8o ENTOMOLOGICAL NEWS. [May, 



Rhodites roscefolus, Ckl. (the flies have since emerged), all from Mr. 

 Cockerell, West Cliff, Colorado. Pimpla grapho/iihee Cress., presented 

 by Dr. John Hamilton. 



Entomological Society of Washington. — March 6, 1890. Mr. 

 Schwarz exhibited and remarked upon the following species of Coleop- 

 tera, which are new to the fauna of North America: Lathridius {Cojtifio- 

 mus) nodi/er Westwood; Actinopteryx fucicola MWhe^ri; Arrhipis LatieH 

 Guerin and Probathis umbratilis Duval. He also showed specimens of 

 Teninochila Hubbardi L^veille^, and Teretriosoma Hornii Lewis, re- 

 cently described in European journals from the semi-tropical region of 

 Florida. He finally drew attention to Dr. Horn's recent Revision of the 

 North American species of Ochthebius, and spQke of the geographical 

 distribution of these aquatic beetles. Discussion followed by various 

 members. 



The Secretary presented a note on a Dipterous larva infesting the seeds 

 of Xanthium. He had found that these larvae at Manhattan, Kansas and 

 during the past winter in the District. Drawings were exhibited illustra- 

 ting the larva and the nature of its work. 



The Secretary also presented a short note on the food-habits of Psilop- 

 tera drummondi. 



These notes were discussed by Schwarz, Townsend and Howard. 



Mr. Townsend read a paper entitled, " Notes on Acridiidse in Michigan," 

 which related more particularly to dates of appearance and habits. 



C. L. Marlatt, 



Recording Secretary. 



ERRATA. 



Page 56, line 10 from top, for exista read exusta. 



58, " 6 from bottom, for Sagmache, read Sagnache. 



60, " 5 from top, for Amstat, read Austat. 



61, " 15 from top, for Dye tides read Dyctidea. 

 61, " 18 from top, for Tilicen read Tibicen. 

 64, " d {rova \.o^, iox fusciformatis x^z.6. fusiformans. 

 64, " 8 from top, for Cemthophilus read Centhophilus. 



Entomological News for April was mailed March 25, 1890. 



