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  2. Cheiracanthium - Wikipedia

    en.wikipedia.org/wiki/Cheiracanthium

    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.

  3. Cheiracanthium erraticum - Wikipedia

    en.wikipedia.org/wiki/Cheiracanthium_erraticum

    In early summer C. erraticum builds a retreat made from two or three leaves or grass heads which are stitched together to hold the female and her egg sac. Later in the year, the immature spiders, which are already showing the reddish median stripe on the abdomen, can be found in small silk cells on plant stems.

  4. Spider behavior - Wikipedia

    en.wikipedia.org/wiki/Spider_behavior

    Sacrificial mothers: Offspring of the species Stegodyphus lineatus eat their mother. Females of Segestria florentina sometimes die while guarding her eggs and the hatched spiders later eat her. Non-reproductive cannibalism : Some spiders, such as Pholcus phalangioides , will prey on their own kind when food is scarce.

  5. Cheiracanthium punctorium - Wikipedia

    en.wikipedia.org/wiki/Cheiracanthium_punctorium

    Cheiracanthium punctorium, one of several species commonly known as the yellow sac spider, is a spider found from central Europe to Central Asia.They reach a length of about 15 mm, and their bite can penetrate human skin; the bite has been compared to a wasp sting, perhaps a bit more severe, although susceptible persons can have stronger reactions, like nausea. [1]

  6. Cheiracanthium inclusum - Wikipedia

    en.wikipedia.org/wiki/Cheiracanthium_inclusum

    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]

  7. Optimal foraging theory - Wikipedia

    en.wikipedia.org/wiki/Optimal_foraging_theory

    In nature, generalists include a wide range of prey items in their diet. [11] An example of a generalist is a mouse, which consumes a large variety of seeds, grains, and nuts. [ 12 ] In contrast, predators with relatively short S 1 s are still better off choosing to eat only prey 1 .

  8. Cheiracanthium abbreviatum - Wikipedia

    en.wikipedia.org/wiki/Cheiracanthium_abbreviatum

    Cheiracanthium abbreviatum is a spider species found in France and Denmark. [ 1 ] The species was first described in 1878 by Eugène Simon , [ 1 ] based on a single female specimen caught in the dunes of Cap Ferret under Mediterranean strawflower ( Helichrysum stoechas ) shrubbery. [ 2 ]

  9. Cheiracanthium gratum - Wikipedia

    en.wikipedia.org/wiki/Cheiracanthium_gratum

    Cheiracanthium gratum is a spider species found in Germany and Hungary. It is pale yellow, with males growing to 5.6-6.5 mm in length and females 6.7-7 mm. [1]