Marbled Orb Weaver Minnesota

Orb can in english mean circular hence the english name of the group.

Marbled orb weaver minnesota. Araneids have eight similar eyes hairy or spiny legs and no stridulating organs. Due to its orange color it is sometimes also referred to as pumpkin spider. The spider species araneus marmoreus commonly known as marbled orb weaver belongs to the genus araneus in the family araneidae araneus marmoreus spiders have been sighted 70 times by contributing members. Orb weaver spiders aranidae is the third largest family of spiders.

Their abdomen has several marble like patterns which are the reason behind the name. Females are twice the size of males and generally stay hidden at the web s perimeter in a mess of dead leaves. Marbled orbweaver araneus marmoreus. 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.

Crosby farm regional park st. Marbled orb weaver in middle of web photo. Females are 0 35 0 8 in 9 20 mm while males are around 0 19 0 35 in 5 9 mm. The marbled orb weaver can have several appearances.

This web is called an orb which gives this family its common name. 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. Araneus marmoreus the marbled orb weaver is a colorful orb weaver species.

Physical description and identification adults. They spin a large circular web that hangs vertically. The marbled orb weaver can be found throughout the east of the united states and in canada. The marbled orb weaver belonging to the class arachnida is one of the good looking spiders.

It has a holarctic distribution. It s web showed signs of damage with evidence that the spider a female if i m not mistaken had repaired it. They build their webs on shrubs reeds or tall grasses. 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.

1 3 3 4 inch long. Jason pler in dc flicker sharing. 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. Marbled orb weavers are usually found in forested areas and.

There are about 3 100 species in 169 genera worldwide. The largest web i ve seen is about tire size in diameter. Marbled orb weavers are aptly named because they weave symmetrically round orb shaped webs to capture their prey flies bugs and other insects. The family is cosmopolitan including many well known large.

Jeff hahn university of minnesota extension. Marbled orb weavers prefer wooded areas near water sources like creeks stream rivers ponds and marshes.