A new species of Rheotanytarsus Thienemann & Bause (Diptera: Chironomidae) from Peruvian Andes, with updated key to South American species

Zootaxa ◽  
2020 ◽  
Vol 4722 (2) ◽  
pp. 195-200
Author(s):  
GALILEU P. S. DANTAS ◽  
ANA A. HUAMANTINCO ARAUJO ◽  
NEUSA HAMADA

Rheotanytarsus is a speciose genus, currently composed by more than 100 nominal species distributed worldwide, 19 are known from the Neotropical region, four from South America and only one is registered for Peru. In the present study, a new species is described and illustrated based on males collected in the Peruvian Andes. In addition, the key to the South American species is updated and a distribution map of them is provided. Rheotanytarsus amaru sp. n. is easily distinguished from the congeneric species by the dark general coloration and the hypopygial morphology. 

Zootaxa ◽  
2017 ◽  
Vol 4231 (4) ◽  
pp. 564
Author(s):  
NARELLE ESTOL ◽  
EVERTON NEI LOPES RODRIGUES

The spider family Nesticidae includes 233 species in 13 genera and is distributed almost worldwide (World Spider Catalog, 2016). However, the family is still poorly known in the Neotropical Region. The genus Nesticus Thorell, 1869 comprises 132 species and seven subspecies and was described based on N. cellulanus (Clerck, 1757), from Europe (World Spider Catalog, 2016). Meridional South American species of Nesticus were revised by Ott & Lise (2002). More recently, Faleiro & Santos (2011) described a new species from the state of Minas Gerais, Brazil and Torres et al. (2016) a new species from the province of Salta, Argentina. Nowadays, Nesticus is represented by six species in Brazil: Nesticus brasiliensis Brignoli, 1979; Nesticus brignolii Ott & Lise, 2002; Nesticus calilegua Ott & Lise, 2002; Nesticus ivone Faleiro & Santos, 2011; Nesticus potreiro Ott & Lise, 2002 and Nesticus taim Ott & Lise, 2002 (World Spider Catalog 2016). 


2020 ◽  
Vol 45 (4) ◽  
pp. 913-920
Author(s):  
Nidia Mendoza-Díaz ◽  
Marina Díaz ◽  
Patricia Brussa ◽  
Fabián Muñoz ◽  
José M. Bonifacino ◽  
...  

Abstract—Antiphytum charruasorum, a new endemic species from western Uruguay, is described. This is the only South American species in the genus with white corolla and an infra-medial cicatrix on the ventral face of the eremocarp, both features shared with the North American species of Antiphytum, in sharp contrast with the blue corolla and the basal cicatrix at the end of a stipe-like prolongation that characterizes all South American species in the genus. Antiphytum charruasorum increases the diversity of the genus in South America, as well as the endemism and distribution range into Uruguay. Moreover, this new species adds novel features in Antiphytum such as the irregularly dichasial inflorescences, the hirsute faucal appendages, the eremocarps with a tissue plug from the gynobase, and the habitat where the species has been reported.


Zootaxa ◽  
2017 ◽  
Vol 4216 (3) ◽  
pp. 261 ◽  
Author(s):  
MIGUEL SIMÓ ◽  
ARNO A. LISE ◽  
GABRIEL POMPOZZI ◽  
ÁLVARO LABORDA

Three species of the genus Allocosa Banks, 1900 from southern South America are redescribed: Allocosa alticeps (Mello-Leitão, 1944), A. brasiliensis (Petrunkevitch, 1910) and A. senex (Mello-Leitão, 1945). The female of A. senex is described for the first time and the species is revalidated. A new species, A. marindia sp. nov. from southern Uruguay and southern Brazil is described. The new species is distinguished by the flattened terminal apophysis of the male bulb and the conspicuous pointed projections on the posterior margin of the female epigynum. The species inhabits in sandy estuarine and oceanic coasts with psammophile vegetation. 


Phytotaxa ◽  
2020 ◽  
Vol 434 (2) ◽  
pp. 183-194
Author(s):  
RICARDO DE OLIVEIRA PERDIZ ◽  
DOUGLAS C. DALY ◽  
ALBERTO VICENTINI ◽  
PAUL V.A. FINE

Protium santamariae is described and illustrated. The new species is restricted to the Pacific Coast of Costa Rica but shares morphological similarities with two South American species, P. kleinii and P. krukoffii. We provide a description, a distribution map, notes on its taxonomy, and a key to distinguish it from morphologically similar species.


