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Twenty Seven Species Of The Goblin Spider Genus Neoxyphinus Birabcn 1953 Araneae Oonopidae From Brazil
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Book Synopsis Twenty-seven Species of the Goblin Spider Genus Neoxyphinus Birabén, 1953 (Araneae: Oonopidae) from Brazil by : Níthomas M. Feitosa
Download or read book Twenty-seven Species of the Goblin Spider Genus Neoxyphinus Birabén, 1953 (Araneae: Oonopidae) from Brazil written by Níthomas M. Feitosa and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Goblin Spider Genus Pescennina (Araneae, Oonopidae) by : Norman I. Platnick
Download or read book The Goblin Spider Genus Pescennina (Araneae, Oonopidae) written by Norman I. Platnick and published by . This book was released on 2011 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goblin spider genus Pescennina Simon has been known only from females of its type species from Venezuela, whereas the more recently described genus Marsupopaea Cooke has been known only from males taken in Colombia. Discovery of the missing sexes, in both cases, indicates that these spiders belong to the Scaphiella complex; males have dorsal abdominal scuta that are absent in females. The presence, in the males of both type species, of a terminal, coiled embolus that can be held in an excavated "pouch" at the anterior edge of the sternum and is matched by coiled anterior ducts in the female genitalia, suggests that these taxa are congeneric. Marsupopaea is therefore newly synonymized with Pescennina, and its type species, M. sturmi Cooke, is placed as a junior synonym of P. cupida (Keyserling). Species of Pescennina occur widely in North, Central, and South America; many are apparently ant mimics, with color patterns (and sometimes a constricted abdomen) that enhance their antlike appearance. Although most of the species seem to be ground dwelling, with the extremely narrow geographic ranges typical of goblin spiders, at least four species inhabit the forest canopy, and at least one of those species is much more widespread. Males of the type species, P. epularis Simon, and females of P. cupida (Keyserling) are described for the first time; 16 new species are described: P. iviei, P. gertschi, P. sumidero, and P. ibarrai from Mexico; P. murphyorum from Nicaragua and Costa Rica; P. viquezi from Costa Rica; P. laselva from Costa Rica and Panama; P. fusca from Panama; P. arborea from Panama, Colombia, and Ecuador; P. magdalena and P. sasaima from Colombia; P. orellana from Ecuador; P. piura and P. loreto from Peru; P. grismadoi from Bolivia; and P. otti from southern Brazil.
Book Synopsis The Goblin Spider Genus Ischnothyreus (Araneae, Oonopidae) in the New World by : Norman I. Platnick
Download or read book The Goblin Spider Genus Ischnothyreus (Araneae, Oonopidae) in the New World written by Norman I. Platnick and published by . This book was released on 2012 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although originally described from St. Vincent in the Lesser Antilles, the goblin spider genus Ischnothyreus Simon appears to be an Old World taxon that is represented in the New World only by two presumably introduced, pantropical, synanthropic species: I. peltifer (Simon) and I. velox Jackson. Two specific names based on New World specimens (I. barrowsi Chamberlin and Ivie from Florida, and I. indressus Chickering from the Lesser Antilles) are placed as junior synonyms of I. velox, which is newly recorded from Mexico, Panama, Jamaica, Hispaniola, Venezuela, Brazil, Madagascar, the Philippines, the Marshall Islands, Hawaii, the Marquesas Islands, and New Caledonia. A third species, I. browni Chickering, that is supposedly from Costa Rica was apparently based on mislabeled specimens that are actually from the Philippines. The type specimens of I. browni resemble those of the Seychelle species Ischnothyrella jivani (Benoit) in that the dorsal abdominal scutum of males is extremely weak and that of females is either greatly reduced or entirely lost. Both species nevertheless share the synapomorphies of Ischnothyreus, and the generic name Ischnothyrella Saaristo is therefore placed as a junior synonym of Ischnothyreus.
Book Synopsis The South American Goblin Spiders of the New Genera Pseudodysderina and Tinadysderina (Araneae, Oonopidae) by : Norman I. Platnick
Download or read book The South American Goblin Spiders of the New Genera Pseudodysderina and Tinadysderina (Araneae, Oonopidae) written by Norman I. Platnick and published by . This book was released on 2013 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt: A new genus, Pseudodysderina, is established for a group of species that resemble those of Dysderina Simon in having grooves connecting both the anterior and posterior spiracles. These spiders have transverse ridges on the sternum but lack the sternal excavations that characterize Dysderina and are instead united by the highly modified mouthparts of males: the labium is greatly enlarged, with a dorsoventrally flat, posterior portion that extends far posterior of the anterolateral corners of the sternum, and the endites are each deeply excavated, medially around the sides of the labium and laterally around the base of the palpal trochanter. Dysderina desultrix (Keyserling), from Peru, is transferred to Pseudodysderina and chosen as the type species; its male is described for the first time. This species has been taken by canopy fogging and beating foliage as well as in leaf litter, and appears to be widespread in the Amazonian portions of Colombia, Ecuador, Peru, and Brazil. Seven more narrowly distributed new species are described from Peru (P. manu), Bolivia (P. yungas, P. beni), Ecuador (P. hermani), Colombia (P. suiza, P. dracula), and Brazil (P. utinga). The six new species assigned to the new genus Tinadysderina resemble those of Dysderina and Pseudodysderina, but have a much smaller, simpler, weakly sclerotized embolus; they are known only from the western slopes of the Andes in Ecuador (T. tinalandia, T. otonga) and Colombia (T. planada, T. gorgona, T. bremen, T. pereira).
