02256nas a2200169 4500008004100000245021200041210006900253520154500322653001701867653003401884653001201918653003001930100002001960700002601980700002502006856005502031 2020 eng d00aAre terrestrial isopods able to use stridulation and vibrational communication as forms of intra and interspecific signaling and defense strategies as insects do? A preliminary study in Armadillo officinalis0 aAre terrestrial isopods able to use stridulation and vibrational3 a

The capability of producing sounds and vibrations is well known in insects and is thought to be a form of intra- and interspecific communication. Sounds and vibrations are used and modulated for several aims such as interacting with conspecifics, getting information from the environment, and defending against predators. This phenomenon is less known but also present in other arthropods, including a few roller-type terrestrial isopods. In this study, we used a Y-shape test apparatus to investigate the behavior of adult individuals of Armadillo officinalis Duméril, 1816 (Crustacea: Isopoda: Oniscidea) when exposed to two particular vibrational stimuli, namely species-specific stridulations and non-specific substrate-borne vibrations. Our results showed that adults of A. officinalis significantly react to the presence of both types of vibrational stimuli, by moving away from the vibrational source as if they experienced these vibrations as a sign of danger or disturbance. A. officinalis can produce stridulations only when it rolls into a ball during the so-called conglobation, a possible defense mechanism against predators. Stridulation might thus be a secondary form of defense used during conglobation to deter a predator following contact with it and might be experienced as an alert by conspecifics nearby. The high sensitivity to non-specific substrate-borne vibrations might provide A. officinalis with the possibility to anticipate dangers and adverse conditions, giving it a better chance of survival.

10abiotremology10aCrustacea: Isopoda: Oniscidea10ainsects10avibrational communication1 aCividini, Sofia1 aSfenthourakis, Spyros1 aMontesanto, Giuseppe uhttp://link.springer.com/10.1007/s00114-019-1656-302717nas a2200241 4500008004100000245009000041210006900131260001600200300001400216490000600230520187200236653001802108653001602126653001202142653001802154653001702172653001202189653002402201100001802225700002502243700002702268856018002295 2019 eng d00aStink Bug Communication with Multimodal Signals Transmitted through Air and Substrate0 aStink Bug Communication with Multimodal Signals Transmitted thro cJan-12-2019 a407 - 4240 v33 a

This review represents complex mechanisms and processes of multimodal communication in stink bugs. During reproductive behavior the airborne and substrate-borne signals enable mate recognition, mediate directionality of movement, eliminate rivals and motivate partners for copulation. Species specific characteristics prevent hybridization at various levels of mating behavior. Male sex and/or aggregation pheromones as uni- or multicomponent signals attract mates to land on the same plant and there, trigger females to call males by vibratory signals, transmitted through the plant. Communication during courtship runs at short distance with visual, airborne, substrate-borne and contact chemical and mechanical signals. Abdomen vibrations produce the main repertoire of female and male calling, courtship and rival vibratory signals. To increase their informational value, stink bugs tune signal frequency, amplitude and temporal characteristics with mechanical properties of plants. The airborne component of species non-specific and high amplitude signals, produced by body tremulation and wing buzzing enables communication contact between mates standing on mechanically isolated plants. Female vibratory signals increase the amount of male emitted pheromone and the latter keeps female calling. Interaction, synergy and characteristics of visual, contact chemical and vibratory signals, exchanged during courtship remain under-investigated. Female and male competition for access to copulation in imbalanced sex conditions is characterized by duetting with rival song vibratory signals. Different receptors in and on different parts of the body are able to detect with high sensitivity multimodal airborne and substrate-borne communication signals. The relevance of the multimodal communication for the reproductive success of stink bugs is discussed.

