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Tympanal organ on the tibia of the katydid Zabalius aridus Tympanal organ of two species of moths, ventral view of abdomen (Tineidae and Pyralidae). A tympanal organ (or tympanic organ) is a hearing organ in insects, consisting of a tympanal membrane stretched across a frame backed by an air sac and associated sensory neurons. [1]
The tympanum is an external hearing structure in animals such as mammals, birds, some reptiles, some amphibians and some insects. [ 1 ] Using sound, vertebrates and many insects are capable of sensing their prey, identifying and locating their predators, warning other individuals, and locating potential mates and rivals by hearing the ...
Insect morphology is the study and description of the physical form of insects. ... are hearing organs. Such an organ is generally a membrane (tympanum) stretched ...
The tymbal (or timbal) is the corrugated exoskeletal structure used to produce sounds in insects. In male cicadas, the tymbals are membranes in the abdomen, responsible for the characteristic sound produced by the insect.
Tympanum may refer to: Tympanum (architecture), an architectural element located within the arch or pediment; Tympanum (anatomy), a hearing organ/gland in frogs and toads, a flat red oval on both sides of a frog's head; Tympanum, in biology, the eardrum; Tympanum, or tympanal organ, a hearing organ in insects
The subgenual organ ('organ below the knee') is found in all insects legs, and the probably an evolutionary artifact of prior insect body-types which used their legs to detect vibrations from the substrate (viz., treehoppers). The intermediate organ and the crista acustica, on the other hand, are only found where there is a tympanum, such as on ...
This range of frequencies is called a carrier frequency. Tree crickets are unique in the way they use carrier frequencies because the range of frequencies changes according to the temperature. Due to this, female tree crickets have tympanum (hearing organs) that can receive a much wider range of frequencies than most other insects. [6]
Crista acustica (also Siebold's organ, or crista acoustica) is a part of the hearing organ (tibial organ) in some insects (e.g. grasshoppers, crickets, katydids).It is a collection of sensory cells that form a crest (hence the name) on top of the hollow tube (the foreleg trachea) behind the hearing membrane (tympanum) on the legs of the insect.