TY  - BOOK
AU  - Mathias,Wayne N.
TI  - Studies of Gymnomyzinae (Diptera, Ephydridae), II: a revision of the shore fly subgenus Pseudohecamede Hendel of the genus Allotrichoma Becker
PY  - 1991///
CY  - Washington, D.C.
PB  - Smithsonian Institution Press
N1  - Companion to: Smithsonian contributions to zoology ; -- no. 522
ER  -