Are Marbled Orb Weaver Spiders Poisonous. Females are twice the size of males and generally stay hidden at the web s perimeter in a mess of dead leaves. It has a holarctic distribution. Araneus marmoreus commonly called the marbled orb weaver is a species of spider belonging to the family araneidae it is sometimes also called the pumpkin spider from the resemblance of the female s inflated abdomen to an orange pumpkin.
Orb can in english mean circular hence the english name of the group. The family is cosmopolitan including many well known large.
It has a holarctic distribution.
Araneids have eight similar eyes hairy or spiny legs and no stridulating organs. Orb can in english mean circular hence the english name of the group. Marbled orb weaver spider. Araneus marmoreus is found throughout all of canada to alaska the northern rockies from north dakota to texas and then.