Teleogryllus oceanicus
ION AND FLUID SECRETION BY DIFFERENT SEGMENTS OF THE MALPIGHIAN TUBULES OF THE BLACK FIELD CRICKET TELEOGRYLLUS OCEANICUS
... Whilst many Malpighian tubules are obviously segmented (e.g. Marshall, 1973, 1974), many have a more subtle segmentation (see Bradley 1985). In the crickets Acheta domesticus (Hazelton et al. 1988) and ...
22
Representation of behaviorally relevant sound frequencies by auditory receptors in the cricket teleogryllus oceanicus
... species Teleogryllus oceanicus, two distinct frequency ranges are ...T. oceanicus shows two low-threshold regions, one near 5 kHz and a second near 30 kHz (Moiseff et ...
9
Sexual selection and population divergence II Divergence in different sexual traits and signal modalities in field crickets (Teleogryllus oceanicus)
... DIVERGENCE IN DIFFERENT SEXUAL TRAITS AND SIGNAL MODALITIES IN FIELD CRICKETS TELEOGRYLLUS OCEANICUS Sonia Pascoal1, Magdalena Mendrok2, Alastair J.. of Environmental Sciences, Jagelloni[r] ...
38
Sexual selection and population divergence I The influence of socially flexible cuticular hydrocarbon expression in male field crickets (Teleogryllus oceanicus)
... cricket Teleogryllus oceanicus and tested whether population genetic divergence predicts the extent or direction of social flexibility in allopatric ...
65
Mechanisms of frequency specific responses of ω neuron 1 in crickets (Teleogryllus oceanicus): a polysynaptic pathway for song?
... (Teleogryllus oceanicus), the auditory interneuron omega neuron 1 (ON1) responds to sounds over a wide range of frequencies but is most sensitive to the frequency of conspecific songs ...
11
Acoustic Orientation in the Cricket Teleogryllus Oceanicus (Le Guillou)
... New information is presented on acoustic orientation in crickets following a comparison between a species with a discontinuous song pattern, Scapsepidus maginatus Murphey & Zaretsky, 197[r] ...
16
MODULATION OF TENSION PRODUCTION BY OCTOPAMINE IN THE METATHORACIC DORSAL LONGITUDINAL MUSCLE OF THE CRICKET TELEOGRYLLUS OCEANICUS
... The thresholds for octopamine effects on twitch amplitude, contraction rate and relaxation rate in the cricket metathoracic DLM 10~ 8 moll~ x were similar to those in the locust extenso[r] ...
17
Ultrasound induced yaw movements in the flying Australian field cricket (Teleogryllus oceanicus)
... Mudd Hall, Cornell University, Ithaca, NY 14853, USA Accepted 18 October 1989 Summary An ultrasonic stimulus induced negative phonotactic steering in the yaw axis of tethered, flying Aus[r] ...
14
Multisegmental analyses of acoustic startle in the flying cricket (Teleogryllus oceanicus): kinematics and electromyography
... The kinematic data showed that when a pulse of ultrasound was presented to one side of the animal 1 the contralateral metathoracic leg abducted and elevated, while the ipsilateral leg re[r] ...
18
A behavioural and genomic approach to studying the evolution of reproductive isolation : a contact zone between closely related field crickets in the genus Teleogryllus
... What processes contribute to the evolution of reproductive isolation and the coexistence of interfertile species in the same habitat? This thesis investigates the relative roles of species interactions and intraspecific ...
265
Wing resonances in the Australian field cricket Teleogryllus oceanicus
... Fig.·4. (A,B) Drawings of three file teeth of Teleogryllus oceanicus near the middle of the right file. (A) Optical section near the middle of the teeth; the arrow shows the direction of movement of the ...
18
Testing the role of trait reversal in evolutionary diversification using song loss in wild crickets
... Tinghitella RM 2008 Rapid evolutionary change in a sexual signal: genetic control of the mutation ‘flatwing’ that renders male field crickets Teleogryllus oceanicus mute.. 19.Alexander R[r] ...
31
Flight Behaviour and Selective Degeneration of Flight Muscles in the Adult Cricket (Gryllus Bimaculatus)
... It has been reported that in the cricket Teleogryllus oceanicus the dorsal longitudinal muscle atrophies and becomes white in appearance in late adult life Ready and Josephson, 1982; Rea[r] ...
8
Spatial acuity of ultrasound hearing in flying crickets
... cricket Teleogryllus oceanicus has directionally sensitive tympanal ears on its front legs, which are held close to the body with the ears facing outwards during flight (Hill and Boyan, ...
8
Humidity Reactions of Three Aquatic Amphipods, Gammarus Duebeni, G Oceanicus and Pontoporeia Affinis in the Air
... Results of the group experiments on the humidity behaviour of amphipods in an alternative chamber Number of records Species humidity alternatives Dry side Mid-line Humid side G... The le[r] ...
6
The Penetration of Some Non Polar Molecules in Solution Through the Egg Shells of Locusta Migratoria Migratorioides AND Teleogryllus Commodus
... indicate a real permeability of the egg-shell to each of the molecules, and show that the smaller molecules, urea and acetamide, passed through the shell more readily than the larger rib[r] ...
6
Divergent mechanisms of acoustic mate recognition between closely related field cricket species (Teleogryllus spp )
... selectivity for the pulse duty cycle in the trill portion of the calling song means and standard.. errors are presented.[r] ...
34
The Efficiency of Sound Production in Two Cricket Species, Gryllotalpa Australis and Teleogryllus Commodus (Orthoptera: Grylloidea)
... australis males used oxygen during calling at a mean rate of 4-637 ml O 2 h^', equivalent to 27-65mW of metabolic energy, which was 13 times higher than the resting metabolic rate.. comm[r] ...
13
Permeability to Water of the Shell of the Egg of Locusta Migratoria Migratorioides, with Observations on the Egg of Teleogryllus Commodus
... Balloons were made with the shells of a 'young' eggs, 1-2 days old at 300 C , 6 eggs 5-6 days old that were absorbing water rapidly, c eggs 7-8 days old that had completed water absorpti[r] ...
8
The Permeability of the Shell of the Egg of Teleogryllus Commodus Measured With the Aid of Tritiated Water
... The present experiment, using tritiated water, which can be detected in much lower concentrations than was possible with deuterated water and the equipment then available, aims to obtain[r] ...
9