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1

Two new species of Nyctelia Latreille from western Argentina, with zoogeographical and ecological remarks on the high mountain habitat (Coleoptera: Tenebrionidae)

100%
Flores G. E., Carrara R.
Annales Zoologici
|
2006
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tom 56
|
nr 3
Two new species of the genus Nyctelia Latreille (Pimeliinae: Nycteliini) from high mountains in central-western Argentina are described, N. nevadoensis sp. nov. and N. setipennis sp. nov. Distributional and habitat records and habitus photographs for these two new species are included, with comparisons to other known species of the genus. A discussion on the biogeography and the non sympatry with other species of Nyctelia of these two new species is presented. Lectotype is designated for Nyctelia alutacea Fairmaire, 1876.
2

First fossil assemblage of darkling beetles (Coleoptera: Tenebrionidae) from Buenos Aires, Argentina: evidence of dry climate during the late Pleistocene in the humid Pampas

81%
Ramirez L. C., Carrara R., Silvestro V. A., Flores G. E.
Annales Zoologici
|
2016
|
tom 66
|
nr 4
Late Pleistocene outcrops exposed in Buenos Aires province, Argentina, represent one of the most informative sources for paleoecological studies on South American fauna and flora. Several proxies have been used for studying Pleistocene environmental conditions in the Pampas, but only a few were based on paleoentomological data. The aims of this study are to present the first record of three species of darkling beetles from the late Pleistocene of Buenos Aires province and to provide new paleoenvironmental information. The sediments containing fossil insects correspond to the Guerrero Member of the Luján Formation and were dated between 12,100 ± 100 14C BP and 13,400 ± 200 14C BP. Specimens of Nyctelia picipes (Billberg), Epipedonota cristallisata Waterhouse and Scotobius pilularius Germar were identified. To provide information about past climate, the particular climate requirements of these species were analyzed by using the Mutual Climatic Range method. This association could indicate the first pulse of post-glacial climate recovery and the replacement by the insect fauna currently inhabiting the area. This study is one of the first approaches to the Quaternary paleoentomology of Argentina, and highlights the potential of paleoentomological information, when evaluated in combination with previous knowledge on global climate conditions after the last glacial maximum.
3

Disentangling the effect of climate and human influence on distribution patterns of the darkling beetle Scotobius pilularius Germar, 1823 (Coleoptera: Tenebrionidae)

71%
Carrara R., Silvestro V. A., Cheli G. H., Campon F. F., Flores G. E.
Annales Zoologici
|
2016
|
tom 66
|
nr 4
Scotobius pilularius Germar 1823 (Tenebrioninae: Scotobiini) is mainly distributed in natural temperate and mesic grasslands of the Pampean biogeographic province. However, it is also found in climatically extreme environments such as cold and dry grasslands within the Patagonian biogeographic province. In these extreme environments, S. pilularius is found outside of natural habitats, in areas associated with human settlements. In the present paper, the role of climatic conditions and human settlements as determinants of the observed spatial distribution of S. pilularius in its natural distribution and outside that area is assessed. Three following hypotheses are tested: species occurrence is determined by i) climate; or ii) human settlements; or iii) both climate and human settlements. The results suggest that, while the climate and human settlements hypothesis is consistent with the data acquired within the S. pilularius natural distribution area, only the human influence hypothesis significantly explains its distribution outside of its natural area. This outcome suggests that S. pilularius moved from living in a complete disassociation to human settlements or asynanthropy before human settlements in its natural area, to living in close association with human settlements or synanthropy outside of its natural area.
4

Fourth International Tenebrionoidea symposium

61%
Flores G. E., Scollo A. M., Silnik S. J. L., Aballay F. H., Cheli G. H., Carrara R.
Annales Zoologici
|
2016
|
tom 66
|
nr 4
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