Ecological and Behavior Notes 71 



Plate V 



Fig. 1. Nest of the potter wasp, Eumenes fraternus. (Photo by Dr. C. 



H. Turner.) 

 Fig. 2. Bits of vegetation from which Mcgachile gcnerosa makes her 



cup-shaped cells. 

 Fig. 3. A sample of the work of defoliation on sour-dock, done by 



Gastroidca cyant'a. 

 Fig. 4. Nests of Megachile bees in hollow twigs. 



Plate VI 



Fig. 5. Opening to the burrow of Notiochares philadelphictis. 



Fig. 6. Cells from which Aufjochlorn similis emerged. 



Fig. 7. Misumena olcatoria feeding upon (p) grasshopper. 



Fig. 8. Bembix spinoJac digging her burrow. 



Plate VII 



Fig. 9. The cells of the burrowing bee, Anthophora abrupta. 



Fig. 10. Wood burrow of carpenter bee, Xylocopa virginUa, reused by 



wasp, Monobia quadridcns, which made the mud partitions. 

 Fig. 11. An unusual decoration of seeds on bag of Thyridopteryx 



ephemaeformis. 



Plate VIII 

 Fig. 12. Burrow of Cerceris fumipennis. 



