Not happy with the results from the from the tool so here you go. Save my name, email, and website in this browser for the next time I comment. I didnt notice the red mark on its back until it was out in the sun. Your email address will not be published. The red-spotted ant mimic spider does not build a web to capture its prey as a hunting spider. The abdomen of the spider is always black with at least four lateral white or light gray stripes. In addition to the ant-like coloration, the abdomen has white scale-like setae. I went thru your rigamarole, which was very thorough indeed, but cant figure it out. This appears to be another ant mimic spider, possibly in the genus Castianeira. Found in my bathroom this morning in Central Ohio. There are several species that can look very similar to yours, so I cant ID the spider on a species level. Based on collected data, the geographic range for Castianeira longipalpa includes 2 countries and 9 states in the United States. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'usaspiders_com-banner-1','ezslot_10',108,'0','0'])};__ez_fad_position('div-gpt-ad-usaspiders_com-banner-1-0'); The long-palped ant mimic spider is found throughout the Eastern United States, east of the Rocky Mountains. The small black spider with at least four white lines along its abdomen is not medically significant. Castianeira crocata - Wikipedia 18 Types of Spiders in Alaska - Fauna Facts Castianeira longipalpa, sometimeys referred to as the long-palped ant mimic sac spider is found along the Eastern United States as well as in the Pacific Northwest. The spider genus Castianeira (inthe family Corinnidae) is one of my favourites. Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming. German entomologist L. Koch first described this species in 1841. so all the photographs in this post are real treasures. except for pests. You can compare information of this spider to learn more about it: https://usaspiders.com/castaniera-descripta-red-spotted-ant-mimic-spider/. Unidentified spider in Winston-Salem, North Carolina United States We should be able to ID the following species by their distinct abdominal patterns: Exact distribution within these countries will be added when time permits. The Spider later chases the ants. Castianeira crocata Quick Facts Did You Know French arachnologist Nicholas Marcellus Hentz first described this species in 1847. It is found in parts of North America. Wow! Probably Castianeira longipalpa or C. variata: https://usaspiders.com/castianeira-longipalpa-long-palped-ant-mimic-sac-spider/. Photo: Sean McCann. Photo: Sean McCann. As a hunter spider, the red-spotted ant mimic spider does not build a web to catch its prey. Hence, it is found in the following U.S. States: Alabama, Arkansas, Connecticut, Delaware, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Nebraska, New Hampshire, New Jersey, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Vermont, Virginia, Washington, West Virginia and Wisconsin. red or brown, similar to the color of ants.They also have a white, scaly appearance on their abdomen. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'usaspiders_com-box-4','ezslot_9',107,'0','0'])};__ez_fad_position('div-gpt-ad-usaspiders_com-box-4-0');As other spiders of the Corinnidae family, the long-palped ant mimic spider is a hunter spider. Castianeira crocata is a species of true spider in the family Corinnidae, sometimes called by the common name red stripe spider. Male Myrmarachne formicaria. Found this walking across my kitchen floor in California. There are currently 128 known speciesin the genus, so I will only be able to highlight a small number in this post. Velvet ant from French Guiana. That will be the case in all spider species. Myrmecomorphy and myrmecophily in spiders: a review. The rear pair of legs are the longest, and the front pair are second longest. 17 Spiders that are Red (A to Z List with Pictures) Other Characteristic Features: They are similar in appearance to true black widow spiders. Red spotted ant mimic spidershave hairy and glossy legs. Can someone verify? Obviously, looking like a velvet ant isnt going to fool anyone if its so dark they cant see how brightlycoloured you are. Required fields are marked *. I took a picture but he was hiding under a piece of grass. The bite will cause swelling, comparable to a bee sting. Hi Raven, this is an ant mimicking spider of the genus Castianeira. We are always happy to receive more if you find some spiders in your area. 1724). Found in Castle Pines Colorado in driveway, Hi Peggy, this is an ant mimicking spider of the genus Castianeira: https://usaspiders.com/castaniera-descripta-red-spotted-ant-mimic-spider/. They might benefit by looking ant-like to predators who find ants distasteful (and dont look too closely). [6] The opisthosoma is not constricted,[7] and has an elongate to oval shape to mimic that of ants. The top of the spider has a few white stripes on its body in the back, almost like a zebra spider does. Castianeira descripta, more commonly know as the red-spotted ant mimic spider gets its common name from the similar look and behavior to ants. Found this in my sink this morningwhat is it? This is their way of shielding themselves against predators. Therefore, there is no guarantee that all images on this overview actually reflect C. longipalpa. They only bite if threatened and the venom they produce is not very deadly to humans. 138(5): 163-325. Red-spotted Ant Mimic Spider - Insect Identification These spiders are supposed to be active during the day, so it was interesting to find this one running aroundin the dark while we were out with our headlamps searching for wolf spiders. It does not build a web to catch its prey but actively hunt ants and other small critters. Fun fact : These spiders are very fast and not often captured either literally or. Hello John, thanks for getting in touch! Castianeira spiders have been sighted 74 times by contributing members. There are a number of similar-looking species in that genus. Its not a medically significant spider: https://usaspiders.com/castaniera-descripta-red-spotted-ant-mimic-spider/. 2007. Castianeira has also been sighted in the following states: California, Florida, Georgia, Idaho, Illinois, Kansas, Kentucky, Massachusetts, Mississippi, Montana, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, West Virginia, Wisconsin.
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