10acommunication10aenvironment10ainsects10aMultimodality10aPentatomidae10aSignals10aTransmission Medium1 aČokl, Andrej1 aŽunič-Kosi, Alenka1 aLaumann, Raul, Alberto uhttps://ijournalse.org/index.php/ESJ/article/view/215https://ijournalse.org/index.php/ESJ/article/viewFile/215/pdfhttps://ijournalse.org/index.php/ESJ/article/viewFile/215/pdf02062nas a2200205 4500008004100000022001400041245013900055210006900194260001600263300001400279490000800293520137200301653002401673653001201697653002101709653002101730653002101751100002901772856005501801 2018 eng d a0340-759400aEvolutionarily conserved coding properties favour the neuronal representation of heterospecific signals of a sympatric katydid species0 aEvolutionarily conserved coding properties favour the neuronal r cJan-10-2018 a859 - 8720 v2043 a

To function as a mechanism in premating isolation, the divergent and species-specific calling songs of acoustic insects must be reliably processed by the afferent auditory pathway of receivers. Here, we analysed the responses of interneurons in a katydid species that uses long-lasting acoustic trills and compared these with previously reported data for homologous interneurons of a sympatric species that uses short chirps as acoustic signals. Some interneurons of the trilling species respond exclusively to the heterospecific chirp due to selective, low-frequency tuning and “novelty detection”. These properties have been considered as evolutionary adaptations in the sensory system of the chirper, which allow it to detect signals effectively during the simultaneous calling of the sympatric sibling species. We propose that these two mechanisms, shared by the interneurons of both species, did not evolve in the chirper to guarantee its ability to detect the chirp under masking conditions. Instead we suggest that chirpers evolved an additional, 2-kHz component in their song and exploited pre-existing neuronal properties for detecting their song under masking noise. The failure of some interneurons to respond to the conspecific song in trillers does not prevent intraspecific communication, as other interneurons respond to the trill.

10aAuditory processing10ainsects10aSelective coding10asignal detection10asignal evolution1 aKostarakos, Konstantinos uhttp://link.springer.com/10.1007/s00359-018-1282-002615nas a2200301 4500008004100000245008200041210006900123260001600192300000900208490000600217520172400223653001501947653001201962653002801974653001002002653002202012653001202034653003202046653002202078653001502100653002102115100001902136700002902155700003002184700002802214700002702242856004402269 2017 eng d00aSpecies Richness (of Insects) Drives the Use of Acoustic Space in the Tropics0 aSpecies Richness of Insects Drives the Use of Acoustic Space in  cJan-11-2017 a10960 v93 a

Acoustic ecology, or ecoacoustics, is a growing field that uses sound as a tool to evaluate animal communities. In this manuscript, we evaluate recordings from eight tropical forest sites that vary in species richness, from a relatively low diversity Caribbean forest to a megadiverse Amazonian forest, with the goal of understanding the relationship between acoustic space use (ASU) and species diversity across different taxonomic groups. For each site, we determined the acoustic morphospecies richness and composition of the biophony, and we used a global biodiversity dataset to estimate the regional richness of birds. Here, we demonstrate how detailed information on activity patterns of the acoustic community (<22 kHz) can easily be visualized and ASU determined by aggregating recordings collected over relatively short periods (4–13 days). We show a strong positive relationship between ASU and regional and acoustic morphospecies richness. Premontane forest sites had the highest ASU and the highest species richness, while dry forest and montane sites had lower ASU and lower species richness. Furthermore, we show that insect richness was the best predictor of variation in total ASU, and that insect richness was proportionally greater at high-diversity sites. In addition, insects used a broad range of frequencies, including high frequencies (>8000 Hz), which contributed to greater ASU. This novel approach for analyzing the presence and acoustic activity of multiple taxonomic groups contributes to our understanding of ecological community dynamics and provides a useful tool for monitoring species in the context of restoration ecology, climate change and conservation biology.

10aamphibians10aARBIMON10aBiodiversity monitoring10abirds10acommunity ecology10ainsects10apassive acoustic monitoring10arapid assessments10aSoundscape10aspecies richness1 aAide, Mitchell1 aHernández-Serna, Andres1 aCampos-Cerqueira, Marconi1 aAcevedo-Charry, Orlando1 aDeichmann, Jessica, L. uhttp://www.mdpi.com/2072-4292/9/11/109602616nas a2200301 4500008004100000245008200041210006900123260001600192300000900208490000600217520172400223653001501947653001201962653002801974653001002002653002202012653001202034653003202046653002202078653001602100653002102116100001902137700002902156700003002185700002802215700002702243856004402270 2017 eng d00aSpecies Richness (of Insects) Drives the Use of Acoustic Space in the Tropics0 aSpecies Richness of Insects Drives the Use of Acoustic Space in  cJan-11-2017 a10960 v93 a

