stridulate
/ˈstrɪdjʊleɪt
/verb [no object]
(Of an insect, especially a male cricket or grasshopper) make a shrill sound by rubbing the legs, wings, or other parts of the body together: the insects buzzed, whined, hummed, stridulated, and droned (as adjective stridulating) stridulating male crickets...
- Sound production in Libanasidus is similar to that of many New Zealand weta, where the males stridulate by rubbing the lateral abdominal stridulatory pads against the modified inner surfaces of the femora.
- An arachnologist says most spiders stridulate too quietly for humans to hear; an exception is Australia's barking spider, a kind of tarantula that lets out a hissing sound when threatened.
- Spiders produce vibration ‘… by drumming with the pales and the abdomen, by stridulating, or by plucking threads of their own or other spiders' webs’.
Derivatives
stridulant
- While I was looking at the edge of the Common where the wild flowers were planted a few years ago, I was fascinated to see such large numbers of grasshoppers, and in the heat they were both stridulant and active.
- This was followed by a sudden inspiration, sometimes stridulant: the whoop.
- On examination, patient had both inspiratory and expiratory breathing noise consistent with a stridulant noise.
stridulation
- Schizocosa uetzi males have black pigmentation over the middle portion of the tibia of their forelegs and use a courtship display consisting of a stationary stridulation with an intermittent slow foreleg arch.
- However, cicadas produce their sounds - the loudest of any insects’ - not by stridulation but by vibrating membranes, or tymbals, located on their abdomens.
- Recent studies have shown that stridulations are also initiated to recruit workers to an attractive food source, and that these vibrations are transferred to the substrate through the ant's head.
stridulatory
- Forest subsequently noted that Dardanus substriatifonis should be placed in Cliopagurus Forest, 1995a, based upon possession of annulations and development of a stridulatory apparatus on the inner surface of the cheliped.
- Male Balamara gydia, Australian crickets, have a complete stridulatory apparatus but communicate with females by tapping their abdomens on vegetation.
- The katydid Neoconocephalus ensinger only ceases calling in response to batlike ultrasound when the calls are played in the window of silence between stridulatory syllables.
Origin
Mid 19th century: from French striduler, from Latin stridulus 'creaking', from the verb stridere.