Sympotthastia update 



41 



3s/" - 



Figs. 1-3. Sympotthastia diastena from Oregon: 1, wing; 2, head showing 

 endoskeleton; 3, hypopygium showing endoskeleton. 



eye; outer verticals few, extending only to top of eye; inner verticals and 

 orbital setae absent. Clypeal setae 0-15. Palpal length less than width of 

 face; second and third segment partially fused (Fig. 2). Antepronotum 

 with medial commissure closed under scutal process (i.e., antepronotal 

 halves not gaping) and only lateral setae present. Acrostichals absent. 

 Dorsocentrals usually uniserial at mid-thorax but otherwise multi-serial. 

 Prealars with some setae forward and free of main cluster. Scutellar 

 setae numerous. Wing macrotrichia on cells absent but punctations 

 gross and visible at X400; setae on R 4+5 usually absent; anal lobe 

 rounded; squama setae dark; alula without setae; venarum ratio 0.87- 

 0.90. Spiniform setae of legs present only on 1st and 2nd tarsomere (ta) 

 of P 2 and P 3 ; other leg setae finer. Ta 4 cylindrical and shorter or longer 