Acoustic ecology, or ecoacoustics, is a growing field that uses sound as a tool to evaluate animal communities. In this manuscript, we evaluate recordings from eight tropical forest sites that vary in species richness, from a relatively low diversity Caribbean forest to a megadiverse Amazonian forest, with the goal of understanding the relationship between acoustic space use (ASU) and species diversity across different taxonomic groups. For each site, we determined the acoustic morphospecies richness and composition of the biophony, and we used a global biodiversity dataset to estimate the regional richness of birds. Here, we demonstrate how detailed information on activity patterns of the acoustic community (<22 kHz) can easily be visualized and ASU determined by aggregating recordings collected over relatively short periods (4–13 days). We show a strong positive relationship between ASU and regional and acoustic morphospecies richness. Premontane forest sites had the highest ASU and the highest species richness, while dry forest and montane sites had lower ASU and lower species richness. Furthermore, we show that insect richness was the best predictor of variation in total ASU, and that insect richness was proportionally greater at high-diversity sites. In addition, insects used a broad range of frequencies, including high frequencies (>8000 Hz), which contributed to greater ASU. This novel approach for analyzing the presence and acoustic activity of multiple taxonomic groups contributes to our understanding of ecological community dynamics and provides a useful tool for monitoring species in the context of restoration ecology, climate change and conservation biology.

10aamphibians10aARBIMON10aBiodiversity monitoring10abirds10acommunity ecology10ainsects10apassive acoustic monitoring10arapid assessments10asoundscapes10aspecies richness1 aAide, Mitchell1 aHernández-Serna, Andres1 aCampos-Cerqueira, Marconi1 aAcevedo-Charry, Orlando1 aDeichmann, Jessica, L. uhttp://www.mdpi.com/2072-4292/9/11/109601980nas a2200229 4500008004100000022001300041245013000054210006900184260001600253300001400269490000800283520123200291653001801523653001701541653001201558653002001570653002701590100001901617700002401636700002401660856006601684 2017 eng d a0003347200aEffects of lifetime exposure to artificial light at night on cricket ( Teleogryllus commodus ) courtship and mating behaviour0 aEffects of lifetime exposure to artificial light at night on cri cJan-07-2017 a181 - 1880 v1293 a

Increasing evidence suggests that key fitness-related behaviours of animals related to courtship and mating may be disrupted by anthropogenic stressors, including artificial light at night (i.e. light produced from anthropogenic sources). Despite its ubiquity in urban habitats, we currently know very little about how artificial night lighting affects the reproductive behaviours of most animals. Our study examined the effects of chronic (lifetime) exposure to one of four ecologically relevant intensities of artificial light at night (0, 1, 10 or 100 lx at night) on courtship and mating behaviours and acoustic sexual signalling in a common nocturnal and crepuscular insect, the Australian black field cricket, Teleogryllus commodus. We found that lifetime exposure to brighter (10e100 lx) artificial light at night affected some aspects of courtship and mating behaviour: it influenced mate choice and mating efficiency in a sex-specific manner, but did not affect the multivariate structure of male courtship calls. Our results suggest that chronic exposure to bright light at night may affect some aspects of mate choice and reproductive behaviour in this common insect, and warrants further study across taxa.

10aanthropogenic10abioacoustics10ainsects10alight pollution10areproductive behaviour1 aBotha, Michael1 aJones, Therésa, M.1 aHopkins, Gareth, R. uhttp://linkinghub.elsevier.com/retrieve/pii/S000334721730157401704nas a2200301 4500008004100000022001400041245016100055210006900216260001600285300000800301490000900309520068900318653001701007653001301024653001201037653002001049653001301069100002701082700002801109700003601137700002901173700003501202700002401237700003401261700003301295700001701328856005701345 2015 eng d a1175-532600aA new species of tree crickets Oecanthus (Orthoptera, Gryllidae, Oecanthinae) in tobacco plantation from Southern Brazil, with body color variation0 anew species of tree crickets emOecanthusem Orthoptera Gryllidae  cMar-09-2016 a2660 v40183 a

We provide herein a description of a new species of Oecanthus collected from the tobacco plantation in southern Brazil, municipality of São Lourenço do Sul, State of Rio Grande do Sul. Description focused metanotal gland features, phallic sclerites, and calling song. A large sampling of individuals was distributed into four groups according to body and appendages color and dotted. We also rank all kind of marks present in the scape and pedicel. We compare linear morphometric variables of the metanotal glands and tegmina, as well as calling song parameters between groups in order do define all of them as the same species. Photographs and measurements are provided.

