scholarly journals A taxonomic revision of the Neotropical genus Cremastosperma (Annonaceae), including five new species

PhytoKeys ◽  
2018 ◽  
Vol 112 ◽  
pp. 1-141
Author(s):  
Michael D. Pirie ◽  
Lars W. Chatrou ◽  
Paul J. M. Maas

We present a taxonomic revision of Cremastosperma, a genus of Neotropical Annonaceae occurring in lowland to premontane wet forest, mostly in areas surrounding the Andean mountain chain. We recognise 34 species, describing five as new here: from east of the Andes, C.brachypodum Pirie & Chatrou, sp. nov. and C.dolichopodum Pirie & Maas, sp. nov., endemic to Peru; C.confusum Pirie, sp. nov., from southern Peru and adjacent Bolivia and Brazil; and C.alticola Pirie & Chatrou, sp. nov., at higher elevations in northern Peru and Ecuador; and from west of the Andes, C.osicola Pirie & Chatrou, sp. nov. endemic to Costa Rica, the most northerly distributed species of the genus. We provide an identification key, document diagnostic characters and distributions and provide illustrations and extensive lists of specimens, also presenting the latter in the form of mapping data with embedded links to images available online. Of the 34 species, 22 are regional endemics. On the basis of the extent of occurrence and area of occupancy of species estimated from the distribution data, we designate IUCN threat categries for all species. Fourteen species proved to be endangered (EN) and a further one critically endangered (CR), reflecting their rarity and narrow known distributions.

Zootaxa ◽  
2011 ◽  
Vol 2869 (1) ◽  
pp. 1 ◽  
Author(s):  
MARCELO JOSÉ STURARO ◽  
TERESA C. S. AVILA-PIRES

The Gonatodes concinnatus complex, as here considered, consists of Gonatodes species characterized by a white suprahumeral spot with black margins; vermiculations or not on back; and transversely enlarged scales under the tail, showing the sequence 1’1’1”, and in some specimens 1’1’2” on the anterior portion. Two species are presently recognized in this Amazonian complex: G. concinnatus and G. tapajonicus. New material collected in eastern Amazonia (states of Pará and Amapá, Brazil) made it necessary to review these species. We analyzed several populations within this complex, from Colombia, Ecuador, Peru, Venezuela and Brazil, including these new records. Specimens were separated in groups defined on basis of color pattern. Stepwise discriminant function analyses were then performed to compare the external morphology (measurements and scale counts) in these groups. Results support recognition of five taxa, corresponding to G. concinnatus from western Amazonia, in Ecuador and northern Peru; G. ligiae from northwestern Venezuela (east of the Andes); G. tapajonicus, from the Tapajós river basin, in Pará, Brazil; and two new species, one from eastern Amazonia, in the states of Pará (north and south of the Amazon river) and Amapá, Brazil, and another from central Colombia, east of the Andes. Diagnoses and descriptions of all species are presented.


Zootaxa ◽  
2018 ◽  
Vol 4531 (4) ◽  
pp. 451
Author(s):  
DIEGO AGUILAR FACHIN ◽  
MARTIN HAUSER

The Neotropical genus Himantigera James in James & McFadden, 1982, is revised. Two new species are described and illustrated—H. amauroptera nov. sp. (Costa Rica, Panama, Colombia), and H. xanthopoda nov. sp. (Mexico, Nicaragua, Costa Rica). Three species are transferred from Himantigera to Sargus Fabricius, 1798—S. dichrous (Schiner, 1868) comb. nov., S. flavoniger Lindner, 1928 comb. rev. and S. fulvithorax (Bigot, 1879) comb. nov. One species is transferred to Microchrysa Loew, 1855—M. splendens (Schiner, 1868) comb. nov. Himantigera jamesi Lindner, 1969 syn. nov. is proposed as a junior synonym of H. superba Lindner, 1949. The type species H. silvestris McFadden, 1982, as well as H. nigrifemorata Macquart, 1847 and H. superba Lindner, are herein redescribed and illustrated. Photographs of the type specimens of these three species are provided. Two unnamed species of Himantigera (sp. A and sp. B) are also described given that they have slight differences, but because we had only one specimen of each species, we did not officially describe them. This updates the total number of extant Himantigera from eight sensu Woodley (2001) to seven species. The species Merosargus apicalis Lindner, 1935, although never referred to the genus Himantigera or Himantoloba McFadden 1970, is also transferred to the genus Sargus. A key to all species of Himantigera and a map expanding geographical distribution of the genus are also presented, with the first records of the genus for Nicaragua, Colombia, Venezuela, Trinidad and Tobago, Ecuador and Bolivia. 


