Pseudo-coel: a false hollow; a hollow which does not form a tube.
Pseudo-cone: a soft, gelatinous cone in the compound eye of some insects, replacing the crystalline cone of others.
Pseudo-elytra: the aborted anterior wings of Strepsiptera.
Pseudogyna fundatrix: in Aphids, is the immediate issue of a fecundated egg: a stem-mother.
Pseudogyna gemmans: in Aphids. are wingless descendants of the stem-mother (fundatrix) or of the winged migrants (migrans) which reproduce asexually through a number of generations.
Pseudogyna migrans: in Aphids, the winged descendants of the stem- mother (fundatrix) through which the species is spread.
Pseudogyna pupifera: in Aphids, the last generation of p. gemmans, which produces the true sexes.
Pseudogyna: a female that reproduces without impregnation.
Pseudo-halteres: the rudimentary primaries of Stylops.
Pseudo-neurium: a false vein formed by a chitinous thickening of a wing fold.