نتایج جستجو برای: dragonfly

تعداد نتایج: 933  

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C 1997

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES 2008

Journal: :Journal of the Visualization Society of Japan 1999

Journal: :Journal of Tropical Ecology 2021

Abstract Animals which migrate by flying should be subject to selection for optimal wing characteristics that maximize energy efficiency during migration. We investigated shape and area variation in the Globe Skimmer Dragonfly Pantala flavescens , has longest known migration of any insect. Wing differences between individuals southern Peninsular India, migrating at a stop-over site on Maldives,...

Journal: :Experimental Mechanics 2010

Journal: :Science Innovation 2015

2017
Marina Vilenica Antun Alegro Nikola Koletić Zlatko Mihaljević

A total of 12 dragonfly species were recorded at Vlačine Reservoir in the Dinaric Western Balkan region (ER 5) in Croatia. Habitat conditions, i.e. vegetation structure and physico-chemical water properties of the reservoir, are presented and discussed. Habitat conditions were suitable for life cycle completion of Mediterranean species such as Lindenia tetraphylla and Selysiothemis nigra. Exuvi...

2012
Tiziano Bo Stefano Fenoglio Manuel Jesus López-Rodríguez José Manuel Tierno M. J. López-Rodríguez

The order Odonata comprises many predaceous species that inhabit aquatic systems, and a few that are restricted to flowing waters. Cordulegaster boltoni is a widespread Odonata in Europe, which usually inhabits small lotic systems. In this study we analysed the gut contents of C. boltoni immature stages, collected in the Rocchetta Tanaro Natural Park (Italy, Piemonte). Two hundred and eleven in...

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