2d Costal section R 2+3 Costa 
Subcosta / R 4+5 
Dorsocentral bristles (dc) ' 
Acrostichals (acr),/ 
Mesonotum 
Notopleuron / / //'/‘ 
Mesopleuron / / / / //' 
Humerus ’ \ / * 
Orbital 
bristles N 
Orbital 
setulae N 
3d 
Antennal 
segment 
4th 
Costal 
/ section 
Arista Gena^ 
Parafacial — y ' 1 
Vibrissa 
Palpus 1 J 
/ 
Proboscis ! 
M 1+2 
- Outer 
crossvein 
M 3+4 
X Discal cell 
N Inner crossvein 
""Scutellum 
" Squamal fringe 
Halter 
'Squama 
Tergite 
-Ovipositor sheath 
Tibia 
/ Sternopleuron 
Tarsus 
Figure 1. — Female agromyzid, side view. 
4 
