)84 The University Science Bulletin. 



PLATE LXI. 



1. Ventral, view of the last three abdominal segments in first-instar male. 



2. Ventral view of last three abdominal segments of second-instar male. 



3. Ventral view of last three abdominal segments of third-instar male. 



4. Ventral view of last three abdominal segments of fourth-instar male. 



5. Lateral view of adult male genitalia. 



6. Ventral view of last three abdominal segments of fifth-instar male. 



7. Ventral view of adult male genitalia. 



8. Dorsal view of adult male genitalia. 



