92 Kansas Academy of Science. 



Family Bombyliid^. 

 Spogostylum oedipus Fabr. 



Common about flowers on the prairie during July and August. 

 Anthrax ceyx Loew. 



The only time I have met with this species was on August 16, 1897, when 

 I took a half a dozen or so on the blossoms of a species of Solidago at 

 the edge of the timber along French creek, four miles north of Onaga, 

 Anthrax sinuosa Wied. 



I have taken this on the prairie and in the timber; it occurs from June 

 until August, 

 Bombylius major lArmC'. 



I have taken this species on blossoms of the apricot from April 13 to 

 April 17. 



Family Asilid^. 

 Leptogaster varipes Loew. 



Some years quite common; on the prairies during the latter part of June. 

 Ospriocerus eutrophus Loew. 



This rare and pretty species I have taken in rank grass on the prairie in 

 July. 



Ecthodopa pubera Loew. 



Occurs from the last of May to the last of August along the larger 

 streams among the weeds in the timber. 

 Holcocephala abdominalis Say. 



Abundant along sloughs, where it frequents flowers growing in such situa- 

 tions. June to July. 

 Atomosia puella Wied. 



Common. I have taken it along sloughs and in the timber along the 

 creeks from June to September. 

 Ommatius marginellus Fabr. 



The two specimens I have of this rare species were taken the first week 

 in July, one in the timber and the other on the prairie. 

 Erax rapax 0. S. 



A rather uncommon species; taken on the prairie in September. I have 

 a pair taken in copula, and find the sexes differ considerably. 

 Tolmerus annulipes Macq. 



What has been determined as this species was taken in heavy timber 

 early in July. 



Family Dolichopodid^. 

 Fsilopodinus sipho Say. 



Abundant in the timber, where it may be seen disporting itself in the 

 sunlight upon the tops of the weeds. Occurs from the last of May 

 till the last of June. 

 Diaphorus leucostomus Loew. 



One of my notes says: Apparently lapping dew on the leaves of box- 

 elder. May 23. Also taken in sweepings on the grass and weeds in 

 the pasture on the prairie June 24. 

 Dolichopus scoparius Loew. 



I have but one specimen of this species in my collection, which was taken 

 in heavy timber May 17, 1898. 