10abioacoustics10aEnsifera10ainsects10ametanotal gland10ataxonomy1 aMachado, Milach, Elisa1 aMartins, Luciano, de P.1 aDa Costa, Maria Kátia Matiotti1 aGottschalk, Marco, Silva1 ade Oliveira, Gabriel, Lobregat1 aRedü, Darlan, Rutz1 aNeytzling, Alexandre, Schneid1 aVasconcellos, Lucas, Avezedo1 aZefa, Edison uhttp://biotaxa.org/Zootaxa/issue/view/zootaxa.4018.202432nas a2200241 4500008004100000022001400041245014400055210006900199260002000268300001600288490000800304520158900312653001801901653002501919653001201944653001201956653002201968653002301990100002002013700001902033700001802052856012002070 2013 eng d a0022-094900aMaintaining acoustic communication at a cocktail party: heterospecific masking noise improves signal detection through frequency separation0 aMaintaining acoustic communication at a cocktail party heterospe cOct-24-20132050 a4655 - 46650 v2163 a

We examined acoustic masking in a chirping katydid species of the Mecopoda elongata complex due to interference with a sympatric Mecopoda species where males produce continuous trills at high amplitudes. Frequency spectra of both calling songs range from 1 to 80 kHz; the chirper species has more energy in a narrow frequency band at 2 kHz and above 40 kHz. Behaviourally, chirper males successfully phase-locked their chirps to playbacks of conspecific chirps under masking conditions at signal-to- noise ratios (SNRs) of −8 dB. After the 2 kHz band in the chirp had been equalised to the level in the masking trill, the breakdown of phase-locked synchrony occurred at a SNR of +7 dB. The remarkable receiver performance is partially mirrored in the selective response of a first-order auditory interneuron (TN1) to conspecific chirps under these masking conditions. However, the selective response is only maintained for a stimulus including the 2 kHz component, although this frequency band has no influence on the unmasked TN1 response. Remarkably, the addition of masking noise at 65 dB sound pressure level (SPL) to threshold response levels of TN1 for pure tones of 2 kHz enhanced the sensitivity of the response by 10 dB. Thus, the spectral dissimilarity between masker and signal at a rather low frequency appears to be of crucial importance for the ability of the chirping species to communicate under strong masking by the trilling species. We discuss the possible properties underlying the cellular/synaptic mechanisms of the ‘novelty detector’.

10aambient noise10aauditory interneuron10ainsects10akatydid10anovelty detection10aselective encoding1 aSiegert, M., E.1 aRömer, Heiner1 aHartbauer, M. uhttp://jeb.biologists.org/cgi/doi/10.1242/jeb.089888https://syndication.highwire.org/content/doi/10.1242/jeb.08988801514nas a2200217 4500008004100000245017200041210006900213260001600282300001200298490000700310520079700317653001701114653001101131653001201142653001401154653001201168653001801180100002801198700001701226856005301243 2011 eng d00aContribution to the taxonomy of Gryllus Linnaeus, 1758 in South America: Part I: Redescription of Gryllus argentinus Saussure, 1874 (Orthoptera, Grylloidea, Gryllidae)0 aContribution to the taxonomy of Gryllus Linnaeus 1758 in South A cJan-01-2011 a87 - 930 v143 a

The genus Gryllus includes 82 described species that occur in America from Canada to Argentina as well as in several areas of Africa, Europe and Asia. There are 12 species in South America, which were described in the nineteenth century based on a small number of samples and inconsistent characters such as body coloration and external morphology. The aim of this article is to redescribe Gryllus argentinus Saussure, 1874 collected in the urban areas of Pelotas, Capão do Leão and Rio Grande, in the state of Rio Grande do Sul, southern Brazil, highlighting phallic sclerites, calling song and body morphometry. We designate the lectotype male, provide a combination of diagnostic characteristics and discuss the taxonomic situation of South American Gryllus species.

