Source : Webster's Revised Unabridged Dictionary (1913)

Pseudohalter \Pseu`do*hal"ter\, n.; pl. {Pseudohalteres}. [NL.
   See {Pseudo-}, and {Halteres}.] (Zo["o]l.)
   One of the rudimentary front wings of certain insects
   ({Stylops}). They resemble the halteres, or rudimentary hind
   wings, of Diptera.