Blacktailed red sheetweaver

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Blacktailed red sheetweaver
Red spider dangling from a web
Florinda coccinea
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Arachnida
Order: Araneae
Suborder: Araneomorphae
Family: Linyphiidae
Genus: Florinda
O. Pickard-Cambridge, 1896
Species: F. coccinea
Binomial name
Florinda coccinea
(Hentz, 1850)
Web of Florinda coccinea, showing stopping threads above and sheet below.

Florinda coccinea is a species of web-building spider belonging to the family Linyphiidae. It is sometimes known as the black-tailed red sheetweaver or the red grass spider. This species is common in the southeastern United States, inhabiting grasslands, lawns, and agricultural fields [1]


F. coccinea individuals are bright red in color, with a black caudal tubercle.[2] Typical body length is 3–4 mm for adults, with females being slightly larger than males.

Webs spun by F. coccinea consist of a horizontal sheet of non-sticky silk, with a tangle of stopping threads above. The stopping threads intercept flying prey and cause them to fall into the sheet below, where they are attacked by the spider.


  1. ^ Birkhofer K, Scheu S & Wise DH (2007) Small-scale spatial pattern of web-building spiders (Araneae) in Alfalfa: Relationship to disturbance from cutting, prey availability, and intraguild interactions. Environmental Entomology 36(4):801-810.
  2. ^ Draney M.L. & D.J. Buckle (1995): Linyphiidae. In Spiders of North America: An Identification Manual (Ubick et al., eds.) American Arachnological Society (377 pp).