10abioacoustics10aBrazil10acricket10agenitalia10ainsects10apars stridens1 aMartins, Luciano, de P.1 aZefa, Edison uhttp://doi.wiley.com/10.1111/ens.2011.14.issue-103186nas a2200217 4500008004100000022001400041245009400055210006900149260002000218300001400238490000700252520235400259653002602613653003602639653002702675653001202702653002302714653003002737100001702767856018402784 2016 eng d a1045-224900aNo phenotypic signature of acoustic competition in songs of a tropical cricket assemblage0 aNo phenotypic signature of acoustic competition in songs of a tr cJul-01-20162017 a211 - 2180 v273 a

Efficient acoustic communication in multispecies assemblages is challenging due to the presence of heterospecific signals. Masking
interference and signal confusion of similarly structured signals can impose fitness costs and, thus, drive evolutionary processes that
shape acoustic signals to reduce their overlap in signal space. Although the partitioning of signal space has been frequently studied
in frog and bird communities, this topic has received much less attention with reference to insects that communicate acoustically. In
this study, we examined the role of acoustic competition in a tropical cricket community and tested the following hypotheses: 1) cosig-
naling  species  are  expected  to  exhibit  more  dissimilar  calling  songs  as  compared  with  species  that  are  spatially  and/or  temporally 
separated  and  2)  species  signaling  with  similar  song  frequencies,  who  are  thereby  subject  to  energetic  masking,  are  more  likely  to 
differ  in  the  temporal  domain  of  their  calling  songs.  Using  non-metric  multidimensional  scaling  and  pairwise  comparison  methods  to 
measure  acoustic  dissimilarity,  we  found  no  evidence  for  either  hypothesis:  the  acoustic  signals  of  species  pairs  that  cosignaled  or 
used similar calling frequencies did not significantly differ from those of species that were spatially/temporally segregated or had large
song frequency differences. In conclusion, for the acoustically communicating cricket community investigated, no supportive evidence
for the partitioning hypothesis and the widespread belief that acoustic competition has led to divergent selection pressures on signal
structure to avoid masking interference was found. Instead, we argue that selection pressures on sensory/neuronal mechanisms seem
to more strongly drive reliable communication.

10aacoustic assemblages10aacoustic masking interference10aacoustic communication10ainsects10asignal divergence10asignal space partitioning1 aRiede, Klaus uhttps://academic.oup.com/beheco/article-lookup/doi/10.1093/beheco/arv141https://academic.oup.com/beheco/article/27/1/211/1744419/No-phenotypic-signature-of-acoustic-competition-in02681nas a2200241 4500008004100000245022200041210006900263260001600332520180900348653001802157653001202175653001402187653002202201653002102223653002102244653001902265100002202284700002002306700002302326700002002349700002702369856004302396 2017 eng d00aEvolutionary diversification of the auditory organ sensilla in Neoconocephalus katydids (Orthoptera: Tettigoniidae) correlates with acoustic signal diversification over phylogenetic relatedness and life history0 aEvolutionary diversification of the auditory organ sensilla in i cJan-03-20173 a

Neoconocephalus tettigoniids are a model for the evolution of acoustic signals as male calls have diversified in temporal structure during the radiation of the genus. Tettigoniidae have hearing organs in the forelegs with species-specific numbers of auditory sensilla in a linear crista acustica. We investigated changes of the hearing organs during an evolutionary radiation with divergence of intraspecific acoustic signals. We compared the neuroanatomy of the crista acustica from 9 Neoconocephalus species with different temporal call features, life histories, and from different phylogenetic positions. Average numbers of auditory sensilla were species-specific, ranging between 32–35 sensilla. It is likely under sexual selection for detection of male calls and natural selection for detection of bat calls. We found statistically significant differences in sensillum numbers among species, but no relationship of crista acustica length or sensillum number with phylogenetic position or life history. Statistically significant correlations existed with call patterns: species with slow pulse rates had significantly higher numbers of auditory sensilla and a longer crista acustica. Further, species with a derived double-pulsed calls had longer cristae, and continuous callers had a higher number of auditory sensilla. Correlations with crista length were stronger than with the number of auditory sensilla. The hearing organs show considerable diversity between species despite their recent divergence and morphological and ecological similarities. Thus, they have the potential to respond to various selective pressures, including divergence of temporal and spectral signal properties. Phylogenetic constraints are unlikely to limit the evolutionary change of the auditory systems.

