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FIGURE 7 in Review of song patterns and sound production in armoured ground crickets (Orthoptera: Tettigoniidae: Hetrodini) with karyological data and taxonomic notes

FIGURE 7. Oscillograms of the calling songs in the genera Acanthoplus, Gymnoproctus, Acanthoproctus and Hetrodes (figures of Acanthoplus, Acanthoproctus and Hetrodes based on figures and data from literature; see text). A Acanthoplus discoidalis, B–C Acanthoplus longipes, D Gymnoproctus rammei, E Gymnoproctus sculpturatus, F Gymnoproctus spec., G Acanthoproctus cervinus, H Acanthoproctus diadematus, I Hetrodes pupus. Left column overview (5-s-section), right column detail (250-mssection).

FIGURE 5 in Review of song patterns and sound production in armoured ground crickets (Orthoptera: Tettigoniidae: Hetrodini) with karyological data and taxonomic notes

FIGURE 5. Oscillograms of song types in Hetrodini. Song consisting A of long trills (Cosmoderus femoralis CH8627), B of broken trills (including transitions to long echemes; B1 Spalacomimus talpa, B2 Enyaliopsis jennae, B3 Enyaliopsis ephippiatus) or C of regularly repeated echemes (C1 Spalacomimus spec. near verruciferus, C2 Eugaster guyoni). 1-min-sections.

FIGURE 3 in Review of song patterns and sound production in armoured ground crickets (Orthoptera: Tettigoniidae: Hetrodini) with karyological data and taxonomic notes

FIGURE 3. Left male tegmina of Acanthoplus discoidalis (CH8946), Acanthoproctus cervinus (CH8947), Hetrodes pupus (CHelb8948), Enyaliopsis bloyeti (CH8853), E. carolinus (CH8625), E. ephippiatus (CH7737), E. jennae (damaged; CH8267), Gymnoproctus rammei (CH8763), Eugasteroides loricatus (CH7352), Spalacomimus stettinenesis, S. talpa (CH7354), S. verruciferus (CH7188). Scale 5 mm.

FIGURE 4 in Review of song patterns and sound production in armoured ground crickets (Orthoptera: Tettigoniidae: Hetrodini) with karyological data and taxonomic notes

FIGURE 4. Stridulatory files on the underside of the left tegmen (wing articulation at the right) of A Acanthoplus discoidalis (CH8946), B Cosmoderus femoralis (CH8627), C Eugasteroides loricatus (CH7352), D Spalacomimus talpa (CH7354). Scale 1 mm.

FIGURE 2 in Review of song patterns and sound production in armoured ground crickets (Orthoptera: Tettigoniidae: Hetrodini) with karyological data and taxonomic notes

FIGURE 2. Left and right male tegmina of A Cosmoderus femoralis (CH8627), B Enyaliopsis bloyeti (CH8853), C Eugaster guyoni (CH0656), D Spalacomimus spec. near verruciferus (CH7898). Scale 5 mm.

FIGURE 13 in Review of song patterns and sound production in armoured ground crickets (Orthoptera: Tettigoniidae: Hetrodini) with karyological data and taxonomic notes

FIGURE 13. Chromosome characters in the genera of Hetrodini: the diploid number (2n), followed by the fundamental number (FN) of chromosome arms (in brackets) and the sex determination system. At the left a specimen of Eugasteroides loricatus (photo by C. Hemp).

FIGURE 1 in Review of song patterns and sound production in armoured ground crickets (Orthoptera: Tettigoniidae: Hetrodini) with karyological data and taxonomic notes

FIGURE 1. General appearance of some Armoured Ground Bush-crickets. A Enyaliopsis spec. near ephippiatus (Mwala Hill), B Gymnoproctus rammei, female (Simbo Forest), C Spalacomimus magnus (Gulwe), D Spalacomimus spec. near verruciferus m (Lossogonoi). Photos by C. Hemp

opencc-zeroDec 2014View details →

Data from: Fish sound production in the presence of harmful algal blooms in the eastern Gulf of Mexico

This paper presents the first known research to examine sound production by fishes during harmful algal blooms (HABs). Most fish sound production is species-specific and repetitive, enabling passive acoustic monitoring to identify the distribution and behavior of soniferous species. Autonomous gliders that collect passive acoustic data and environmental data concurrently can be used to establish the oceanographic conditions surrounding sound-producing organisms. Three passive acoustic glider missions were conducted off west-central Florida in October 2011, and September and October 2012. The deployment period for two missions was dictated by the presence of red tide events with the glider path specifically set to encounter toxic Karenia brevis blooms (a.k.a red tides). Oceanographic conditions measured by the glider were significantly correlated to the variation in sounds from six known or suspected species of fish across the three missions with depth consistently being the most significant factor. At the time and space scales of this study, there was no detectable effect of red tide on sound production. Sounds were still recorded within red tide-affected waters from species with overlapping depth ranges. These results suggest that the fishes studied here did not alter their sound production nor migrate out of red tide-affected areas. Although these results are preliminary because of the limited measurements, the data and methods presented here provide a proof of principle and could serve as protocol for future studies on the effects of algal blooms on the behavior of soniferous fishes. To fully capture the effects of episodic events, we suggest that stationary or vertically profiling acoustic recorders and environmental sampling be used as a complement to glider measurements.

