3. DISTRIBUTION AND SYNONYMY
I
I 20"
160"
I 60"
120"
8 0 '
40"
0"
40"
09"
FIG. 14. Distribution of Thysanopoda orientalis, T . microphthdma and T. acutifrons. Stippling and hatching are arerts of occurrence;
symbols are records of occurrence; question marks are doubtful records.