Median foveola: in Orthoptera; the foveate depression of the vertex between the eyes: = central foveola.
Median forks: in Orthoptera, refers to the forks of the median vein.
Median furrow: lies between radius and media: in some Heteroptera, separates the embolium from the remainder of the corium.
Median lines: on the primaries of many moths: the first or t.a. crosses about one-third from base; the second or t.p. crosses beyond the outer third and is usually sinuate.
Median lobe: of labium in Odonata, is the partly divided glossa or ligula; probably corresponds to united glossa and paraglossae (Butler).
Median longitudinal carinae: on the metanotum of Hymenoptera, extend one on each side of the middle.
Median nervules: in Lepidoptera (Holland)1st = cubitus 2 (Comst.): 2d cubitus 1 (Comst.); 3d = media 3 (Comst.).
Median notch: in Coccidae, a notch in the edge of the pygidium, at the posterior extremity of the body.
Median plate: in Hymenoptera := sessiliventres, is the dorsal plate connecting the thorax and abdomen.
Median sector: in Odonata, = media 3 (Comst.).