Zootaxa ◽  
2018 ◽  
Vol 4425 (1) ◽  
pp. 185
Author(s):  
RENATO JOSE PIRES MACHADO

A new species of Trichoscelia Westwood (Mantispidae: Symphrasinae) is described herein, T. geraldoi n. sp. This is the 16th species classified within the genus and presents a quite unusual body color pattern for the group. A key for the South American species of Trichoscelia and a checklist of the Symphrasinae species are presented. 


Phytotaxa ◽  
2015 ◽  
Vol 222 (4) ◽  
pp. 283 ◽  
Author(s):  
Simon Pfanzelt ◽  
Steven Sylvester ◽  
Lolita Ammann ◽  
Mitsy Sylvester

Gentianella viridiflora (Gentianaceae, Gentianeae, Swertiinae), here described and illustrated, is a new species from the Cordillera Vilcabamba, southern Peru. Its yellowish-green corolla distinguishes it from other South American species of the genus that share a similar set of morphological features. The new species is known only from the type locality where it occurs in grazed areas next to Polylepis woodland.


ZooKeys ◽  
2018 ◽  
Vol 790 ◽  
pp. 87-100 ◽  
Author(s):  
Yoshitaka Kamimura ◽  
Rodrigo L. Ferreira

The genusMesodiplatys(Dermaptera: Diplatyidae) comprises eight species from Madagascar and one species from Peru. Based on a sample collected from a cave in Brazil, a new species of this genus,MesodiplatysfalciferKamimura,sp. n., is described as the second species from South America. Based on a reexamination of the holotype ofMesodiplatysinsularis, a revised key toMesodiplatysspecies is provided. The definitions of the generaMesodiplatysandHaplodiplatysand the family Haplodiplatyidae are also reconsidered.


Zootaxa ◽  
2009 ◽  
Vol 2175 (1) ◽  
pp. 66-68
Author(s):  
FERNANDO CÉSAR VIEIRA ZANELLA ◽  
FELIPE VIVALLO

Centris (Paracentris) Cameron is one of the more diverse subgenera within the bee genus Centris (Moure et al. 2007), being broadly distributed in the Neotropical Region, and showing an amphitropical distribution pattern (Michener 1979). The sixteen South American species of Centris (Paracentris) (Zanella 2002; Moure et al. 2007) occur in different biomes of the continent; such as low altitudes and valleys of Central Chile and Argentina (Roig-Alsina 2000; Vivallo et al. 2003), high altitudes of the Andes (they are specially diverse in this region) and with a few species in the low mountain chains and plains of Eastern Brazil (Zanella 2002). The subgenus was recently revised by Zanella (2002) and a new species from Central Peru is described here, which augments that revision.


Zootaxa ◽  
2018 ◽  
Vol 4457 (4) ◽  
pp. 557 ◽  
Author(s):  
YANI DUAN ◽  
CHRISTOPHER H. DIETRICH

Polyamia (Polyamia) choromorica sp. n., representing the first record of the genus Polyamia DeLong from South America, is described and illustrated. Previously described species of Polyamia DeLong appear to be restricted to North America. Color illustrations of Polyamia (Copolyamia) caperata (Ball), Polyamia (Copolyamia) similaris DeLong & Davidson and Polyamia (Polyamia) weedi Van Duzee are also provided for comparison. A species checklist and distribution summary for the genus is provided. Notes on other South American species of Deltocephalini with supernumerary forewing crossveins are also provided.


Phytotaxa ◽  
2017 ◽  
Vol 319 (3) ◽  
pp. 254 ◽  
Author(s):  
M. ÁNGELES ALONSO ◽  
MANUEL B. CRESPO ◽  
HELMUT FREITAG

The name Salicornia cuscoensis given to a plant from high Andean saltmarshes near Cusco [Cuzco] and Ayacucho, Peru (South America) is validated by a diagnosis and description. The main morphological characters that separate S. cuscoensis from other closely related species are creeping habit, delicate branches, inflorescence of short and thin spikes, and seed indumentum. The new species clearly differs from other perennial Salicornia taxa growing in high Andean saltmarshes such as S. pulvinata and S. andina. The former forms small compact cushions producing very short, few-flowered inflorescences. The latter shows woody stems and forms larger rounded carpets. Morphologically, S. cuscoensis is also similar to S. magellanica, a species growing along the seashore in southern Patagonia and Tierra del Fuego, but the latter has shorter and wider inflorescences and larger seeds with a different type and arrangement of indumentum. Molecular analyses also supported the separation of S. cuscoensis. Data on habitat, distribution and phylogenetic relationships are presented for the new species and its relatives, and an identification key is given for the South American taxa of the genus Salicornia.


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