tentorial pits

tentorial pits
External depressions on the surface of the head marking points of union of the arms with the outer wall of the head; usually two in the epistomal suture and one at the lower end of each postoccipital suture.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • anterior tentorial pits — (ARTHROPODA: Insecta) External depressions in the epistomal suture marking the base of the anterior tentorial arm(s) …   Dictionary of invertebrate zoology

  • tentorial fovea — see tentorial pits …   Dictionary of invertebrate zoology

  • anterior tentorial arms — (ARTHROPODA: Insecta) An apodeme arising from the anterior tentorial pits, meeting the posterior tentorial arm at a visible fusion point; sometimes bearing a small dorsal or ventral tentorial arm …   Dictionary of invertebrate zoology

  • posterior tentorial arms — (ARTHROPODA: Insecta) The apodeme extending anteriad from the posterior tentorial pits of the head …   Dictionary of invertebrate zoology

  • clypeal fovea — (ARTHROPODA: Insecta) In Ichneumonid Hymenoptera, one of two anterior tentorial pits, appearing as a shallow impression in the groove between the clypeus and face …   Dictionary of invertebrate zoology

  • 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 …   Dictionary of invertebrate zoology

  • gula — n. [L. gula, gullet] 1. (ARTHROPODA: Diplopoda) The reduced sternite of the first trunk segment forming the posterior part of the gnathochilarium; the hypostoma. 2. (ARTHROPODA: Insecta) A median ventral plate of the head, extending from the… …   Dictionary of invertebrate zoology

  • postoccipital suture — | ̷ ̷+ noun : a posterior groove on the cranium of an insect having tentorial pits at each end and forming internally a ridge on which dorsal neck and prothoracic muscles find their attachment …   Useful english dictionary

  • flea — /flee/, n. 1. any of numerous small, wingless bloodsucking insects of the order Siphonaptera, parasitic upon mammals and birds and noted for their ability to leap. 2. either of two common fleas of the genus Ctenocephalides, the very small, black… …   Universalium

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