Distribution Records
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Vetting Levels |
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Adult phenology:
High Mountains (HM) ≥ 4,000 ft.
Low Mountains (LM) < 4,000 ft.
Piedmont (Pd)
Coastal Plain (CP)
Click on graph to enlarge
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| synonym | |
| taxonomic_comments |
Cyclosa: From Greek - 'to move in a circle, circling spider', referring to the spinning of the web. |
| species_comment |
Also called Humped Trashline Orbweaver. |
| id_comments |
Variegated brown and white abdomen and brown cephalathorax. The end of the abdomen is extended into a variable lobe. Can be distinguished from C. turbinata by the absence of two humps near the wide part of the abdomen. Males with cephalathorax black, abdomen black with variable white spots, legs variable orange, in adults legs will show white at base of legs and some black bands. |
| total_length |
Small, female total body length 3.6-7.9mm, male total body length 3.5-4.9mm. |
| structural_features |
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| silk_web |
Small orb web that usually has a line of accumulated debris, a trashline, placed vertically through the center on a band of silk. The debris includes the indigestible remains of prey and fragments of dry leaves. Sometimes the only the silk band/stalimentum is present or the webs is not decorated. |
| fld_guide_descriptions |
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| online_photos |
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| prey |
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| predators |
Wasps and hummingbirds. |
| behavior |
Spider sits beneath the debris line in perfect camouflage. Adult females attach their egg cases to nearby twigs or leaves, not the webs. Small individuals and sometimes adults vibrate the web violently when disturbed. This is probably a defense against wasp or hummingbird predators. |
| distribution_reference |
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| technical_reference |
Spiders of North America - Bradley; Spiders of the Carolinas – Gaddy; Bugguide; Stabilimentum decorated webs spun by Cyclosa conica trapped more insects than undecorated webs: http://www.americanarachnology.org/JoA_free/JoA_v26_n1/JoA_v26_p101.pdf;an examination of the structure and genitalia of Cyclose and Eustala: http://www.biodiversitylibrary.org/page/4314711#page/79/mode/1up |
| adult_id | 1 identifiable by photo 2 identifiable by photo of specific features and/or supplementary info 3 identifiable from specimen only |
| abundance |
Common. |
| distribution_comments |
Common throughout North Carolina and throughout the US and Canada. Mature from mid-may to summer, males in spring, females in spring to summer. Egg sac is round and golden yellow. |
checklist_mt_high
>=4,000 ft. | |
checklist_mt_low
<4,000 ft. | |
checklist_pd
Piedmont | |
checklist_cp
Coastal Plain | |
| habitat |
old field, marsh, forest edge |
| observation_methods |
Visual observation. If the web or the debris line is touched the spider will fall from the web or move across from its trashline. |
| state_protection |
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| NHP_ranks |
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| NHP_status |
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| status_comments |
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Photo Gallery for Cyclosa conica a trashline spider |
 | Recorded by: Brian Bockhahn
Macon Co.
Comment: |  | Recorded by: Brian Bockhahn
Macon Co.
Comment: |
 | Recorded by: Mark Basinger
Bertie Co.
Comment: |  | Recorded by: Brian Bockhahn
Buncombe Co.
Comment: |
 | Recorded by: Brian Bockhahn
Durham Co.
Comment: |  | Recorded by: Brian Bockhahn, C. Bowers, H. Anderson, J. Brown
Cumberland Co.
Comment: |
 | Recorded by: Barbara McRae
Macon Co.
Comment: |  | Recorded by: Brian Bockhahn
New Hanover Co.
Comment: |
 | Recorded by: Brian Bockhahn
Surry Co.
Comment: |  | Recorded by: Brian Bockhahn
Surry Co.
Comment: |
 | Recorded by: B. McRae
Macon Co.
Comment: |  | Recorded by: Brian Bockhahn
Haywood Co.
Comment: |
 | Recorded by: Ken Kneidel
Mecklenburg Co.
Comment: body 2 mm |  | Recorded by: Ken Kneidel
Mecklenburg Co.
Comment: body 2 mm |
 | Recorded by: Ken Kneidel
Mecklenburg Co.
Comment: body 2 mm |  | Recorded by: B. McRae
Macon Co.
Comment: |
 | Recorded by: Brian Bockhahn
New Hanover Co.
Comment: |  | Recorded by: Bo Sullivan
Jones Co.
Comment: |
 | Recorded by: Brian Bockhahn
Stokes Co.
Comment: |  | Recorded by: Brian Bockhahn
Harnett Co.
Comment: |
 | Recorded by: Brian Bockhahn
Wake Co.
Comment: |
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