opencc-zeroJul 2019View details →

Data from: Active sound production of scarab beetle larvae opens up new possibilities for species-specific pest monitoring in soils

Root-feeding Scarabaeidae larvae can pose a serious threat to agricultural and forest ecosystems, but many details of larval ecology are still unknown. We developed an acoustic data analysis method based on active sound production by larvae (i.e. stridulations) for gaining new insights into larval ecology. In a laboratory study, third instar larvae of the Common Cockchafer (Melolontha melolontha) (n = 38) and the Forest Cockchafer (M. hippocastani) (n = 15) kept in soil-filled containers were acoustically monitored for 5 min each, resulting in the first known stridulation recordings for each species. Subsequent continuous monitoring of three M. hippocastani larvae over several hours showed that a single larva could stridulate more than 70 times per hour, and stridulation rates increased drastically with increasing larval abundance. The new fractal dimension-based data analysis method automatically detected audio sections with stridulations and provided a semi-quantitative estimate of stridulation activity. It is the first data analysis method specifically targeting Scarabaeidae larvae stridulations in soils, enabling for the first time non-invasive species-specific pest monitoring.

opennotspecifiedJun 2017View details →

Figure 8 in Do small ermine moths sing? Possible stridulatory sound production in Yponomeutidae (Lepidoptera)

Figure 8. Confocal image: three-dimensional snapshot of the stridularium of T. brunnescens showing the angle between stridularium and membrane.

opennotspecifiedJun 2017View details →

Figure 3 in Do small ermine moths sing? Possible stridulatory sound production in Yponomeutidae (Lepidoptera)

Figure 3. Scanning electron microscope (SEM) photograph of the underside of Yponomeuta padella, showing the stridularium and adjacent clear area.

FIG. 5 in Evolutionary Patterns in Sound Production across Fishes

FIG. 5. Sensitivity of ancestral-state reconstruction of soniferous fish clades to uncertainty of character states. (A) Box and whisker plot showing median and interquartile range of ancestral probabilities for different actinopterygian clades included in Table 1 related to increases or decreases in the number of soniferous fish families. (B) Variation in ancestral probabilities for each clade related to sampling uncertainty (the percentage of families within each clade with simulated uncertainty in character state).

FIG. 3 in Evolutionary Patterns in Sound Production across Fishes

FIG. 3. Probability of soniferous behavior being ancestral within major actinopterygian clades. (A) Otocephala and (B) Eupercaria. For phylogenetic trees showing the ancestral-state estimation and associated evolutionary probabilities of sound production being ancestral by stochastic character mapping, probability is represented as a gradient where blue indicates high and red is low probability of sound production; yellow is equivocal.

FIG. 2 in Evolutionary Patterns in Sound Production across Fishes

FIG. 2. Family-level phylogenetic tree of actinopterygians depicting evolution of soniferous behavior. Shown here are probabilities from ancestralstate reconstruction using stochastic character mapping. Probability is represented as a gradient, where blue indicates a high probability and red a low probability of soniferous behavior, and yellow is ~50% probability. Tree is pruned from species-level phylogeny (Rabosky et al., 2018) to familylevel here.

FIG. 1 in Evolutionary Patterns in Sound Production across Fishes

FIG. 1. Soniferous behavior mapped onto phylogenetic tree of actinopterygian families. Tree shows three different lines of evidence for soniferous behavior used here and its phylogenetic distribution. Tree is pruned from species-level phylogeny of Rabosky et al. (2018) to family-level here.

FIG. 4 in Evolutionary Patterns in Sound Production across Fishes

FIG. 4. Family-level phylogenetic tree of actinopterygians as shown in Figure 1, but in this case mapping the distribution of three categories of soniferous mechanisms for 88 families: SBV, swim bladder vibration; STR, stridulation; non-SBV, non-swim bladder vibration (see Results section for details).

restrictedIPD-UNDECIDEDFeb 2026View details →

ClinicalTrials.gov32/100

Listening Benefits From a Hearing-aid App, a Personal Sound Amplification Product, and a Hearing Aid in Hearing-impaired Listeners

ClinicalTrials.gov study NCT05644106. IPD Sharing: Not stated. Countries: 1. Publications: 1.

ClinicalTrials.gov32/100

Treatment for /s/ Production Errors in Children With Speech Sound Errors

ClinicalTrials.gov study NCT07214480. IPD Sharing: UNDECIDED. Countries: 1. Publications: 1.

restrictedIPD-UNDECIDEDFeb 2026View details →

publicJul 2019View details →

Data from: Active sound production of scarab beetle larvae opens up new possibilities for species-specific pest monitoring in soils

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