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Psalmopoeus cambridgei, the Trinidad chevron tarantula, is a species of spider in the family Theraphosidae, endemic to Trinidad. Its venom is the source of psalmotoxin and vanillotoxin which are classified as inhibitor cystine knot proteins. Psalmotoxin may be of therapeutic use in patients with a stroke.
Psalmopoeus irminia are unique in their striking black coloration paired with vibrant orange chevron and leg markings. Like other Psalmopoeus, this species can often be found in tree cavities at a medium height. Females reach six inches in diagonal leg span on average while males can reach 5 inches.
Trinidad and Tobago is home to about 99 species of terrestrial mammals. About 65 of the mammalian species in the islands are bats (including cave roosting, tree and cavity roosting bats and even foliage-tent-making bats; all with widely differing diets from nectar and fruit, to insects, small vertebrates such as fish, frogs, small birds and rodents and even those that consume vertebrate blood).
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Jo-Anne Nina Sewlal (29 March 1979 - 20 January 2020) was a Trinidad and Tobago arachnologist. She discovered several new species of spiders in Trinidad and Tobago, and published some of the first surveys of spider populations in many countries of the Caribbean.
Micrathena, known as spiny orbweavers, is a genus of orb-weaver spiders first described by Carl Jakob Sundevall in 1833. [5] [6] Micrathena contains more than a hundred species, most of them Neotropical woodland-dwelling species.
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The Agelenidae are a large family of spiders in the suborder Araneomorphae.Well-known examples include the common "grass spiders" of the genus Agelenopsis.Nearly all Agelenidae are harmless to humans, but the bite of the hobo spider (Eratigena agrestis) may be medically significant, and some evidence suggests it might cause necrotic lesions, [1] but the matter remains subject to debate. [2]