Definition:
Relationships / properties:
When present, the anterior fronto-labral muscle is attached to the cuticle. When present, the anterior fronto-labral muscle is attached to the labrum. When present, the anterior fronto-labral muscle is attached to the upper face.
anterior fronto-labral muscle by Vilhelmsen, L. 2010. Curator..
anterior labral retractor by Vilhelmsen, L. 1996. The preoral cavity of lower Hymenoptera (Insecta): comparative morphology and phylogenetic significance. Zoologica Scripta 25:143-170.
anterior labral retractor by Vilhelmsen, L. 2010. Curator..
alternative definition added almost 14 years ago by Istvan Miko
The unpaired anterior labral retractor arises proximally on the frons and inserts on the median proximal margin of the labrum.
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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