2021 ◽  
Vol 5 (2) ◽  
pp. 177-187
Author(s):  
Lourdes Y. Echevarría ◽  
Pablo J. Venegas ◽  
Luis A. García-Ayachi ◽  
Pedro M. Sales Nunes

We describe a new species of Selvasaura from the montane forests of the eastern slopes of the Andes in northern Peru, based on external and hemipenial morphological characters and previous phylogenetic analyses. The new species can be differentiated from the other two Selvasaura species in having keeled dorsal scales usually flanked by longitudinal striations, in adults and juveniles; adult males with a yellow vertebral stripe bordered by broad dark brown stripes on each side and a unilobed hemipenis surrounded by the branches of the sulcus spermaticus. The description of the new species contributes information about new states of diagnostic characters of Selvasaura and natural history.


Zootaxa ◽  
2019 ◽  
Vol 4685 (1) ◽  
pp. 1-67 ◽  
Author(s):  
IRENE LOBATO-VILA ◽  
JULI PUJADE-VILLAR

A taxonomic revision of the tribe Ceroptresini (Hymenoptera: Cynipidae) is conducted for the first time. Prior to this study, the total number of valid species of Ceroptres, the only genus within Ceroptresini to date, was 23. As a result of this revision, 15 Ceroptres species are retained as valid and one species, Amblynotus ensiger Walsh, 1864, is desynonymized from Ceroptres petiolicola (Osten-Sacken, 1861), being considered here as a valid Ceroptres species: C. ensiger (Walsh, 1864) status verified and comb. nov. An additional five new species are described from Mexico: Ceroptres junquerasi Lobato-Vila & Pujade-Villar sp. nov.; C. lenis Lobato-Vila & Pujade-Villar sp. nov.; C. mexicanus Lobato-Vila & Pujade-Villar sp. nov.; C. nigricrus Lobato-Vila & Pujade-Villar sp. nov.; C. quadratifacies Lobato-Vila & Pujade-Villar sp. nov., increasing the total number of valid Ceroptres species to 21. Ceroptres masudai Abe, 1997 is synonymized with C. kovalevi Belizin, 1973. Ceroptres niger Fullaway, 1911 is transferred to Andricus (Andricus confusus Lobato-Vila & Pujade-Villar comb. nov. and nom. nov.). Five species (Amblynotus inermis Walsh, 1864; Cynips quercusarbos Fitch, 1859; Cynips querficus Fitch, 1859; Cynips quercuspisum Fitch, 1859; and Cynips quercustuber Fitch, 1859) are not considered as valid Ceroptres. The status of Ceroptres quereicola (Shinji, 1938), previously classified as an unplaced species, is commented on. In addition, a Nearctic species from the USA, Ceroptres politus Ashmead, 1896, is here proposed as the type species of a new genus within Ceroptresini: Buffingtonella Lobato-Vila & Pujade-Villar gen. nov. Redescriptions, biological and distribution data, illustrations and keys to genera and species within Ceroptresini are provided. The diagnostic morphological traits of Ceroptresini, Ceroptres and the new genus are discussed. 


