Vibration receptor organs in the insect leg: neuroanatomical diversity and functional principles

Strauß, Johannes; Stritih-Peljhan, Nataša; Nishino, Hiroshi

doi:10.1016/j.cois.2023.101153

Cited by 3 publications

(4 citation statements)

References 63 publications

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“…For a mechanoreceptor organ, the coupling to other anatomical elements is crucial since these can provide the mechanical energy from activating inputs such as sound, vibration, or stretch [ 18 , 51 ]. In this respect, the functional morphology of chordotonal organs provides the basis for the biomechanics of sensory organs [ 27 , 52 ]. Hence, the connection between two chordotonal organs suggests that the sensory organs may be functionally coupled and therefore physiologically similar [ 29 ].…”

Section: Discussionmentioning

confidence: 99%

“…These sensory organs usually show morphological differences in their position and attachments [ 22 , 23 , 24 , 25 ]. The stimulus transfer to the sensilla depends on the connection of sensory organs to other structures like the leg cuticle or the position in the haemolymph channel [ 22 , 26 , 27 ]. The complexity of sensory structures increases by connections between individual sensilla, sensilla groups, or sensory organs.…”

Section: Introductionmentioning

confidence: 99%

“…The complexity of sensory structures increases by connections between individual sensilla, sensilla groups, or sensory organs. The morphological connection between sensory organs is also functionally relevant with respect to physiological similarities, e.g., in frequency tuning to vibration stimuli [ 27 ]. Such a morphological connection is documented in the subgenual organ complex of stick insects (Phasmatodea), which consists of two chordotonal organs, the subgenual organ (SGO) and the distal organ (DO) located in close proximity to each other [ 21 , 28 ].…”

Section: Introductionmentioning

confidence: 99%

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Functional Morphology of Leg Mechanosensory Organs in Early Postembryonic Development in the Stick Insect (Sipyloidea chlorotica)

Strauß

2024

Insects

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The subgenual organ complex of stick insects has a unique neuroanatomical organisation with two elaborate chordotonal organs, the subgenual organ and the distal organ. These organs are present in all leg pairs and are already developed in newly hatched stick insects. The present study analyses for the first time the morphology of sensory organs in the subgenual organ complex for a membrane connecting the two sensory organs in newly hatched insects (Sipyloidea chlorotica (Audinet-Serville 1838)). The stick insect legs were analysed following hatching by axonal tracing and light microscopy. The subgenual organ complex in first juvenile instars shows the sensory organs and a thin membrane connecting the sensory organs resembling the morphology of adult animals. Rarely was this membrane not detected, where it is assumed as not developed during embryogenesis. The connection appears to influence the shape of the subgenual organ, with one end extending towards the distal organ as under tension. These findings are discussed for the following functional implications: (1) the physiological responses of the subgenual organ complex to mechanical stimuli after hatching, (2) the influence of the membrane on the displacement of the sensory organs, and (3) the connection between the subgenual organ and distal organ as a possible functional coupling.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Functional Morphology of Leg Mechanosensory Organs in Early Postembryonic Development in the Stick Insect (Sipyloidea chlorotica)

Strauß

2024

Insects

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“…Insects are susceptible to a wide range of mechanical stimuli, including touch, sound, air currents, and body area deformations brought on by either self-generated movement or external forces [ 22 , 23 ]. Sensilla trichoidea (ST-I, ST-II, ST-III), sensilla placodea (SP-I, SP-II), sensilla chaetica (SCH-I, SCH-II), sensilla campaniformia (SCA), and sensilla basiconica (SB-I) are currently thought to be in charge of mechanoreception in Gerromorpha, according to the morphological study [ 24 ].…”

Section: Discussionmentioning

confidence: 99%

Comparative SEM Study of Sensilla and Tyloid Structures in the Antennae of Vespinae (Hymenoptera: Vespidae)

Zhou,

Huang,

Ullah

et al. 2024

Insects

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This study investigates the distribution, morphology, and potential functions of antennal sensilla in various wasp species, including Dolichovespula flora, D. intermedia, Vespula structor, Vl. vulgaris, Provespa barthelemyi, Vespa bicolor, V. ducalis, V. mocsaryana, and V. velutina var. nigothorax. The study thoroughly analyzes the antennal structure of these species, representing all four genera of the yellow-jacket and hornet subfamily Vespinae. Using scanning electron microscopy (SEM), the study identifies a total of nineteen types of sensilla, including sensilla trichodea (ST-I, ST-II, ST-III), sensilla campaniform (SCF-I, SCF-II, SCF-III), pit organs (SCO-I, SCO-II, and SA), sensilla placodea (SP-I, SP-II), sensilla chaetica (SCH-I, SCH-II), sensilla basiconica (SB-I, SB-II), sensilla agmon (SAG-I, SAG-II), and sensilla coelocapitular (SCA). Additionally, tyloids were observed in the males of seven species, except for Vl. structor and Vl. vulgaris. The study provides insights into these sensilla types’ morphology, abundance, and distribution. It discusses the variations in sensilla morphology among different species and the presence of gender-specific sensilla. This study provides new data about the morphology and distribution patterns of sensilla and tyloid.

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Editorial overview: From neurons to ecology: how sensory information guides insect behaviour

Hempel de Ibarra,

Mustard

2025

Current Opinion in Insect Science

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Vibration receptor organs in the insect leg: neuroanatomical diversity and functional principles

Cited by 3 publications

References 63 publications

Functional Morphology of Leg Mechanosensory Organs in Early Postembryonic Development in the Stick Insect (Sipyloidea chlorotica)

Functional Morphology of Leg Mechanosensory Organs in Early Postembryonic Development in the Stick Insect (Sipyloidea chlorotica)

Comparative SEM Study of Sensilla and Tyloid Structures in the Antennae of Vespinae (Hymenoptera: Vespidae)

Editorial overview: From neurons to ecology: how sensory information guides insect behaviour

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