egg sac


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egg sac

n.
The silken pouch in which many spiders deposit their eggs. Also called egg case.
References in periodicals archive ?
At this time of year, the larger females are always found close to the tiny egg sac that contains the young spiders, which will hatch next spring.
They carry the egg sac on their back and protect it aggressively.
Former chef Gemma, of Annfield Plain, Co Durham, said: "As I peeled the banana a white egg sac, which I had not noticed before, broke and hundreds of little spiders were crawling on my hands and arms and down my pyjamas.
Former chef Gemma, of Annfield Plain, County Durham, said: "As I peeled the banana, a white egg sac broke and hundreds of little spiders were crawling on my hands and arms and down my pyjamas.
Females are the only ones to build orb webs, and they do so for female reasons: every summer they lay an egg sac.
One possible reason for its success lies in its fecundity, as it can produce an egg sac every four days during its earliest ovipositions and averages 22 egg sacs in a lifetime (Bouillon and Lekie 1961).
The whole process doesn't take long because quite soon, she will fly along the river course dipping her egg sac in the surface water and depositing her eggs into the river.
The egg sac, irregular in shape, about the size of a tennis ball, is often seen in the garden, suspended by silk threads.
We collected spiders in early Jun, in an attempt to collect late enough in the season to ensure females were mated adults but early enough in the season to (1) ensure that all spiders were manufacturing their first egg sac of the season, and (2) ensure that most spiders had yet to produce that first egg sac.
As a child, I lived in an old house covered in vines, and twice I watched an egg sac burst and release hundreds of baby spiders across the room and over my head.
vagans females make a large silken egg sac 4-5em in diameter, containing around 500 eggs.
Some fishermen like to paint the lead on their lures with a bright orange or red powdercoat paint to mimic the egg sac of a sandflea.