Zootaxa ◽  
2004 ◽  
Vol 662 (1) ◽  
pp. 1 ◽  
Author(s):  
TERRY L. ERWIN

Eight genera and eighteen species of the Cryptobatida group of subtribe Agrina, Lebiini, living in Costa Rica are diagnosed, described, illustrated or referenced and new species assigned to inclusive genera. Occurrences of some taxa outside of Costa Rica are also reported, these ranging from Texas to Argentina. Subtribe Agrina consists of those species formerly included in the Subtribe Calleidina. Four new species of Aspasiola Chaudoir 1877 are described: A. bonita Erwin, n. sp. (COSTA RICA. PUNTARENAS, Peninsula de Osa, P.N. Corcovado, Estaci n Sirena, 0 100 m, 08 28' 0 N, 083 35' 0 W, LS270500, 508300), A. osa Erwin, n. sp. (COSTA RICA. PUNTARENAS, Peninsula de Osa, P.N. Corcovado, Estaci n Sirena, upper Ollas Trail, 30 150 m, 08 29' 00 N, 083 34' 39 W), A. selva Erwin, n. sp. (COSTA RICA. HEREDIA, Estaci n Biol gica La Selva, 3.0 km S Puerto Viejo, Finca La Selva, 50 150 m, 10 25' 55 N, 084 00' 32 W, LN535500, 268000), A. steineri Erwin n. sp. (COSTA RICA. HEREDIA, Estaci n Biol gica La Selva, 3.0 km S Puerto Viejo, Finca La Selva, 50 150 m, 10 25' 55 N, 084 00' 32 W, LN535500, 268000). Two new species of Hyboptera Chaudoir 1872 are described: H. apollonia Erwin n. sp. (PANAM , COL N, Porto Bello, 113 m, 09 33' 0 N, 079 39' 0 W), H. auxiliadora Erwin n. sp. (USA. TEXAS, Hidalgo County, Mission; Bentsen State Park, 26 10' 22" N, 098 22' 56" W). Alkestis Liebke 1939 is a nomen dubium and possible junior synonym of Lelis Chaudoir 1869. Aspasiola rutilans ignea Bates 1883 is changed to full species, Aspasiola ignea Bates new status. Pseudolebia Basilewsky 1942 is NOT a synonym of Onota Chaudoir 1872. Pseudometabletus Liebke 1930 is a junior synonym of Cylindronotum Putzeys 1846. Pseudotoglossa rufitarsis nigrescens Mateu 1961:177 is a junior synonym of Pseudotoglossa terminalis (Chaudoir). An identification key is provided to the genera of the Cryptobatida Group and additional keys are provided for those genera with more than one species occurring in Costa Rica. Distribution data is provided for all species including their known occurrence outside of Costa Rica in adjacent Panam and Nicaragua, and other countries. Adults of species of Aspasiola, Cryptobatis, Otoglossa and Hyboptera are known to occur on shelf fungi on rotting logs and have also been fogged from the canopy of tropical trees (which probably contained shelf fungi on dead branches); adults of species of Cylindronotum, Onota, Pseudotoglossa, Valeriaaschero have also been fogged from the canopy of tropical trees and likely adults of Onota and Pseudotoglossa collected from rotten logs were associated with fungi.


Zootaxa ◽  
2017 ◽  
Vol 4242 (3) ◽  
pp. 401 ◽  
Author(s):  
NATALI HURTADO ◽  
VÍCTOR PACHECO

The large spiny mouse Neacomys spinosus (Thomas, 1882) has been considered the widest ranging species of the genus, occurring in southern Colombia, eastern Peru, western Brazil and northern Bolivia. The morphological variation between subspecies and populations of N. spinosus has been noted; nonetheless, this variation has not been assessed in a morphological or molecular context. Here, we present a taxonomic revision of Neacomys spinosus s.l. using qualitative and quantitative morphological analyses. These analyses were complemented with molecular analysis to reconstruct the phylogenetic relationships among species of Neacomys, based on sequences of the cytochrome b gene. Our results reveal that N. spinosus s.l. is a monophyletic group, and morphological and molecular evidence to differentiate three taxa: N. spinosus s.s., an endemic species from mountain cloud forests in Peru; N. amoenus s.l. from the Cerrado between Bolivia and Brazil to the Amazonia between Ecuador and northern Peru, and Neacomys sp. nov. from mountain cloud forests from southern Peru to Bolivia. Also, our molecular results indicate that Neacomys is still far from being completely known. For instance, there are three candidate species pending of taxonomic revision. Finally, we propose three species groups within Neacomys: “paracou”, “tenuipes” and “spinosus”, and discuss biogeographical scenarios of the genus within South America. 


2015 ◽  
Vol 46 (3) ◽  
pp. 221-267 ◽  
Author(s):  
Francesco Lombardo ◽  
Rita Umbriaco ◽  
Salvatrice Ippolito

A full taxonomic revision of the Neotropical genusParastagmatopteraSaussure is presented, including the description of two new species:Parastagmatoptera bororoisp.n. andParastagmatoptera sottileisp.n.The following species are synonyms:Parastagmatoptera tessellataSaussure & Zehntnersyn.n.(male nec female) andParastagmatoptera hoorieCaudellsyn.n.ofParastagmatoptera flavoguttata(Serville);Parastagmatoptera confusaG.-Tossyn.n.ofParastagmatoptera pellucidaG.-Tos;Parastagmatoptera tessellataSaussure & Zehntnersyn.n.(female nec male),Parastagmatoptera serricornisKirbysyn.n.andParastagmatoptera vitrepennisBrunersyn.n.ofParastagmatoptera unipunctata(Burmeister);Parastagmatoptera concolorJantschsyn.n.ofParastagmatoptera theresopolitanaG.-Tos.Parastagmatoptera vitreola(Stål), previously treated as a synonym ofParastagmatoptera flavoguttatais returned to species status;P. flavoguttata var. immaculataChopard is recognized as a valid species.Parastagmatoptera amazonicaWerner andParastagmatoptera glauca(Rehn) are transferred to the subfamily Photinainae. In total, nine species are recognized, each of which is presented with a diagnosis, a full description, assessments, distribution data and a comprehensive bibliography. A taxonomic history of the genus and its species is provided. A key to allParastagmatopteraspecies is included and each is fully illustrated. Comments about the biogeography ofParastagmatopteraare also presented.


