نتایج جستجو برای: انارشیطان tecomella undulata

تعداد نتایج: 433  

2016
Niklas Johansson Cornelis van Achterberg

The Palaearctic species of the Gasteruption assectator aggregate (Hymenoptera, Gasteruptiidae) are revised and three species are recognised. Two species are re-instated: Gasteruption boreale (Thomson, 1883), stat. n. and Gasteruption nigritarse (Thomson, 1883), stat. n., and both are excluded from the synonymy with Gasteruption assectator (Linnaeus, 1758). The general distribution of both speci...

2011
Yuri M. Marusik Mykola M. Kovblyuk Seppo Koponen

Three species of Xerolycosa: Xerolycosa nemoralis (Westring, 1861), Xerolycosa miniata (C.L. Koch, 1834) and Xerolycosa mongolica (Schenkel, 1963), occurring in the Palaearctic Region are surveyed, illustrated and redescribed. Arctosa mongolica Schenkel, 1963 is removed from synonymy with Xerolycosa nemoralis and transferred to Xerolycosa, and the new combination Xerolycosa mongolica (Schenkel,...

2011
Jin-Ming Lu Tong Li Hong-Wei Chen

A new species of the Stegana (Steganina) ornatipes species group (Diptera: Drosophilidae) is described from Hainan, China, S. (S.) xipengi sp. nov. Based on the mitochondrial ND2 and COI gene sequences, the relationships among eight species from mainland China of the ornatipes group, and their relationships to the undulata, nigrolimbata and shirozui species groups of the same subgenus, are inve...

Journal: :Biology letters 2011
Simon Fellous Elsa Quillery Alison B Duncan Oliver Kaltz

Parasitic infection can modify host mobility and consequently their dispersal capacity. We experimentally investigated this idea using the ciliate Paramecium caudatum and its bacterial parasite Holospora undulata. We compared the short-distance dispersal of infected and uninfected populations in interconnected microcosms. Infection reduced the proportion of hosts dispersing, with levels differi...

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