Marbled Orb Weaver Minnesota

Marbled orbweaver araneus marmoreus is a medium sized orb weaver spider.

Marbled orb weaver minnesota.

Based on collected data the geographic range for araneus marmoreus includes 3 countries and 19 states in the united states. Marbled orbweaver araneus marmoreus. Females are twice the size of males and generally stay hidden at the web s perimeter in a mess of dead leaves. Has an orange or yellow cephalothorax first part of a spider including the head and a large bulbous abdomen that is usually bright orange but may occasionally be.

They spin a large circular web that hangs vertically. Marbled orb weaver in middle of web photo. Due to its orange color it is sometimes also referred to as pumpkin spider. 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. It s web showed signs of damage with evidence that the spider a female if i m not mistaken had repaired it. The largest web i ve seen is about tire size in diameter. Marbled orb weaver description.

The marbled orb weaver made a large web in the fork of a tree trunk near the wetland trail of the crosby farm regional park. It has a holarctic distribution. Orb weaver spiders are members of the spider family araneidae they are the most common group of builders of spiral wheel shaped webs often found in gardens fields and forest. Physical description and identification adults.

There are about 3 100 species in 169 genera worldwide. The marbled orb weaver belonging to the class arachnida is one of the good looking spiders. Jeff hahn university of minnesota extension. Marbled orb weavers are aptly named because they weave symmetrically round orb shaped webs to capture their prey flies bugs and other insects.

Araneus marmoreus the marbled orb weaver is a colorful orb weaver species. Orb weaver spiders aranidae is the third largest family of spiders. Females are 0 35 0 8 in 9 20 mm while males are around 0 19 0 35 in 5 9 mm. 1 3 3 4 inch long.

This web is called an orb which gives this family its common name. Araneus marmoreus is most often sighted outdoors and during. Marbled orb weavers are usually found in forested areas and. The marbled orb weaver can be found throughout the east of the united states and in canada.

The family is cosmopolitan including many well known large. The marbled orb weaver can have several appearances. Their abdomen has several marble like patterns which are the reason behind the name. Jason pler in dc flicker sharing.

Araneids have eight similar eyes hairy or spiny legs and no stridulating organs. They build their webs on shrubs reeds or tall grasses.