Family Araneidae
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Photographed in Ouachita National Forest, Road T-39, Oklahoma, on 28 March 2024.
Photographs and text © Bryan Reynolds
All rights reserved. Contact: [email protected]
24 Jul 2023.
Buckingham Springs, Bucks Co, PA.
The spider species Araneus diadematus is commonly called the European garden spider, cross orbweaver, diadem spider, orangie, cross spider, and crowned orb weaver. It is sometimes called the pumpkin spider, although this name is also used for a different species, Araneus marmoreus. It is an orb-weaver spider found in Europe, where it is native, and North America, where it was introduced.
Range
A. diadematus has a holarctic distribution throughout Europe and across North America, from southern Canada to Mexico, and from British Columbia to Newfoundland.
Size and markings
Individual spiders' colourings can range from extremely light yellow to very dark grey, but all A. diadematus spiders have mottled white markings across the dorsal abdomen, with four or more segments forming a cross. The markings are formed in cells filled with guanine, which is a byproduct of protein metabolism.
Adult females range in length from 6.5 to 20 mm (0.26 to 0.79 in), while males range from 5.5 to 13 mm (0.22 to 0.51 in). Occasionally, the female will eat the male directly after mating.
Specialization
The legs of orb-weaver spiders are specialized for spinning orb webs. The webs are built by the larger females, which hang head down in the center of the web or remain hidden in nearby foliage, with one claw hooked to a signal line connected to the main orb, waiting for a disturbance to signal the arrival of prey. Prey is then quickly wrapped in silk and bitten, and the prey may hang on the web to be stored for later consumption. The initial bite serves to paralyze the prey and minimize the danger of the spider herself being stung or bitten, and the enzymes thus injected serve to begin liquefaction of the prey's internal structures.
Alongside the use of the web to capture other prey, the spiders are also cannibals and prey on each other, but this only happens just before, during, or just after sexual activity. They attack based on their size, sexual experience, and hunger levels.
A. diadematus is a reclusive creature and only bites humans if cornered or otherwise provoked. It responds to a disturbance by vibrating rapidly in its web until it becomes a blur, a reaction that is assumed to confuse potential predators
14 Oct 2021.
Buckingham Springs, Bucks Co, PA.
24 Aug 2022.
Bowman's Hill Wildflower Preserve, Bucks Co, PA.
24 Aug 2022.
Bowman's Hill Wildflower Preserve, Bucks Co, PA.
06 Jul 2022.
Buckingham Springs, Bucks Co, PA.
Photographed at the Lexington Wildlife Management Area, Oklahoma, on 6 September 2021.
Photographs and text © Bryan Reynolds
All rights reserved. Contact: [email protected]
Photographed at the Lexington Wildlife Management Area, Oklahoma, on 6 September 2021.
Photographs and text © Bryan Reynolds
All rights reserved. Contact: [email protected]
Photographed at the Lexington Wildlife Management Area, Oklahoma, on 6 September 2021.
Photographs and text © Bryan Reynolds
All rights reserved. Contact: [email protected]
Photographed at the Lexington Wildlife Management Area, Oklahoma, on 6 September 2021.
Photographs and text © Bryan Reynolds
All rights reserved. Contact: [email protected]
Photographed at the Lexington Wildlife Management Area, Oklahoma, on 6 September 2021.
Photographs and text © Bryan Reynolds
All rights reserved. Contact: [email protected]
Photographed on my property in central Oklahoma, on 30 August 2021.
Photographs and text © Bryan Reynolds
All rights reserved. Contact: [email protected]
Eratigena agrestis taken using flash it was hiding in a dark corner.
494
Kingdom:Animalia
Phylum:Arthropoda
Subphylum:Chelicerata
Class:Arachnida
Order:Araneae
Infraorder:Araneomorphae
Family:Araneidae
Genus:Argiope
Species:A. argentata
Binomial name
Argiope argentata
Nombre común: Araña Tigre
Lugar de captura: Isla Beata, Republica Dominicana
Por : Cimarron mayor Panta
Kingdom:Animalia
Phylum:Arthropoda
Subphylum:Chelicerata
Class:Arachnida
Order:Araneae
Infraorder:Araneomorphae
Family:Araneidae
Genus:Argiope
Species:A. argentata
Binomial name
Argiope argentata
Nombre común: Araña Tigre
Lugar de captura: Isla Beata, Republica Dominicana
Por : Cimarron mayor Panta
Kingdom:Animalia
Phylum:Arthropoda
Subphylum:Chelicerata
Class:Arachnida
Order:Araneae
Infraorder:Araneomorphae
Family:Araneidae
Genus:Argiope
Species:A. argentata
Binomial name
Argiope argentata
Nombre común: Araña Tigre
Lugar de captura: Isla Beata, Republica Dominicana
Por : Cimarron mayor Panta
Kingdom:Animalia
Phylum:Arthropoda
Subphylum:Chelicerata
Class:Arachnida
Order:Araneae
Infraorder:Araneomorphae
Family:Araneidae
Genus:Argiope
Species:A. argentata
Binomial name
Argiope argentata
Nombre común: Araña Tigre
Lugar de captura: Isla Beata, Republica Dominicana
Por : Cimarron mayor Panta