436 Tur BLOWFLIES OF NortH AMERICA 
PLATE 32 
Huascaromusca bicolor (Fabricius) 
Larva, first instar 
Cephaioskeleton, left lateral view. 
Cephaloskeleton, dorsal view. 
Posterior spiracle. 
Huascaromusca facialis (Aldrich) 
Larva 
Qu Pp 
Cephalic segments 
Cephaloskeleton. 
Posterior segments, ventral view. 
Posterior spiracles and stigmal field, posterolateral view. 
Posterior spiracle. 
He eo 
