scholarly journals Current status and natural history of the critically endangered Variable Harlequin Toad (Atelopus varius) in Costa Rica

2021 ◽  
Vol 28 (3) ◽  
pp. 374-388
Author(s):  
Cesar Luis Barrio Amoros ◽  
Gerardo Chaves ◽  
Robert Puschendorf
Keyword(s):  
Costa Rica ◽  
Natural History ◽  
Critically Endangered ◽  
Current Status ◽  
Color Patterns ◽  
The Status ◽  
History Of

The Variable Harlequin Toad (Atelopus varius) has suffered extensive declines in Panama and Costa Rica.Of 169 previously documented populations, only seven are known to survive. Herein we review the status of the survivingpopulations of this species in Costa Rica, describing the results of random visits to five of the seven survivingpopulations during the last six years, novel information on the natural history of three of these, and the results of amonitoring program of one continuous year on one of them. We identify three distinct morphs that might be the onlysurvivors of what once was a wide array of phenotypic color patterns.

scholarly journals DIALOGICAL LINGUISTICS IN RUSSIA: THE HISTORY OF FORMATION AND THE CURRENT STATUS

2021 ◽  
pp. 159-173
Author(s):  
N. N. Shpilnaya ◽  
Keyword(s):  
General Theory ◽  
Research Program ◽  
Linguistic Theory ◽  
Final Part ◽  
Current Status ◽  
Interactional Theory ◽  
Current State ◽  
The Status ◽  
History Of ◽  
History Of Formation

The article is an outline of the development of Dialogical Linguistics in Russia. It represents its milestones of formation and the current state. Dialogical Linguistics is considered to be an integral linguistic branch, claiming the status of a distinct «research program» and comprises such sections as follows: Linguistics of Dialogical Text, Linguistic Theory of Replication, Interactional Theory of Dialogue, General Theory of Dialogue. In the final part of the article, the principles of dialogical modeling of linguistic objects are being formulated.

scholarly journals Gender, Museums and Science: Wanda Hanke’s Ethnological Collections (1933–1958)

2016 ◽  
Vol 10 (1) ◽  
pp. 33-69 ◽  
Author(s):  
Mariana M. O. Sombrio
Keyword(s):  
Natural History ◽  
South America ◽  
Natural History Museums ◽  
Extensive Data ◽  
History Museums ◽  
Indigenous Groups ◽  
Medicine And Philosophy ◽  
The Status ◽  
History Of ◽  
Female Scientists

Abstract This paper will explore the significance of the expeditions under- taken by Wanda Hanke (1893-1958) in South America, of the networks she established in the region, as well as of her contributions to ethnological studies, in particular her compilation of extensive data and collections. Through Hanke's experience, it is possible to elucidate aspects of the history of ethnology and that of the history of museums in Brazil, as well as to emphasize the status of female participation in these areas. Wanda Hanke spent 25 years of her life studying the indigenous groups of Argentina, Bolivia, Brazil and Paraguay and collecting ethnological objects for natural history museums. Trained in medicine and philosophy, she began to dedicate herself to ethnological studies in her forties, and she travelled alone, an uncommon characteristic among female scientists in the 1940s, in Brazil.

Natural History of the Mocha Island Ground Frog Eupsophus insularis, a Critically Endangered Species

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Gabriel Lobos ◽  
Nicolás Rebolledo ◽  
Andrés Charrier ◽  
Claudio Correa ◽  
Felipe Rabanal ◽  
...  
Keyword(s):  
Endangered Species ◽  
Natural History ◽  
Critically Endangered ◽  
Critically Endangered Species ◽  
History Of

Revision, phylogeny and natural history of Cotithene Voss (Coleoptera: Curculionidae)

Zootaxa ◽  
2008 ◽  
Vol 1782 (1) ◽  
pp. 1 ◽  
Author(s):  
NICO M. FRANZ
Keyword(s):  
Costa Rica ◽  
Natural History ◽  
Morphological Traits ◽  
Anterior Margin ◽  
Narrow Range ◽  
Cladistic Analysis ◽  
Morphological Characters ◽  
Closely Related Species ◽  
Host Shifts ◽  
History Of

