62 Tratis. Acad, of St. Louis 



its dainty pro])oscis, a small caterpillar from which it was 

 Slicking the juices. 



S'nira diadcma Fabr. [E. II. Gibson]. Feeding on 

 small beetle, June 1>2, 1916. 



Apiomerus crnssipes Fabr. [E. H. nii)soii]. Walked 

 sidewise when uncovered under loose board, June '2'2, 

 1!)16. 



AIi/dns rurirnis Say. var, A. nfcr Dall. [O, Ileideman]. 

 In flip:ht and in manner of walking they closely resemble 

 wasi)s, October 27, 1916. 



DiPTERA 



Morellia micans Macq. [J. M. Aldrioh]. Three of these 

 Dij)teT-a were found huddled together under the bark of 

 a dead tree, on November 26, 1916. They appeared dead 

 or frozen, but soon revived in the warmth of my pocket, 

 and became quite active. 



Trichiopodo radiat a hoew. [C. H. T. Townsend]. Pair 

 in copulo at Wickes, ^lo., on sumac, June 28, 1918. 



Pyrgota loidata Weid. [F. Knab]. Taken at lights 10 

 p. 111. May 26, 1917. 



Trphritis acqualis Loew. [F. Knab]. Some wasj), as 

 yet undiscovered, had used this species of Hy exclusively 

 in provisioning her nest in tlic hollow of a sumac stem. 

 The two lower cells, less than an inch in Icngtii, con- 

 tained each six flies, while the tojmiost cell was evidently 

 just being filled by the wasp-mother, and containcnl only 

 one fly. No wasp c^^::: was found. 



Toxophora pellucida Coq. [C. T. Creene]. Tliis Dip- 

 teron emerged from a bramble where it had evidently 

 been parasitic on wasps, since between the mud \k\v- 

 titions were dead and shrunk(>n Lepido])terous larvae, 

 the provisions stored liy the Kumenid wasps for their 

 young. 



Tipula sp. [J. M. Aldrich], Crane fly devoured by an 

 p]nglish sparrow, May 15, 1915. 



Proctacanthus milherti Macq. [Y. Knab.] On several 



