نتایج جستجو برای: sensilla

تعداد نتایج: 1148  

Journal: :Chemical senses 2011
N K Hillier N J Vickers

The insect olfactory system is challenged to decipher valid signals from among an assortment of chemical cues present in the airborne environment. In the moth, Heliothis virescens, males rely upon detection and discrimination of a unique blend of components in the female sex pheromone to locate mates. The effect of variable odor mixtures was used to examine physiological responses from neurons ...

2016
Adulsak Wijit Kritsana Taai Watcharatip Dedkhad Chayanit Hempolchom Sorawat Thongsahuan Wichai Srisuka Yasushi Otsuka Masako Fukuda Atiporn Saeung

Establishment of laboratory colony is essential for mosquito-borne-disease research. Mating behavior of stenogamous Anopheles peditaeniatus and seven eurygamous species (Anopheles argyropus, Anopheles crawfordi, Anopheles nigerrimus, Anopheles nitidus, Anopheles paraliae (=An. lesteri), Anopheles pursati and Anopheles sinensis), were investigated and compared in this study. The self-mating succ...

2014
Johannes Strauß Nataša Stritih Reinhard Lakes-Harlan

Comparative studies of the organization of nervous systems and sensory organs can reveal their evolution and specific adaptations. In the forelegs of some Ensifera (including crickets and tettigoniids), tympanal hearing organs are located in close proximity to the mechanosensitive subgenual organ (SGO). In the present study, the SGO complex in the non-hearing cave cricket Troglophilus neglectus...

2013
Tetsuya Miyamoto Yan Chen Jesse Slone Hubert Amrein

Evaluation of food compounds by chemosensory cells is essential for animals to make appropriate feeding decisions. In the fruit fly Drosophila melanogaster, structurally diverse chemicals are detected by multimeric receptors composed of members of a large family of Gustatory receptor (Gr) proteins. Putative sugar and bitter receptors are expressed in distinct subsets of Gustatory Receptor Neuro...

Journal: :Chemical senses 2013
Anna Späthe Andreas Reinecke Shannon B Olsson Subaharan Kesavan Markus Knaden Bill S Hansson

The reproductive success of herbivorous insects largely depends on the mother's oviposition preference. In nocturnal insects, olfaction is arguably the most important sensory modality mediating mate finding, foraging, and host location. In most habitats, gravid females select among a number of plants of varying suitability, yet assessment of the neuroethological mechanisms underlying odor-guide...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 1994
M Burrows P L Newland

Tactile stimuli to a leg of a locust are detected by two classes of exteroceptors: trichoid sensilla (tactile hairs), which are purely mechanoreceptors, and basiconic sensilla, which serve a dual role as mechano- and chemoreceptors. The trichoid sensilla have the longer shafts, but because the two types of receptors are intermingled over the surface of a leg, both can be excited when the leg co...

Journal: :Zootaxa 2013
Helio Pierotti Thomas Fink

Meira diottii, nov.sp. from the Ligurian Alps is described. Relevant anatomical characters are detailed and illustrated with drawings and photography. Characteristic sensilla on the penis are identified and illustrated with scanning electron microscopy. Relationships with other Meira species are proposed.

Journal: :Zootaxa 2014
Oleksandr Holovachov Sven Boström

A new genus Neocamacolaimus gen. n., with one new species N. parasiticus gen. n., sp. n. is described from the benthic polychaete Sphaerosyllis cf. hystrix collected in the Skagerrak off the west coast of Sweden. Neocamacolaimus gen. n. is placed in the family Camacolaimidae and is particularly characterised by having annulated cuticle with lateral alae; setiform cephalic sensilla located at le...

Journal: :The Journal of biological chemistry 1990
R Rybczynski R G Vogt M R Lerner

Female moths produce blends of odorant chemicals, called pheromones. These precise chemical mixtures both attract males and elicit appropriate mating behaviors. To locate females, male moths must rapidly detect changes in environmental pheromone concentration. Therefore, the regulation of pheromone concentration within antennae, their chief organ of smell, is important. We describe antennal-spe...

2016
Lígia Miranda Ferreira Borges Andrew Yongsheng Li Pia Untalan Olafson Robert Renthal Gary Roy Bauchan Kimberly Hutchison Lohmeyer Adalberto Angel Pérez de León

The present study was conducted to elucidate the neuronal pathways between peripheral olfactory and taste sensilla and the synganglion in an Ixodidae tick species. The tarsus of the front legs (olfactory nerves) and the fourth palpal segment (gustatory nerves) of unfed Amblyomma americanum males and females were excised. A neuronal tracer, dextran tetramethylrhodamine, was used for filling of t...

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