Cotithene Voss, a previously monotypic genus of Neotropical derelomine flower weevils (Curculionidae: Derelomini), is revised, with provision of a key to the species, cladistic analysis and notes on its natural history. The following six new species are described: C. anaphalanta (Costa Rica), C. dicranopygia (Costa Rica), C. leptorhamphis (Costa Rica, Panama), C. melanoptera (Venezuela), C. stratiotricha (Costa Rica) and C. trigaea (Costa Rica). The monophyly of Cotithene is supported by the characters of a dorsomedially expanded, carinate rostrum, ventrally angulate head, long and anteriorly directed setation on the anterior margin of the prosternum and an apicodorsally expanded aedeagus with paired sclerites in the male, and subcontiguous to separated procoxal cavities in the female. Particularly the males of several species have intriguing and allometrically scaled modifications on the head (triangular projections, long setae) and pronotum (expansion, tumescences), which possibly play a role in male-to-male conflicts. Cotithene species are specialized to visit and reproduce on a narrow range of typically closely related species of Cyclanthaceae. The adults do not function as pollinators, and the herbivorous larvae develop in the fruiting organs of their hosts, frequently triggering the abortion of infructescences. An analysis of 12 taxa (5 outgroup, 7 ingroup) and 32 morphological characters yielded a single most parsimonious cladogram (L = 38, CI = 89, RI = 93) with the topology (C. dicranopygia, (C. stratiotricha, ((C. leptorhamphis, C. trigaea), (C. globulicollis Voss, (C. anaphalanta, C. melanoptera))))). The evolution of morphological traits and host shifts is examined in light of the proposed phylogeny.

scholarly journals On the Life Cycle and Natural History of Hymenitis Nero (Lepidoptera: Ithomiinae) in Costa Rica

1972 ◽  
Vol 79 (4) ◽  
pp. 284-294 ◽  
Author(s):  
Allen M. Young
Keyword(s):  
Life Cycle ◽  
Costa Rica ◽  
Natural History ◽  
Population Biology ◽  
Distribution Patterns ◽  
Broad Distribution ◽  
Tropical Plant ◽  
History Of ◽  
Local Patterns ◽  
Tropical Plant Communities

A knowledge of life cycle and natural history are often important prerequisites to studies of population biology in butterflies. Although studies on the systematics and broad distribution patterns of that familiar New World Tropical group, the Ithomiinae, have been conducted (Seitz, 194; Fox, 1956; Fox, 1968), a lot remains to be known about the biology of many species in Central America. This is surprising in light of the considerable interest in these butterflies as members of mimicry complexes. In this spirit, this paper summarizes life cycle and natural history data on a clear wing ithoreiine Hymenitis nero (Hewitson) (Nymphalidae: Ithomiinae) in Costa Rica. Similar studies of several other sympatric ithomiines have either been completed (Young, in prep.) or begun, as a preliminary step towards understanding the local patterns of diversity of this family in selected tropical plant communities.

scholarly journals Notes on the Life Cycle and Natural History of Dismorphia Virgo (Lepidoptera Pieridae: Dismorphiinae) in Costa Rica

1972 ◽  
Vol 79 (3) ◽  
pp. 165-178 ◽  
Author(s):  
Allen M. Young
Keyword(s):  
Life Cycle ◽  
Costa Rica ◽  
Natural History ◽  
Taxonomic Status ◽  
Central American ◽  
South American ◽  
Species Status ◽  
New Information ◽  
History Of ◽  
The Common

This paper summarizes the life cycle and some aspects of natural history of the tropical pierid, Dismorphia virgo (Dismorphiinae) in Costa Rica. The precise taxonomic status of the butterfly in Central America has not been established, and it may represent a variable northern isolate of the common South American D. critomedia. Therefore, independent of whether the Central American form discussed in this paper has achieved full species status as the more northern virgo or is a subspecies or variety of critomedia evolving towards species status, this paper provides new information on the biology of the butterfly in Costa Rica. The establishment of precise taxonomic position awaits further study, and for the present purpose, I refer to the butterfly as D. virgo.

