INVESTIGATIONS ON" THE MUTILLID WASPS 127 



Mutilla aegina Cresson, Proc, Ent. Soc. Phila., vol. 4. p. 435, 1865, fe- 

 male.— Blake, Trans. Amer. Ent. Soc, vol. 4, p. 73, 1872, female ; Trans. 

 Amer. Ent. Soc, vol. 7, p. 244, 1879, female.— Dalle Toebe, Cat. Hymen., 

 vol. 8, p. 6, 1897, female. — Fox, Trans. Amer. Ent. Soc, vol. 25, p. 238, 

 1899, female.— Melandeb, Trans. Amer. Ent. Soc, vol. 29. p. 297, 1903, 

 female, pi. 4, fig. 13. 



Mutilla (Sphaerophthalma) aegina Blake, Trans. Amer. Ent. Soc, vol. 3, 

 p. 235, 1871, female. 



Mutilla (Sphaerophthalma) bioculata Blake, Trans. Amer. Ent. Soc, vol. 

 3, p. 236, 1871, male. 



Sphaerophthalma aegina Blake, Trans. Amer. Ent. Soc, vol. 13, p. 221, 

 1886, female. 



Sphaerophthalma biociilata Blake, Trans. Amer. Ent. Soc, vol. 13, p. 224, 

 1886. male. 



Ephuta (Ephuta) aegina Ai^Dut, Gen. Ins., vol. 1, fasc 11, p. 57, 1903, 

 female. 



Ephuta (Ephuta) Moculata Andre, Gen. Ins., vol. 1, fasc. 11, p. 58, 1903, 

 male. 



Mutilla chlamydata Melander, Trans. Amer. Ent. Soc, vol. 29, p. 299, 1903, 

 female. 



Sphaerophthalma chlamydata Hart, Bull. 111. Lab. Nat. Hist., vol. 7, pp. 

 254, 266, 1907, female. 



Dasymutilla (Dasymutilla) chlanvydata BRAOLEnr, Trans. Amer. Ent. Soc, 

 vol. 42, p. 331, 1916, female. 



Dasymutilla Moculata Washburn, 17tft Kept. State Entomologist of Min- 

 nesota, p. 209, 1918, fig. 97, male.— Mickel, 19th Report State Entomolo- 

 gist of Minnesota, p. 103. 1923, male; Ent. News. vol. 35, pp. 236-242, 

 1924, male, female. — Chapman, Mickel, Parker, Miller, and Kelley, 

 Ecology, vol. 7, pp. 420, 421, 423, 426, 1926, male, female. 



Dasymutilla ferrugata Washbthin, 17th Kept. State Entomologist of Minne- 

 sota, p. 209, 1918, fig. 98, female (not Fabricius). 



Dasymutilla chlamydata Mickel, 19th Report State Entomologist of Minne- 

 sota, p. 103, 1923, female. 



Type. — Male, Colorado Territorj^, in collection of American Ento- 

 molo<iical Society of Philadelphia. The type of aegina is in the 

 collection of the American Entomological Society of Philadelphia; 

 the type of chlamydata is in the collection of Washington State Col- 

 lege, Ptdlman, Washington. 



Distrihution. — Illinois, Mississippi, Louisiana, Texas, Oklahoma, 

 Kansas, Nebraska, Iowa, Minnesota, South Dakota, North Dakota, 

 Montana, Manitoba, Alberta, Washington, Wyoming, Colorado, and 

 New Mexico. (Fig. 11.) 



SPECIMENS EXAMINED 



Alberta, Canada: 3 females, 3 males. Medicine Hat, July 17, 1917 (Sladen) ; 

 5 females, Medicine Hat, July 23, 1919 (Sladen) ; 2 males, 9 females. 

 Medicine Hat, August 20, 1916 (Sladen) ; female, Lethbridge, August 9, 

 1921 (H. L. Seamans) ; female, Lethbridge, August 18, 1922 (H. L. Sea- 

 mans) ; 2 females, Lethbridge, August 22, 1923 (H. L. Seamans) ; female, 

 Lethbridge, September (J. Harms) ; male, July 15, 1922 (H. L. Seamans). 