Book Synopsis The Goblin Spider Genus Khamisia and Its Relatives (Araneae, Oonopidae) by : Norman I. Platnick
Download or read book The Goblin Spider Genus Khamisia and Its Relatives (Araneae, Oonopidae) written by Norman I. Platnick and published by . This book was released on 2015 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goblin spider genus Khamisia Saaristo and van Harten was based on a single female from Yemen characterized by large lateral extensions of the sternum that widely separate coxae II and III. Three new species, including the first known males of the genus, are described: K. hayer from the United Arab Emirates, K. atlit from Israel, and K. holmi from Kenya. All these species are united by having only two trichobothria on the palpal tibia; K. hayer has apparently been introduced into Cape Verde. Other specimens with a similarly modified sternum have been found in Africa, Madagascar, and the Virgin Islands, but differ in having the normal set of three trichobothria on the palpal tibia. The new genus Khamisina is established for three new species that also differ in having an abdominal color pattern, a punctate sternum, and uniquely shaped cheliceral setae: K. kivu from DR Congo, K. kilifi from Kenya, and K. ibadan from Nigeria. A second new genus, Khamiscar, is established for six new species from Madagascar in which the sternum is widened posteriorly and bears marginal radiating ridges, and the tarsal organs have only a single raised receptor: K. anta, K. maro, K. tola, K. kiri, K. baly, and K. ambi. A third new genus, Khamisoides, is established for three bizarre new species from the Virgin Islands (K. muchmorei from St. Croix; K. edwardsi and K. calabash from St. John) that differ in having only two eyes, fused posterior median spinnerets, and female genitalia with a pair of lateral receptacula and anteriorly directed apodemes.
Book Synopsis The Goblin Spider Genus Ischnothyreus (Araneae, Oonopidae) in Java and Sumatra by : Miguel Richard
Download or read book The Goblin Spider Genus Ischnothyreus (Araneae, Oonopidae) in Java and Sumatra written by Miguel Richard and published by . This book was released on 2016 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Goblin Spider Genus Pelicinus (Araneae, Oonopidae). by : Norman I. Platnick
Download or read book The Goblin Spider Genus Pelicinus (Araneae, Oonopidae). written by Norman I. Platnick and published by . This book was released on 2012 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although Pelicinus Simon and its type species P. marmoratus Simon were initially described from Saint Vincent in the Lesser Antilles, we hypothesize that Pelicinus is primarily an Old World genus, occurring natively in both southern Asia and Australasia. The type species has attained an anomalously pantropical distribution, and has been described at least eight times, in at least seven different genera; all those synonyms were based on island populations. Myrmopopaea jacobsoni Reimoser from Sumatra, Gamasomorpha minima Berland from the Phoenix Islands, Triaeris pusillus (Bryant) from the Virgin Islands, Scaphiella ula Suman from Hawaii, and P. mahei (Benoit) from the Seychelles are newly synonymized with P. marmoratus, and the species is newly recorded from the Bahama Islands, Brazil, Kenya, and the Marshall Islands. Myrmopopaea Reimoser and Harryoonops Makhan and Ezzatpanah are placed as junior synonyms of Pelicinus. The bulk of the species-level diversity of Pelicinus occurs in Australia. Here we treat only those members of the genus that occur outside that continent; 16 new species are described from Iran (P. sengleti), India (P. lachivala, P. madurai), Thailand (P. deelemanae, P. schwendingeri, P. sayam, P. khao), Laos (P. tham), Vietnam (P. duong), Malaysia (P. penang, P. johor), the Solomon Islands (P. churchillae), Fiji (P. raveni), and New Caledonia (P. monteithi, P. damieu, P. koghis).
Book Synopsis The Amazonian Goblin Spiders of the New Genus Gradunguloonops (Araneae by : Cristian J. Grismado
Download or read book The Amazonian Goblin Spiders of the New Genus Gradunguloonops (Araneae written by Cristian J. Grismado and published by . This book was released on 2015 with total page 67 pages. Available in PDF, EPUB and Kindle. Book excerpt: A new genus of soft-bodied oonopids, Gradunguloonops, is established for a group of goblin spiders found in the Amazonian rainforests of northern South America. Members of this genus differ from other oonopids in that the proclaw of tarsi I and II is notably larger than the corresponding retroclaw, a putative synapomorphy of the group. Gradunguloonopscomprises twelve species, all new and described in this contribution: G. mutum (type species) from Brazil and Peru, G. bonaldoi, G. amazonicus, G. urucu, G. pacanari, G. juruti from Brazil, G. erwini from Peru, G. orellana and G. nadineae from Ecuador, G. benavidesae and G. florezi from Colombia, and G. raptor from Venezuela. Two preliminary intrageneric groups are proposed on the basis of their female genital morphology: the bonaldoi group, to which are assigned the species with the anterior section comprising only a single anterior sclerite, and the mutum group, with a more complex, tripartite anterior section.
