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Silkhenge structures are a means of spider reproduction used by one or more currently-unknown species of spider. It typically consists of a central "spire" constructed of spider silk, containing one to two eggs, surrounded by a sort of fence of silk in a circle. [1]
Desert Spider, Stegodyphus lineatus, one of the best-described species that participates in matriphagy Matriphagy is the consumption of the mother by her offspring. [1] [2] The behavior generally takes place within the first few weeks of life and has been documented in some species of insects, nematode worms, pseudoscorpions, and other arachnids as well as in caecilian amphibians.
Stegodyphus lineatus (desert spider) is the only European species of the spider genus Stegodyphus. Male S. lineatus can grow up to 12 mm long while females can grow up to 15 mm. The colour can range from whitish to almost black. In most individuals the opisthosoma is whitish with two broad black longitudinal stripes.
Instances of females eating some of their own eggs have been recorded. It is assumed that they only consume the infertile ones, as unfertilized eggs occur at high enough rates among C. lyoni. [13] [15] 5 to 54 spiderlings will eventually hatch from the eggs, 11 to 13 days after egg-laying. Spiderlings do not leave the eggs immediately.
During the making of Neon Genesis Evangelion, the production staff decided to set the work on a battle between gods and humans. [6] [7] In one early draft, which was published about two years before airing, Gainax included enemies named Apostolos (アポストロ, aposutoro), which they conceived as ancient relics scattered all over the globe and left in hibernation by a species called "First ...
Nightmare from romantic getaway followed couple home with more creepy-crawly surprises
In L. polyphemus, the eggs take about two weeks to hatch with shore birds eating many of them in the process. [49] Natural breeding of horseshoe crabs in captivity has proven to be difficult. [52] Some evidence indicates that mating takes place only in the presence of the sand or mud in where horseshoe crab eggs have previously hatched. [52]
Stegodyphus dumicola, commonly known as the African social spider, is a species of spider of the family Eresidae, or the velvet spider family. It is native to Central and southern Africa. This spider is one of three Stegodyphus spiders that lives a social lifestyle (S. lineatus, S. mimosarum, and S. dumicola). This spider has been studied ...