![]() ![]() Most species have a particular mating season, usually spring, summer or autumn, and for many species no mature males can be found except during For these reasons you may find some spider specimens impossible to identify with certainty. Sometimes the sex of a living spider cannot be determined until it becomes an adult and in fact adult female mygalomorphs also tend to be difficult to identify to speciesīecause they do not have genitalia that are clearly visible without prior dissection. They can also be expected to have immature or non-existent visible mating apparatus and differences in marking patterns. Young instars (with the possible exception of the penultimate one) will normally be smaller than anĪdult of the same species. Spider has reached adulthood and is sexually mature but at least some mygalomorph species are claimed to be able to go on moultingĮven as adults. Moulting during which the tough exoskeleton (skin) is shed so the spider can grow bigger. Moving from one stage to the next involves the process of Most spiders pass through five or six immature stages called instarsīefore reaching adulthood although in rare instances maturity may be reached in fewer steps. Is your spider an adult or is it an immature spiderling? All mature male spiders have the terminal segments of their In size, markings and general appearance. Males and females of the same spider species are sometimes very different To you, visit the glossary page for a set ![]() If some of the terminology used is unfamiliar This guide contains at least one image of the spider as well as some The physical characteristics of a spider are of great importance when its If your ambitions are more modest but you do have a spider you would like to identify, a good way to start might be to seek answers to at least some The identification conventions page that has now been added to the Find-a-spider website. If you are such a person you might like to visit Visitors to this website who do not have an extensive knowledge of spiderĬlassification may even be confused or overwhelmed by the terminology associated with spider recognition. This is partly because individuals of two different species sometimes look very similar to one another or, conversely, two individuals of the same species showĮnough variability in physical appearance to be perceived as being different species. The majority of spider species are not easily identified by the non-expert. ![]()
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