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112 results for “bush-cricket species”
Figure 9 in Biogeography, phylogeny and acoustics of the flightless bush-crickets of the East African genus Monticolaria Sjöstedt, 1909, with the description of a new species (Orthoptera: Phaneropterinae)
Figure 9. Male stridulatory file of Monticolaria kilimandjarica (A–C), M. manyara (D–F) and M. meruensis (G–I). A,D,G, overview; B,E,H, details of the file near the wing base; C,F,I large stridulatory teeth (wing base to the right; see text).
Figure 11 in Biogeography, phylogeny and acoustics of the flightless bush-crickets of the East African genus Monticolaria Sjöstedt, 1909, with the description of a new species (Orthoptera: Phaneropterinae)
Figure 11. Distribution of Phaneropterinae taxa in montanous areas of East Africa morphologically related to Monticolaria.
Figure 7 in Biogeography, phylogeny and acoustics of the flightless bush-crickets of the East African genus Monticolaria Sjöstedt, 1909, with the description of a new species (Orthoptera: Phaneropterinae)
Figure 7. Spectrum of the song of Monticolaria kilimandjarica, high pass filtered at 4 kHz. Black line: song recorded with Genrad 1988 in the laboratory. Grey: song recorded with Pettersson D1000X in the field; peak at about 5–10 kHz from Aerotegmina kilimandjarica, at 40–45 kHz from Amytta olindo, both singing simultaneously.
Figure 6 in Biogeography, phylogeny and acoustics of the flightless bush-crickets of the East African genus Monticolaria Sjöstedt, 1909, with the description of a new species (Orthoptera: Phaneropterinae)
Figure 6. Song of Monticolaria kilimandjarica. A–F: calling song. A, field recording; B–F, laboratory recording; G, H, rivalry song? (see text).
Figure 4 in Biogeography, phylogeny and acoustics of the flightless bush-crickets of the East African genus Monticolaria Sjöstedt, 1909, with the description of a new species (Orthoptera: Phaneropterinae)
Figure 4. Lateral view on fastigium verticis of male: A, M. manyara; B, M. kilimandjaric; C, M. meruensis. Abdominal apices of male: D, M. manyara; E, M. kilimandjarica; and F, M. meruensis. Lateral view of abdominal apex of female: G, M. manyara; H, M. kilimandjarica; I, M. meruensis (scale bars represent 2 mm).
Figure 1 in Biogeography, phylogeny and acoustics of the flightless bush-crickets of the East African genus Monticolaria Sjöstedt, 1909, with the description of a new species (Orthoptera: Phaneropterinae)
Figure 1. Molecular phylogeny of Monticolaria species based on DNA sequences from the mitochondrial gene cytochrome oxidase subunit I (COI). Bootstrap values (1000 replicates) at nodes in the order: distance, ML, MP. '*' for nodes not resolved.
Figure 5. A, Male M in Biogeography, phylogeny and acoustics of the flightless bush-crickets of the East African genus Monticolaria Sjöstedt, 1909, with the description of a new species (Orthoptera: Phaneropterinae)
Figure 5. A, Male M. manyara; B, habitat of M. manyara: strongly disturbed montane forest on the southern slopes of Mt. Hanang; C, female M. kilimandjarica; D, male M. kilimandjarica.
The mosaic distribution pattern of two sister bush-cricket species and the possible role of reproductive interference
<p>Reproductive interference can shape regional distribution patterns in closely related species, if prezygotic isolation barriers are weak. The study of such interaction could be more challenging in nuptial gift-giving species due to the direct nutritional effects on both sexes of both species during copulation. We mapped the distribution of two sister bush-cricket species, Pholidoptera aptera and P. transsylvanica, at the northern margin of their overlapping ranges in Europe and, with a behavioural experiment, we tested the possibility of heterospecific mating. We found a very rare coexistence of species locally (0.5%, n = 391 sites) with mostly mutually exclusive distribution patterns, resulting in a mosaic pattern of sympatry, whereas they occupied the same climate niche in forest-dominated mountain landscape. Over 14 days of a mating experiment with seven mixed groups of conspecifics and heterospecifics (n = 56 individuals in total), the number of received spermatophores per female was 3–6 in P. aptera and 1–7 in P. transsylvanica. In total, we found 8.1% of heterospecific copulations (n = 99 transferred spermatophores with genetic identification of the donor species), while we also confirmed successful the transfer of heterospecific sperms into a female's reproductive system. Because bush-cricket females also obtain required nutrition from a heterospecific spermatophylax what should increase their fitness and fecundity, we suggest that their flexibility to mate with heterospecifics is beneficial and drives reproductive interference. This may substantially limit the reproductive success of the less frequent species (P. transsylvanica), coupled with eventual detrimental effects from hybridization, and result in the competitive exclusion of that species from their areas of coexistence.</p>
Figure 8 in Biogeography, phylogeny and acoustics of the flightless bush-crickets of the East African genus Monticolaria Sjöstedt, 1909, with the description of a new species (Orthoptera: Phaneropterinae)
Figure 8. Stridulatory file of M. kilimandjarica.