10ahearing organ10ainsects10aradiation10asensory evolution10asexual selection10asignal evolution10atympanal organ1 aStrauß, Johannes1 aAlt, Joscha, A.1 aEkschmitt, Klemens1 aSchul, Johannes1 aLakes-Harlan, Reinhard uhttp://doi.wiley.com/10.1111/jeb.1306601809nas a2200277 4500008004100000022001400041245016700055210006900222260001600291300000800307490000900315520091000324653001701234653001601251653001201267653001201279653001501291653001301306100002901319700002301348700001901371700003401390700003301424700001701457856005701474 2017 eng d a1175-532600aNew species of Endecous (Grylloidea, Phalangopsidae, Luzarinae) from the Iguaçu National Park (Brazil), including bioacoustics, cytogenetic and distribution data0 aNew species of Endecous Grylloidea Phalangopsidae Luzarinae from cJan-03-2017 a4540 v42373 a

In this study we describe two new species of cavicolous-straminicolous crickets for southern Brazil. Endecous chape n. sp. and E. naipi n. sp. are sympatric crickets that inhabit the Atlantic Semideciduous Forest of the Iguaçu National Park and adjacent areas. The descriptions were based on morphological characters, mainly from male genitalia and tegmina of adult males. Furthermore, we describe the chromosomes and the calling song of one of the new species, E. chape n. sp., presenting a discussion about the morphology of the phallic complex of Endecous and a distribution map for the species of the genus. The type-material is deposited in the Museu de Zoologia da Universidade de São Paulo (MZSP), and in the Coleção de Insetos do Departamento de Zoologia (Zoology Department Insect Collection), Universidade Estadual Paulista—UNESP—Botucatu campus.

10acalling song10achromosomes10acricket10ainsects10aOrthoptera10ataxonomy1 aSouza-Dias, Pedro, G. B.1 aSzinwelski, Neucir1 aFianco, Marcos1 ade Oliveira, Elliott, Centeno1 ade Mello, Francisco, de A.G.1 aZefa, Edison uhttp://biotaxa.org/Zootaxa/issue/view/zootaxa.4237.302330nas a2200229 4500008004100000022001400041245008500055210006900140260001300209300001100222490000700233520169200240653001201932653002201944653001201966653001201978653002701990653001002017100001802027700001402045856004102059 1966 eng d a0022-094900aThe neuromuscular mechanism of stridulation in crickets (Orthoptera: Gryllidae).0 aneuromuscular mechanism of stridulation in crickets Orthoptera G c1966 Aug a151-640 v453 a

Study of the insect neuromuscular system appears very promising as a means of
explaining behaviour in terms of cellular operation. The relatively small number of
neurons, the ganglionic nature of the nervous system, the simplicity of the neuro-
muscular arrangement, and the repetitiveness of behavioural sequences all lend them-
selves to a solution of this problem. As a result, an increasing number of investigators
have been turning their attention to insects and especially to the large orthopterans.
Recently, Ewing & Hoyle (1965) and Huber (1965) reported on muscle activity
underlying sound production in crickets. The acoustic behaviour is well understood
(Alexander, 1961) and in the genera Gryllus, Acheta and Gryllodes communication is
mediated by three basic songs composed of three types of pulses. While working
independently on this system at the University of Cologne (W.K.) and the University
of Michigan (D.B.) using various Gryllus species, we found a number of basic
differences between the muscle activity in our crickets and that reported by Ewing
& Hoyle (1965) for Acheta domesticus. These two genera, Gryllus and Acheta, are so
nearly identical that they are distinguished solely by differences in the male genitalia
(Chopard, 1961). The present paper constitutes a survey of muscle activity patterns
producing stridulation in four species of field crickets. Since the work of the two
authors was carried out independently, non-overlapping experiments will be initialled
to indicate the investigator.

10aAnimals10aElectrophysiology10ainsects10amuscles10aneuromuscular junction10asound1 aBentley, D, R1 aKutsch, W uhttps://bio.acousti.ca/it/node/17213