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It is an Old World tarantula, so has no urticating hairs; its only defenses are biting and fleeing. This tarantula is known to have more potent venom than many tarantula species [ citation needed ] , but Cyriopagopus albostriatus venom was shown in a study to have the ability to regulate activity in voltage-gated sodium channels, which are ...
Urticating hairs or urticating bristles are one of the primary defense mechanisms used by numerous plants, almost all New World tarantulas, and various lepidopteran caterpillars. Urtica is Latin for "nettle" (stinging nettles are in the genus Urtica ), and bristles that urticate are characteristic of this type of plant, and many other plants in ...
There are multiple ways to identify a tarantula. First the hairs: in the Americas most tarantulas have urticating hairs, though some, such as the Hemirrhagus genus, lack these. The hairs are usually more noticeable than with most other spiders. Another is the size, as tarantulas tend to be bigger, but this is again not a failproof way.
They are distinguished from true spiders by their two pairs of book lungs, vertically oriented chelicerae, and urticating setae. However, like all members of Psalmopoeus, P. irminia lack these urticating hairs but make up for it by having stronger venom compared to other New World tarantulas.
Although it has hairy legs, this tarantula is an Old World species and does not have urticating hairs on its abdomen. (Urticating hairs are hairs found in most new world species (those from North and South America) that can be shed in defence, they are barbed and may cause severe itching.) It also has a leg span which may reach 8 inches (20 cm).
They lack urticating hairs and are arboreal, often found in tree cavities. Many species have "dimples" on the abdomen, but this feature is not universal. Although their behavior is defensive, they lack both urticating hairs and the ability to stridulate, giving them a very mild venom. Their egg sacs can contain up to 200 spiderlings.
Some New World tarantulas have a dense covering of hairs called urticating hairs on the abdomen that they sometimes use as protection against enemies. [8] [9] [10] Species with urticating hairs can kick these hairs off; they are flicked into the air at a target using their back pairs of legs. These fine hairs are barbed and designed to irritate ...
This tarantula is terrestrial, and are highly irritable species. They are shy, thought they are also quite aggressive compared to other New World tarantulas . They are slow tarantulas , which would rather run than to fight, but if pressured they will throw urticating hairs towards the attacker.