Zootaxa ◽  
2020 ◽  
Vol 4885 (3) ◽  
pp. 437-446
Author(s):  
PAULA RAILE RICCARDI ◽  
ZEINAB BAZYAR ◽  
BARBARA ISMAY

The monotypic genus Metasiphonella, originally described from Costa Rica, is now formally recorded from South America with a new species from Brazil—M. amorimi sp. nov. The taxonomic revision includes a detailed description of adult external morphology, female and male terminalia, and the egg stage for all species. A lectotype of M. magnifica Duda is designated and new country records are given. 


Zootaxa ◽  
2005 ◽  
Vol 797 (1) ◽  
pp. 1 ◽  
Author(s):  
JASON P.W. HALL ◽  
KEITH R. WILLMOTT ◽  
ROBERT C. BUSBY

Five new species of Penaincisalia (Lycaenidae: Eumaeini) are described from the high Andes of southern Ecuador and northern Peru: P. caeruleanota Hall & Willmott n. sp., P. juliae Hall & Willmott n. sp., P. andreae Busby & Hall n. sp., P. libertada Hall n. sp. and P. ismaeli Busby & Hall n. sp.. We present brief discussions on their systematic placement within the genus and on their adult ecology.


2021 ◽  
Author(s):  
◽  
Phil J. Sirvid

<p>The New Zealand Thomisidae (crab spiders) are represented in New Zealand by two subfamilies (Stephanopinae and Thomisinae) and were used as a model group to test two competing theories on the origins of the New Zealand spider fauna. The New Zealand thomisids are also given their first full taxonomic revision. The two origin models essentially represent species radiations following recent dispersal or ancient vicariance events. Modern distribution data suggested that the stephanopines are poor dispersers and may provide evidence demonstrating a long period of separation from Australia; while in contrast, thomisines are known to be excellent dispersers. Maximum Likelihood and Bayesian analyses of cytochrome c suboxidase subunit I (COI), 28S ribosomal RNA (28S), histone H3 (H3), NADH dehyrogenase 1 (ND1) data and a combined genetic dataset was undertaken. Results indicate New Zealand stephanopines and thomisines form distinct endemic groups separate from sampled Australian species and appear to have separated from them around 5-6 million years ago. Additionally, genetic data from this study showed i) colour variations are not indicative of cryptic species; ii) previously described species are genetically distinct; iii) several suspected new species are also genetically distinct; iv) the relatively recent establishment of two Australian stephanopines and the occurrence of similar COI haplotypes in disjunct locations suggest that the dispersal ability of stephanopines is greater than previously thought and that radiation following colonization from Australia is a plausible explanation for the current diversity of the New Zealand thomisid biota. The taxonomic revision raises the number of described species from eight to eleven based on a combination of morphological and genetic data. In the stephanopines, Bryantymella Gen. nov. is erected to contain the type species Bryantymella angularis (Urquhart, 1885) comb. nov. as well as B. angulata (Urquhart, 1885) comb. nov., B. thorini sp. nov. and B. brevirostris sp. nov. Two Australian species, Sidymella longipes (Koch, 1874) and S. trapezia (Koch, 1874), are also recorded for New Zealand. Sidymella benhami (Hogg, 1910) is considered to be a junior synonym of Bryantymella angulata (Urquhart, 1885). In the thomisines, all species are now included in the previously monotypic genus Cymbachina Bryant, 1933. The genus now encompasses the type species C. albobrunnea (Urquhart, 1893), C. ambara (Urquhart, 1885) comb. nov., C. albolimbata (L. Koch, 1893) comb. nov., C. sphaeroides (Urquhart, 1885) comb. nov. and D. urquharti sp. nov. Synema suteri Dahl, 1907 is regarded as a junior synonym of C. ambara (L. Koch 1893). All previously described species are redescribed to a modern standard and sexes for some species are described for the first time. Three new species are described. Photographs of adults and diagnostic genitalic characters are included, as are diagnostic keys and updated synonymic, geographic and biological information. Overall, this study indicates that New Zealand thomisids appear to have split from their Australian relatives some 5-6 million years ago and taken in concert with the recent establishment of two Australian stephanopine species, it appears that dispersal to New Zealand by Australian colonists and subsequent radiation into endemic New Zealand forms is a plausible explanation for the current state of the fauna. Genetic and morphological data are mutually supporting and in concert have helped inform the first taxonomic revision ever undertaken for this family in New Zealand.</p>


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