metinfraepisternum

plural metinfraepisterna

1. rarebiologyIn Odonata, a ventral subdivision of the metepisternum.

   [...] except for a narrow dark margin along metapleural suture, becoming broader toward metinfraepisternum[.]

   2012, A review of the New Guinean genus Paramecocnemis Lieftinck (Odonata: Platycnemididae), with the description of three new species, page 164

   3 more examples

   The presternum and sternum are fused, and the cephalo-lateral arms extend around the cephalic margins of the coxae and unite with the metinfraepisterna.

   1918, Illinois. Natural History Survey Division, Bulletin, page 433

   On the thorax the mid-dorsal black stripe covers half of the mesepisternum, the humeral is almost as wide as the pale antehumeral, a black line is present on the second lateral suture, and the metinfraepisternum is outlined in black.

   1925-, Entomological news, page 200

   The new subspecies differs from the nominotypical one by a very prominent subapical cercal tooth, the convex inner margin of the paraproct arms and a trapezoid incision between them, the antehumeral stripe finely separated from that on the metinfraepisternum in males and strong singular spines at the sides of the occipital plate in females.

   2021, Burmagomphus williamsoni eddiei subsp. nov. (Odonata, Gomphidae) from northern Cambodia, page 1