نتایج جستجو برای: cicada orni
تعداد نتایج: 419 فیلتر نتایج به سال:
Males of the North American cicada Okanagana rimosa (Homoptera: Cicadidae, Tibicininae) emit loud airborne acoustic signals for intraspecific communication. Specialised vibratory signals could not be detected; however, the airborne signal induced substrate vibrations. Both auditory and vibratory spectra peak in the range from 7-10 kHz. Thus, the vibrations show similar frequency components to t...
In this research, the sound production mechanism of the cicada is explored and modeled to create a new digital musical instrument. The model is implemented in an environment which offers intuitive, real-time manipulation of the model’s parameters – making it suitable for live, interactive, musical performances. The model consists of a primary and secondary resonator, the former for the tymbal a...
This article presents the results of study apple’s homoptera pests in forest communities Fergana Valley, biological features, harmfulness, features development phases, specific composition most harmful species, food relations, their natural enemies and recommended measures to control them. Species that are a component entomocenoses cultural landscapes negative impact on have been established. I...
BACKGROUND Sound collections for singing insects provide important repositories that underpin existing research (e.g. Price et al. 2007 at http://bio.acousti.ca/node/11801; Price et al. 2010) and make bioacoustic collections available for future work, including insect communication (Ordish 1992), systematics (e.g. David et al. 2003), and automated identification (Bennett et al. 2015). The BioAc...
Call rate suppression is a common short-term solution for avoiding acoustic interference in animals. It has been widely documented between and within frog species, but the effects of non-anuran calling on frog vocalizations are less well known. Heterospecific acoustic interference on the calling of male Oophaga pumilio (formerly Dendrobates pumilio) was studied in a lowland, wet tropical forest...
Cicadas (Homoptera:Cicadidae) are insects able to produce loudly songs and it is known that the mechanism to produce sound of tymballing cicadas works as a Helmholtz resonator. In this work we offer evidence on the participation of the wings in a high quality resonating process which defines the details of the acoustic properties of the calling song. The study is carry on Quesada gigas species ...
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