Bug FAQHorned Parasitic Cobweaver
Neospintharus trigonum · Order: Araneae · Family: Theridiidae
Adult females weigh roughly 10.9 mg.
Source: Wikipedia
Life cycle
A female produces clutches of roughly 42 eggs, each about 0.67 mm across and weighing 0.17 mg.
Source: Wikipedia
Where it comes from
It occurs in the United States and Canada.
Source: Wikipedia
Where it is found in the US
Recorded in 28 of 51 states and DC. Most records: Ohio, Maine, Massachusetts, New York, Michigan, Maryland, North Carolina, Texas.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in Canada. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Same family (Theridiidae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Neospintharus_trigonum
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-26 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-26.