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Famakytta flavescens (formerly Argyrodes flavescens) |
Genus Argyrodes
Family Theridiidae
Genus : Argyrodes
寄居姬屬
Spiders of the genus Argyrodes (Theridiidae) are called dewdrop spiders, occur
worldwide. They are best known as kleptoparasites because they steal other
spider's prey. They invade and reside in their host's web even though they can
spin their own webs.
However, the relationship can sometimes be commensal or even mutual since the
dewdrop spider can feed on small trapped insects that are not eaten by the host.
Some species can even prey upon its host.
Many species are black with silvery markings. These spiders are relatively
small.
This “dewdrop” spiders, with the abdomen a sharp peak and the tendency of the
larger legs to be pointed forwards when the spider is at rest, is characteristic
of Argyrodes species. It is also normal for this kind of spider to scavenge on
the edge of the webs of large orb-weaving spider species
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Famakytta flavescens (formerly Argyrodes flavescens) |