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![]() Therefore, in this review 56 of the species are described from only one sex, whereas 20 unmatched species are informally described as morphospecies, pending the discovery of conspecific sexes. Matching sexes was occasionally problematic while females are very homogeneous in somatic traits, males may have modifications on different parts of the body, making the matching very difficult. ![]() After the study of the principal collections of the world and several field trips to several South American countries, we describe 85 new species and redescribe all previously known species. In the past, six species were known from the Americas: five from the United States and only one from South America, described from Venezuela. In this work, we revise the American representatives of Orchestina in a comprehensive context for the first time. Most American species of Orchestina inhabit the forest foliage and canopy, but in unforested areas they also occur in shrubs and grasses. All these characters, together with molecular evidence, support the monophyly of the genus, as well as its placement as sister group of Oonopinae. The genus is also characterized by having a well-sclerotized sperm duct, a near H-shaped arrangement of the eye group, a 4-4-3-3 pattern of raised receptors on the tarsal organs of the legs I–IV, respectively, and by lacking spines on all the legs. ![]() The genus Orchestina Simon is distributed worldwide and is characterized by having an enlarged fourth femur with which these species are capable of jumping.
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