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hyperpneustic. In DICTIOUS you will not only get to know all the dictionary meanings for the word
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English
Adjective
hyperpneustic (not comparable)
- (zoology, rare) Of certain diplurans, having an abnormally high number of thoracic spiracles (openings for respiration).
1936, Philippine Journal of Science, page 196:In the most primitive condition twelve spiracles are present, being located on each of the thoracic and the anterior nine abdominal segments. This condition, however, is only known in the embryonic state of Leptinotarsa, In the postembryonic stages eleven pairs of spiracles, at most, are exceptionally present in the hyperpneustic insects, such as Japyx spp., which are provided with the prothoracic spiracles.
2013, Beutel, Rolf, Insect morphology and phylogeny : a textbook for students of entomology, page 85:A hyperpneustic condition occurs in the dipluran family Japygidae, where additional spiracles are present in the meso- and metathorax.
References
- ^ Torre-Bueno, J. R. de la (José Rollin), 1871-1948 (1989) The Torre-Bueno glossary of entomology, page 347