Where do water spider lay there eggs?

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Fertization of eggs occurs in womb and within determined period

after copulation occured (from 1 to 8 months), duration of which

inheres in direct dependency from different conditions (seasonal,

temperature, humidity/moisture, presence of food, period from

females last molt etc.) and concrete species of tarantula, female

lays eggs, entwined them in eggsac (cocoon). Whole this process

occurs in dwelling camera of burrow, which changes in "nest".

Eggsac, as a rule, consists in two parts, attached by its edges.

First spins the basic part, then eggs laying upon it and finally it

is plaited with roofing part. Some species (Avicularia spp.,

Theraphosa blondi) plate into cocoon walls their «urticating hairs»

for its protections from possible enemies.

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Female of arboreal tarantula Psalmopoeus cambridgei with

eggsacUnlike majority of other Spiders, female of tarantula

protects eggsac and takes care of it, being turning it over

periodically by chelicerae and pedipalps and also moving it

depending on change of the conditions of humidity and temperature.

There are determined difficulties with artificial incubation of

eggs in home conditions are bound with it. But in many cases it is

reasonable to artificially incubate eggsacs since cases of eating

its by females are not rare in hobby as a result of "stress" caused

by enxiety so as «on unknown reasons». To this effect amateurs from

USA, Germany, England, Australia have developped an incubator, but

some amateurs, withdrewing cocoons from females, take their

"maternal" functions on itself, turning over cocoon manually

several times a day

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-Mikhail F. Bagaturov-