2o W. Dwight Pierce 



Notes on Myodites, Trans. Amer. Ent. Soc, VIII, p. 



23- 

 1885. Henshaw, Check List Colcopt N. A. 

 1892. Kirbv, Text-Book of Entomology, 36. 

 1895. Comstock, Manual for Study of Insects, 589. 



1898. Packard, Text-book of Entomology, 688-710. 



1899. Sharp, Cambridge Natural History, VI, 267-75. 



1899. Cockerel), A Nczv Meloid Beetle Parasite on Anthophora, 

 Psyche, VIII, 416-17. 



1902. Pierce, A New Myodites, Can. Ent., XXXIV, 293-94. 



1903. Melander & Brues, Guests and Parasites of the BurrozAug 



Bee Halictus, Biol. Bull. Marine Biol. Lab., V, 2T,. 



Part II. 



THE BIOLOGY OF MYODITES SOLIDAGINIS 



Myodites solidaginis occurs in great abundance near Lincoln, 

 and hence affords an excellent study in the life history of these 

 parasitic beetles. In discussing this problem the following rec- 

 ords and data based on personal observation are placed first. 

 These are followed by the writer's conclusions. 



RECORDS 



Following is a complete list of records of the adults of this 

 species to date : 



Pine Ridge, Neb., July (M. solidaginis var.). 

 Lincoln, July 29, 1903 ; ,S\ missouriensis, single female ; Pierce. 

 West Point, August 3, 1903 ; flying, single female ; Crawford. 

 Lincoln, August 17, 1903; S. canadensis, 12 females, ovipositing; 



Pierce. 

 Lincoln, August 19, 1903; 6". missouriensis, S. canadensis, S. 



rigida, 22 females, ovipositing; Pierce, Swenk. 

 Lincoln, August 21, 1902; Solidago all species, many females 



ovipositing or feeding ; Pierce. 

 Lincoln, August 23, 1903; 1 male in hole of Epinomia triangu- 



lifera Vachal, pygidium of male in cast of hole, 3 males 



172 



