Differences in Male Mating Response and Female Flight Sounds in Aedes aegypti and Ae. albopictus (Diptera: Culicidae)

Duhrkopf, R. E.; Hartberg, W. K.

doi:10.1093/jmedent/29.5.796

Cited by 13 publications

(13 citation statements)

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“…aegypti males did not increase, and may have decreased, when a frequency of 465 Hz was used instead of 440 Hz, which contradicts previous lab-based studies that indicated an optimal response of Ae. aegypti to tones close to 465 Hz (Ikeshoji 1981, Duhrkopf andHartberg 1992). A subject of further investigation would be whether the higher numbers we caught at 440 Hz reßect a difference in behavior of the Ae.…”

Section: Discussionmentioning

confidence: 91%

“…Males were transferred gently by mouth aspirator to a small plastic Dixie cup (Dixie Consumer Products, Atlanta, GA) covered with netting. Individual males were then presented with a generated tone by placing a speaker (JBuds, JLab Audio, Oceanside, CA) on top of the netting and playing a tone from an "iPod" mp3-player (Apple, Cupertino, CA) for 10 s. A response was scored as positive if the male ßew to the speaker and pressed his terminalia to the netting as if copulating (Duhrkopf and Hartberg 1992). The tones used in all experiments were generated using Audacity (http://audacity.…”

Section: Methodsmentioning

confidence: 99%

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Determinants of Male Aedes aegypti and Aedes polynesiensis (Diptera: Culicidae) Response to Sound: Efficacy and Considerations for Use of Sound Traps in the Field

2013

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Understanding the mating competitiveness of male mosquitoes in Þeld settings is essential to programs relying on the mass release of modiÞed male mosquitoes, yet studies on male ecology have been hampered by the lack of a convenient trapping method. An existing promising method makes use of the innate attraction of males to female ßight tones. Here, we present laboratory, greenhouse, and Þeld experiments on the efÞcacy of sound traps for the collection of Aedes aegypti (L.) and Aedes polynesiensis Marks, and laboratory experiments with Ae. aegypti on the effects of male age, size, and mating status on responsiveness to a range of frequencies. Age and mating status inßuenced the overall responsiveness to sound, whereas male size did not. There were no interactions between these factors and sound frequency. A Centers for Disease Control and Prevention miniature light trap modiÞed to produce a tone of 465 Hz collected 76.2% of Ae. aegypti males in laboratory cages, and 49.7% of males in a greenhouse enclosure. In two sets of experiments in laboratory cages, 50.8 and 46.5% of male Ae. polynesiensis were captured with a trap producing a tone of 440 Hz. In the Þeld, CDC miniature light traps or BG-Sentinel traps Þtted with a portable speaker producing tones of 440 or 465 Hz captured signiÞcantly more male Ae. polynesiensis when placed near a male swarm than did traps that did not produce sound. When the trap was placed at a distance of 16.5 m from the nearest swarm, there was no signiÞcant difference in the number of males caught between control and sound-producing traps. The numbers of Ae. aegypti males captured were low under all circumstances in the Þeld.

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Section: Discussionmentioning

confidence: 91%

Section: Methodsmentioning

confidence: 99%

Determinants of Male Aedes aegypti and Aedes polynesiensis (Diptera: Culicidae) Response to Sound: Efficacy and Considerations for Use of Sound Traps in the Field

2013

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“…albopictus because these organs assume sex-specific roles in this species. Both sexes produce and recognise each other through courtship sounds (Duhrkopf & Hartberg 1992) and the females must fly with precision to feed quickly on a host that is awake. These behaviours could result in sex-specific differences in selective pressures; thus, sexual selection cannot be discarded within this scenario.…”

Section: Discussionmentioning

confidence: 99%

Temporal variation of wing geometry in Aedes albopictus

Vidal

Carvalho

Suesdek

2012

Mem. Inst. Oswaldo Cruz

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Although native to the tropical and subtropical areas of Southeast Asia, Aedes albopictus is now found on five continents, primarily due to its great capacity to adapt to different environments. This species is considered a secondary vector of dengue virus in several countries. Wing geometric morphometrics is widely used to furnish morphological markers for the characterisation and identification of species of medical importance and for the assessment of population dynamics. In this work, we investigated the metric differentiation of the wings of Ae. albopictus samples collected over a four-year period (2007-2010) in São Paulo, Brazil. Wing size significantly decreased during this period for both sexes and the wing shape also changed over time, with the wing shapes of males showing greater differences after 2008 and those of females differing more after 2009. Given that the wings play sex-specific roles, these findings suggest that the males and females could be affected by differential evolutionary pressures. Consistent with this hypothesis, a sexually dimorphic pattern was detected and quantified: the females were larger than the males (with respect to the mean) and had a distinct wing shape, regardless of allometric effects. In conclusion, wing alterations, particularly those involving shape, are a sensitive indicator of microevolutionary processes in this species

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“…The basis for this conclusion was the observation that males of many species respond to female flight tones by flying towards the source of sound ( Charlwood & Jones 1979 , Duhrkopf & Hartberg 1992 , Belton 1994 , Clements 1999 ) and males have more “plumose” antennae (i.e., many more fibrillae or “hairs” on each antenna), creating a greater surface area with which to detect sound ( Belton 1994 , Clements 1999 ). Gibson and Russell (2006) were the first to show, using Toxorhynchites brevipalpis mosquitoes, that females also respond to male flight tones, albeit not by altering their flight course.…”

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confidence: 99%

Acoustic communication in insect disease vectors

Vigoder

Ritchie

Gibson

et al. 2013

Mem. Inst. Oswaldo Cruz

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Acoustic signalling has been extensively studied in insect species, which has led to a better understanding of sexual communication, sexual selection and modes of speciation. The significance of acoustic signals for a blood-sucking insect was first reported in the XIX century by Christopher Johnston, studying the hearing organs of mosquitoes, but has received relatively little attention in other disease vectors until recently. Acoustic signals are often associated with mating behaviour and sexual selection and changes in signalling can lead to rapid evolutionary divergence and may ultimately contribute to the process of speciation. Songs can also have implications for the success of novel methods of disease control such as determining the mating competitiveness of modified insects used for mass-release control programs. Species-specific sound “signatures” may help identify incipient species within species complexes that may be of epidemiological significance, e.g. of higher vectorial capacity, thereby enabling the application of more focussed control measures to optimise the reduction of pathogen transmission. Although the study of acoustic communication in insect vectors has been relatively limited, this review of research demonstrates their value as models for understanding both the functional and evolutionary significance of acoustic communication in insects.

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Differences in Male Mating Response and Female Flight Sounds in Aedes aegypti and Ae. albopictus (Diptera: Culicidae)

Cited by 13 publications

References 0 publications

Determinants of Male <I>Aedes aegypti</I> and <I>Aedes polynesiensis</I> (Diptera: Culicidae) Response to Sound: Efficacy and Considerations for Use of Sound Traps in the Field

Determinants of Male <I>Aedes aegypti</I> and <I>Aedes polynesiensis</I> (Diptera: Culicidae) Response to Sound: Efficacy and Considerations for Use of Sound Traps in the Field

Temporal variation of wing geometry in Aedes albopictus

Acoustic communication in insect disease vectors

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