submentum

submentum

(sʌbˈmɛntəm)
n
the base of an insect's lip
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
There are reports of temporary alopecia of the beard area in men after deoxycholic acid (Kybella) injections in the submentum. Patients should be counseled prior to injection.
2), distinctly flattened body, semicircular epicranial ridge punctate and setose internally, triangular submentum, mandibles without inner teeth, and 10th abdominal segment with strong teeth (Casari 2002).
Eyes small coarsely faceted; ligula anteriorly deeply notched; submentum laterally thick anteriorly narrow with straight margin.
2 in the supplementary document in Florida Entomologist 96(3) (2013) online at http://purl.fcla.edu/fcla/entomologist/browse Lateral view of male palm weevil head Palmetto weevil Rhynchophorus cruentatus Red palm weevil Rhynchophorus ferrugineus American palm weevil Rhynchophorus palmarum Ventral view of weevil head of both sexes Submentum with straight subgenal sutures Submentum with concave subgenal sutures Submentum with very narrow subgenal sutures and sculpturing between antennal scrobes ACKNOWLEDGMENTS
8) consisting of distinctly separated prementum, mentum, and submentum; ligula elongate, labial palps with 2 articles, article 1 about 2.0 times as long as article 2; submentum with 1 pair of setae; mentum with 2 pairs of setae and 1 pair of campaniform sensilla; prementum with 2 pairs of setae and 1 pair of campaniform sensilla.