epistomal sulcus or suture
(ARTHROPODA: Insecta)
The groove situated between the frons and clypeus that unites with the anterior ends of the subgenal sulcus extending to the anterior tentorial pits.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • frontoclypeal sulcus or suture — see epistomal suture …   Dictionary of invertebrate zoology

  • clypeus — n. [L. clypeus, shield] 1. (ARTHROPODA: Chelicerata) The anterior tagma between eyes and cheliceral bases in arachnids. 2. (ARTHROPODA: Crustacea) That part of the head bearing the labrum. 3. (ARTHROPODA: Insecta) The sclerite on the lower part… …   Dictionary of invertebrate zoology

  • frontoclypeal area — (ARTHROPODA: Insecta) The front of the head, that is divided by the epistomal sulcus (or suture) into the frons above and the clypeus below …   Dictionary of invertebrate zoology

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