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UNIVERSITY OF COLORADO STUDIES 



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Fig. i. — Habit drawing of Stizus godmani flavus. Fig. 2. — Habit drawing of Stizus 

 godmani lineatus. Fig. 3. — Habit drawing of Stizus godmani godmani. Fig. 4. — Habit 

 drawing of Bembex spinolae. 



Fig. 5. — Wings of Microbembex monodonta deltaensis: a = costa; b = subcosta; c — 

 externo-medial nervure; d=basal nervure; e=anal nervure; / = first recurrent nervure; 

 g = second recurrent nervure; i, j, h= first, second and third transverse cubitus repec- 

 tively; / = discoidal nervure; r=radius; s = cubitus; t = transverse median nervure; st = 

 stigma; 4=median cell; 5=submedian cell; C=radical cell; D, E, i ? = first, second 

 and third cubital cells respectively; G = first discoidal cell; Z = second discoidal cell; H 

 = third discoidal cell; hind wings: a=radial nervure; b = cubitus; c = median nervure; 

 d = transverse median nervure; e = anal nervure. 



Fig. 6. — Wings of Bembex spinolae. Fig. 7. — Wings of Bembidula ventralis. Fig. 

 8. — Wings of Stizus godmani flavus. Fig. 9. — Wings of Steniolia obliqua. Figs. 1-4 are 

 enlarged about 2 . 75 times; the others are greatly enlarged. 