The current status of the rare Usambara Mountain Forest-Viper, Atheris ceratophorus WERNER, 1895, including a probable new record of A. nitschei rungweensis BOGERT, 1940, and a discussion of its validity (Reptilia, Serpentes, Viperidae)

1982 ◽  
Vol 3 (2) ◽  
pp. 269-277 ◽  
Author(s):  
Jens Bødtker Rasmussen ◽  
Kim M. Howell
Keyword(s):  
Natural History ◽  
Intraspecific Variation ◽  
New Record ◽  
New Records ◽  
Current Status ◽  
Mountain Forest ◽  
History Of ◽  
Usambara Mountain

AbstractThe recent collecting of five specimens of Atheris ceratophorus WERNER, 1895, together with an examination of material already deposited in various museums documents new records outside the Usambara Mountains to which the species had been believed to be endemic. Lepidosis and hemipenial characters have been investigated and tabulated to give an impression of the intraspecific variation. The data of the new specimens provide some information on the natural history of this species. The validity of A. nitschei rungweensis is discussed and a probable new record is given.

The Ethnic Russians – Scattered in Geo-cultural and Semantic Spaces of Kyrgyzstan – Minorities, Diasporas or Depleting Historical Resource? Back to the History of the Issue

2014 ◽  
Vol 21 (2) ◽  
pp. 226-255 ◽  
Author(s):  
Bakyt Baimatov
Keyword(s):  
Russian Language ◽  
Current Status ◽  
Minority Languages ◽  
Public Figures ◽  
The Status ◽  
History Of ◽  
Semantic Spaces ◽  
Communist Past ◽  
The Russian Language ◽  
Mountainous Country

The current status of the Russian language in modern Kyrgyzstan is vague and precarious. Historically, Russians and the Russian language have been a backbone of Kyrgyz culture that paved the way for an unprecedented rise in literacy and a socio-economic upswing in this small mountainous country during Communism. However, post-Soviet times have witnessed an advent of revisionist tendencies in rethinking of the Communist past where Russians and their language are implicitly associated with historical injustices towards titular nations. Russian lingua franca as a means of inter-ethnic communication has become a source of controversy and a matter of debates. The Kyrgyz are divided along the lines of those politically-motivated public figures, who seek to exploit the status of the Russian language in their election campaigns. A package of laws providing exclusive use of Kyrgyz language in office and administration has been recently adopted in an attempt to place limits on the Russian language. These developments are widely regarded as discriminative towards not only Russian but also other minority languages in the country. On the other hand, the overwhelming majority of Kyrgyz intellectuals still hold a strong view that Russians and the Russian language deserve better in Kyrgyzstan.

scholarly journals Notes on the natural history of Cyclopogon obliquus (Orchidaceae: Spiranthinae) in Costa Rica

Lankesteriana ◽  
2016 ◽  
Vol 2 (3) ◽  
Author(s):  
Mario A. Blanco
Keyword(s):  
Costa Rica ◽  
Natural History ◽  
Title Page ◽  
History Of

<div class="page" title="Page 1"><div class="section"><div class="layoutArea"><div class="column"><p><span>S e p r e s e n t a e l p r i m e r i n f o r m e d e l a e x i s t e n c i a d e </span><span>C y c l o p o g o n o b l i q u u s </span><span>( J . J . S m . ) S z l a c h . [= </span><span>Pelexia obliqua </span><span>(J. J. Sm.) Garay] en Costa Rica. Se discute su posición taxonómica y se presenta una revisión de su actual distribución geográfica. Se presentan observaciones sobre su hábitat, fenología y repro- ducción. </span></p></div></div></div></div>

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