Definition:
Relationships / properties:
When present, the postmento-premental muscle is attached to the cuticle. When present, the postmento-premental muscle is attached to the postmentum. When present, the postmento-premental muscle is attached to the prementum.
postmento-premental muscle by Vilhelmsen, L. 2010. Curator..
premental retractor by Vilhelmsen, L. 1996. The preoral cavity of lower Hymenoptera (Insecta): comparative morphology and phylogenetic significance. Zoologica Scripta 25:143-170.
M. submentopraementalis by Beutel, R., and L. Vilhelmsen. 2007. Head anatomy of Xyelidae (Hexapoda: Hymenoptera) and phylogenetic implications. Organisms, Diversity & Evolution 7:207-230.
alternative definition added over 14 years ago by Istvan Miko
Unpaired muscle arising (when present) on the postmentum and inserting on the proximal margin of the prementum.
Reference: Vilhelmsen, L. 1996. The preoral cavity of lower Hymenoptera (Insecta): comparative morphology and phylogenetic significance. Zoologica Scripta 25:143-170.
Cross reference:
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