torulusn.
/ˈtɒruːləs//ˈtɒr(j)ʊləs//ˈtɔːjʊləs/ Entomology.
A cavity or orifice in the head of an insect, forming the socket of the antenna.
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the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [noun] > head > antennae > socket of in head
torulus1826
1826 W. Kirby & W. Spence Introd. Entomol. III. xxxiv. 511 In considering the insertion of antennæ..we must advert first to the orifice (Torulus) that receives them. This is a perforation of the crust of the head; commonly..circular... In..Rhipicera..it is a long process..: in another Coleopterous genus, Priocera, it has somewhat of the shape of a trumpet.
1826 W. Kirby & W. Spence Introd. Entomol. III. xxxiv. 512 A membranous ligament is attached by which it is affixed to the torulus.
This entry has not yet been fully updated (first published 1913; most recently modified version published online March 2021).
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