Iowa

Mangora gibberosa – Lined Orbweaver

Mangora gibberosa, the lined orbweaver, is a common spider found throughout the eastern part of North America. One of the main characteristics of the lined orbweaver is its special web-style. The webs ob Mangora gibberosa have an inner circle that is spun with thicker silk, forming a white ring around the web’s center. Description The […]

Micrathena gracilis – Spined Micrathena

Micrathena gracilis, commonly known as spined micrathena, is one of the spiny orb weaver spiders. The spiny body serves to protect them from birds, lizards or other predators. The hard spines should hurt predators when dealing a bite. These easy to recognize, unobtrusive forest denizens are abundant throughout the Eastern United States and especially common […]

Micrathena mitrata – White Micrathena

The spider species Micrathena mitrata, commonly called white micrathena, is an orb weaving spider. They have a large bulbous white abdomen with spines and black markings and are found throughout the Eastern United States as well as Central and South America. Description The white micrathena has a brown and small cephalothorax (head) and legs and […]

Verrucosa Arenata – Arrowhead Spider

The arrow-head spider, Verrucosa arenata, is an orb-weaver spider found throughout the United States. Its common name arrowhead spider or triangle orb weaver comes from the triangle-shaped yellow or white coloration on the spiders’ abdomen. Arrow-Shaped Orbweaver Description Verrucosa arenata are generally easy to distinguish from similar orb weavers because of their special color pattern and […]

Micrathena Sagittata – Arrow-Shaped Orbweaver

The arrow-shaped orb weaver, Micrathena sagittata, is a strange-looking, arrow-shaped spider that is commonly found in gardens of the Eastern United States. The spider’s abdomen is large and yellow with two large red and black spines on its back. Its specific name “sagittata” is Latin for “arrowed” and it refers to the shape of the abdomen. Arrow-Shaped […]

Araneus Bicentenarius – Giant Lichen Orb Weaver

While the giant lichen orb weaver may not be the largest orb weaver in terms of diameter, thanks to its massive abdomen, it is one of the heaviest orb weaver spiders. Like most other orb weavers, Araneus bicentenarius is a nocturnal spider and spins large webs. Quick Overview: Araneus bicentenarius – Giant Lichen Orb WeaverMedically […]

Maevia Inclemens – Dimorphic Jumper

Maevia inclemens, commonly called dimorphic jumper is a species of jumping spiders mainly found in the Eastern U.S. States and Southeastern Canada. Its common name comes from the fact that there are two types of males that differ in appearance and behavior – so-called morphs. Dimorphic Jumper Description As mentioned, the male dimorphic jumper comes […]

Araneus Marmoreus – Marbled Orb Weaver

Araneus marmoreus, The marbled orb weaver is a colorful orb weaver species. Due to its orange color, it is sometimes also referred to as pumpkin spider. The marbled orb weaver can be found throughout the east of the United States and in Canada. Marbled orb weaver description The Marbled Orb Weaver can have several appearances. […]

Neoscona crucifera – Spotted Orb Weaver

Neoscona crucifera, commonly known as the spotted orbweaver, is an orb weaver species indigenous to the Eastern part of North America. Description of the spotted orb weaver The abdomen, which is usually a shade of brown or reddish brown, has a slight pattern but nothing that stands out, and is usually covered with thick hairs. […]

Loxosceles reclusa – Brown Recluse

The brown recluse, loxosceles reclusa, is one of the more dangerous spiders indigenous in the United States. While usually not life-threatening, a brown recluse bite might lead to severe skin damage. This page gives an overview of how to identify a brown recluse and in which states in the US it appears. Brown Recluse Description […]

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