Rank: 
Undetermined
Status Rank Description: 
Regional experts consider this species to be poorly known and unrankable in the NWT.
S Rank: 
SU
Decision Process Description: 
Rank drafted by S. Cannings, M. Anions, P. Paquin, D. Buckle, and R. Bennett in 2010. Rank reviewed in 2014 and 2023 by R. Bennett; unchanged from Undetermined.
Last Updated: 
July 18, 2024
Status Designations

Canada – Assessment by Committee on the Status of Endangered Wildlife in Canada

COSEWIC Status: 
-

References

Ecozones

  • Dondale, C.D., J.H. Redner, P. Paquin, and H.W. Levi (2003) The Insects and Arachnids of Canada, Part 23, The Orb-Weaving Spiders of Canada and Alaska, Araneae: Uloboridae, Tetragnathidae, Araneidae, Theridiosomatidae. NRS Research Press ENR Library QL 434.52.A1I5 pt.23 - B161 Return

Habitat

  • Dondale, C.D., J.H. Redner, P. Paquin, and H.W. Levi (2003) The Insects and Arachnids of Canada, Part 23, The Orb-Weaving Spiders of Canada and Alaska, Araneae: Uloboridae, Tetragnathidae, Araneidae, Theridiosomatidae. NRS Research Press ENR Library QL 434.52.A1I5 pt.23 - B161 Return

Naming

  • Dondale, C.D., J.H. Redner, P. Paquin, and H.W. Levi (2003) The Insects and Arachnids of Canada, Part 23, The Orb-Weaving Spiders of Canada and Alaska, Araneae: Uloboridae, Tetragnathidae, Araneidae, Theridiosomatidae. NRS Research Press ENR Library QL 434.52.A1I5 pt.23 - B161 Return
  • Bennett, Robb (2010) DRAFT LIST OF SPIDERS IN CANADA Phylum Chelicerata; Class Arachnida; Order Araneae. - R197 Return

Number of Occurrences

  • Dondale, C.D., J.H. Redner, P. Paquin, and H.W. Levi (2003) The Insects and Arachnids of Canada, Part 23, The Orb-Weaving Spiders of Canada and Alaska, Araneae: Uloboridae, Tetragnathidae, Araneidae, Theridiosomatidae. NRS Research Press ENR Library QL 434.52.A1I5 pt.23 - B161 Return

Range Extent

  • Bennett R. in Hebert, R. (2014) A set of 2 e-mails GS Spiders with ranks poposed by Robb Bennett (09/05/2014). e copy - HSS001 Return