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Cheiracanthium, commonly called yellow sac spiders, is a genus of araneomorph spiders in the family Cheiracanthiidae, and was first described by Carl Ludwig Koch in 1839. [4] They are usually pale in colour, and have an abdomen that can range from yellow to beige.
Cheiracanthiidae is a family of araneomorph spiders first described by Vladimir Wagner in 1887. [1] The synonym Eutichuridae was used for a long time, but Cheiracanthiidae has priority. [1]
The spiders in the genus can grow to have a leg span of 13 to 18 cm (5 to 7 in). Their body length ranges from 17 to 48 mm (43 ⁄ 64 to 1 + 57 ⁄ 64 in). [4] [5] While some other araneomorph spiders have a longer leg span, the largest Phoneutria species have the longest body and the greatest body weight in this group. [6]
Cheiracanthium inclusum, alternately known as the black-footed yellow sac spider or the American yellow sac spider (in order to distinguish it from its European cousin C. punctorium), was formerly classified as a true sac spider (of the family Clubionidae), and then placed in the family Miturgidae, but now belongs to family Cheiracanthiidae. [1]
Females have a body length of 8–9 mm (0.31–0.35 in), males 5–6.5 mm (0.20–0.26 in). [3] C. erraticum is a distinctively marked spider which shows a wide dark red stripe running down the centre of the abdomen, which is in turn surrounded by an area of creamy-yellow while the head is a reddish brown. [4]
C. inclusum (Hentz, 1847) — North America, Central America, Caribbean, South America. Introduced to Réunion Introduced to Réunion C. incomptum (Thorell, 1891) — India (Nicobar Is.)
The spider species Araneus diadematus is commonly called the European garden spider, cross orbweaver, diadem spider, orangie, cross spider, and crowned orb weaver.It is sometimes called the pumpkin spider, [2] although this name is also used for a different species, Araneus marmoreus. [3]
The specimen measured 3.5 cm long and 6 cm with its legs. It was reported that the bite was extremely painful, accompanied by sweating and hairs standing on end. The victim additionally reported pain radiating to his chest, increased heart rate, dizziness, nausea, coldness, drooling, vomiting, and an immediate erection.