The mosaic distribution pattern of two sister bush-cricket species and the possible role of reproductive interference
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FIGURE 8 in Isophya sonora, a new bush-cricket species from Eastern Black Sea region of Turkey (Orthoptera: Tettigoniidae; Phaneropterinae)
FIGURE 8. Oscillograms of the new species and closely related other five Isophya species of the male calling songs.
FIGURE 5 in Isophya sonora, a new bush-cricket species from Eastern Black Sea region of Turkey (Orthoptera: Tettigoniidae; Phaneropterinae)
FIGURE 5. SEM pictures of the male stridulatory organ of I. sonora sp. n.: A–B. General morphology of the file; C–D. Distal and proximal part of the file; E–F. Medial and distal pegs of the file at higher magnification.
FIGURE 3 in Isophya sonora, a new bush-cricket species from Eastern Black Sea region of Turkey (Orthoptera: Tettigoniidae; Phaneropterinae)
FIGURE 3. Male habitus Isophya sonora sp. n. (A–D) and I. karadenizensis (E–F, from type locality; Soðanlý Mountains, Trabzon, Turkey).
FIGURE 7 in Isophya sonora, a new bush-cricket species from Eastern Black Sea region of Turkey (Orthoptera: Tettigoniidae; Phaneropterinae)
FIGURE 7. The carrier wave of the male calling song of the new species has its intensive signals between 15–25 kHz (FFT size 1024, window-function Blackmann-Harris).
FIGURE 2 in Isophya sonora, a new bush-cricket species from Eastern Black Sea region of Turkey (Orthoptera: Tettigoniidae; Phaneropterinae)
FIGURE 2. The morphology of Isophya sonora sp. n., A. Fastigium from above, B. Pronotum and tegmina from above, C. Pronotum and tegmina in profile, D–E. Male cerci, F. Subgenital plate.
FIGURE 4 in Isophya sicula sp. n. (Orthoptera: Tettigonioidea), a new, morphologically cryptic bush-cricket species from the Eastern Carpathians (Romania) recognized from its peculiar male calling song
FIGURE 4. SEM photos of the male stridulatory file of Isophya sicula sp. n. (A), Isophya posthumoidalis (B), Isophya camptoxypha (C) and stridulatory bristles on the dorsal surface of the inner quartile of right elytrum of an Isophya sicula sp. n. female. Scale is the same for A, B, C, but different in D.
FIGURE 3 in Isophya sicula sp. n. (Orthoptera: Tettigonioidea), a new, morphologically cryptic bush-cricket species from the Eastern Carpathians (Romania) recognized from its peculiar male calling song
FIGURE 3. Drawings illustrating the typical eidonomy of Isophya sicula sp. n. male and female. A, male head, pronotum and elytra from above, B, female head, pronotum and elytra from above, C, male pronotum and elytra in profile, D, male external genitalia, E, ovipositor, F, subgenital plate of female, G, cerci and epiproct of female
FIGURE 2 in Isophya sicula sp. n. (Orthoptera: Tettigonioidea), a new, morphologically cryptic bush-cricket species from the Eastern Carpathians (Romania) recognized from its peculiar male calling song
FIGURE 2. Power spectra of the male calling song of Isophya sicula sp. n. (‒), Isophya camptoxypha(−) and Isophya posthumoidalis(…). (FFT size 1024 points, window function Blackmann-Harris)
FIGURE 10. Mimoscudderia longicaudata n in Notes on a small collection of phaneropterine bush-crickets (Insecta: Orthoptera: Tettigonioidea) from Central and Southern Madagascar with the description of two new species
FIGURE 10. Mimoscudderia longicaudata n. sp. A head, B pronotum lateral, C pronotum dorsal, D ovipositor (scale 5 mm).
FIGURE 4 in Notes on a small collection of phaneropterine bush-crickets (Insecta: Orthoptera: Tettigonioidea) from Central and Southern Madagascar with the description of two new species
FIGURE 4. Genital structures of Eurycorypha species. A, B Eurycorypha cereris type (Museum Stockholm), apex dorsal (A) and subgenital plate (B), C, D male of E. prasinata from Madagascar from the collection of Natural History Museum London, UK, apex semi-dorsal (C) and subgenital plate (D), E, F specimen CH8595 from Anakao, apex semilateral (E) and subgenital plate (F).
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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