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27 results for “tympanal organ”
FIGURE 4 in Morphological comparison of tympanal organs between Phycitinae and Pyralinae (Lepidoptera: Pyralidae)
FIGURE 4. Tympanal organs ultrastrukture of the moths after preparation (Blue circle: Intersegmental thoraco abdominal membrane; black circle: pons tympani; black triangle: processus spiniforme; red line: fornix tympani width) a. Pyralis farinalis b. Hypsopygia glaucinalis c. Endotricha flammealis d. Dioryctria pineae e. Dioryctria mendacella f. Oncocera semirubella g. Etiella zinckenella h. Acrobasis obliqua i. Myelois circumvoluta j. Ematheudes punctellus.
FIGURE 1 in Morphological comparison of tympanal organs between Phycitinae and Pyralinae (Lepidoptera: Pyralidae)
FIGURE 1. The tympanal organ and parts of the adult Oncocera semirubella before and after preparation (con: conjunctivum, bt: bulla tympani, ft: fornix tympani, itm: intersegmental thoraco abdominal membrane, prs: processus spiniforme, pt: pons tympani, rgo: rugae odontinae, spn: spinula, tymc: tympanal cilia, ts: tergo sternal sclerite, tym: tympanum, zgt: zona glabra tympani).
Fig 2 from: Strauß J (2019) What determines the number of auditory sensilla in the tympanal hearing organs of Tettigoniidae? Perspectives from comparative neuroanatomy and evolutionary forces. Journal of Orthoptera Research 28(2): 205-219. https://doi.org/10.3897/jor.28.33586
Fig 2 Standardized effects of call patterns in Neoconocephalus on the number of CA sensilla and CA length for a. Pulse rate; b. Structure of continuous or discontinuous calls; and c. Pulse pattern. The evolutionary derived call characters are a slow pulse rate, discontinuous calls, and double pulses. Significance levels: * 0.05 > p > 0.01; ** 0.01 > p > 0.001. Adapted from Strauß et al. 2017, with permission from John Wiley and Sons.
Fig 1 from: Strauß J (2019) What determines the number of auditory sensilla in the tympanal hearing organs of Tettigoniidae? Perspectives from comparative neuroanatomy and evolutionary forces. Journal of Orthoptera Research 28(2): 205-219. https://doi.org/10.3897/jor.28.33586
Fig 1 The auditory system of bushcrickets. a. Schematic of the acoustic trachea (at) from the acoustic spiracle (as) in the thorax into the foreleg with tympanal membranes (ty) in the proximal tibia; b. Transverse section of the tibia at the level of the tympana and crista acustica in Gampsocleis gratiosa; in Gampsocleis gratiosa; c. The sensory organs in the proximal tibia of the male Tettigonia viridissima. The dorsal cuticle has been removed after axonal tracing of the tympanal nerve with cobalt solution to stain sensory neurons of the subgenual organ (SGO), intermediate organ (IO) and crista acustica. The crista acustica is placed between the anterior tympanum (aty) and posterior tympanum (pty). The tympanal flaps (tf) cover the tympanal membranes. Arrows indicate the tectorial membrane; d. Morphological differences of sensory neurons along the crista acustica from G. gratiosa, showing the (di) third-most proximal, (dii) middle, and (diii) third-most distal sensillum. Abbreviations: at, anterior trachea; aty, anterior tympanum; cc, cap cell; de, dendrite; dow, dorsal tracheal wall; hc, haemolymph channel; IO, intermediate organ; nmc, nerve muscle channel; nsc, nucleus of scolopale cell; pn, perikarya of sensory neurons; pt, posterior trachea; pty, posterior tympanum; s, septum; sb, supporting band; scol, scolopale cap and rods; SGO, subgenual organ; sli, slit; sn, sensory neuron; tf, tympanal flap; tm, tectorial membrane. Scales: 500 µm (B), 100 µm (C), 50 µm (D). Figure a. reprinted from Strauß et al. 2014, with permission from John Wiley and Sons. b., d. redrawn from Lin et al. 1994, with permission from John Wiley and Sons.
FIGS. 53–56 in Implications of the tympanal hearing organ and ultrastructure of chaetotaxy for the higher classification of Embioptera
FIGS. 53–56. Comb setae on the edge and ventral surface of foretarsus basal segment. 53, Australembia incompta (Australembiidae): arrow indicating broad and recumbent comb setae; 54, Antipaluria urichi (Clothodidae); 55, Chelicerca barbara (Anisembiidae): arrow indicating slender comb setae; 56, Oligotoma saundersii (Oligotomidae).
FIGS. 24–28 in Implications of the tympanal hearing organ and ultrastructure of chaetotaxy for the higher classification of Embioptera
FIGS. 24–28. Shapes of auditory organ on right hind femur: 24, Chelicerca barbara (Anisembiidae); 25, C. wheeleri (Anisembiidae); 26, Australembia incompta (Australembiidae); 27, Anisembia piticial (Anisembiidae); 28, Mesembia chamulae (Anisembiidae).
FIGS. 2–5 in Implications of the tympanal hearing organ and ultrastructure of chaetotaxy for the higher classification of Embioptera
FIGS. 2–5. General view of the auditory organ on femora indicated by black arrows: 2, Clothoda longicauda female (Clothodidae) forefemora dorsal view; 3, Chelicerca wheeleri male (Anisembiidae) forefemora dorsal view; 4, Chelicerca barbara female, middle and hind femora dorsal view; 5, Chelicerca barbara male, middle and hind femora anterolateral view.
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