ART. 8 CHIGGEE MITES OF THE NEW WORLD EWING 5 



Genus LEEUWENHOEKIA Oudemans 



1911. LeeuicenJwekia Oudemans, Ent. Ber., vol. 3, no. 58, p. 137; 1912, Zool. 

 Jahrb., Suppl. 14, Heft 1, p 74. 



LEEUWENHOEKIA VERDUNI (Oudemans) 



1910. Heterothromhidium verduni Oudemans, Ent. Ber., vol. 3, no. 54, p. 88. 



1911. Leeuicenhoekia verduni Oudemans, Ent. Ber. vol. 3, no. 58, p. 138; 1912. 

 Zool. Jahrb., Supp. 14, Heft 1, p. 74, fig. R. 



Type host. — Opossum {Didelphis opossum). 

 Type locality, — South Brazil. 



Genus NEOSCHONGASTIA Ewing 



1929. Neoschongastia Ewing, Manual of external parasites, p. 187. 



Species of Neoschongastia differ from those of Schongastia in 

 being without the dorsal row of teeth on each chelicera. A single dor- 

 sal tooth is usually present. 



NEOSCHONGASTIA AMERICANA (Hirst) 



1921. Schongastia americana Hiest, Ann. Mag. Nat. Hist., ser. 9, vol. 7, p. 37; 

 1922, Brit. Mus. Econ. Ser. no. 13, p. 78, fig. 45. 



Type host. — Domestic fowl. 

 Type locality. — Dallas, Tex. 



This species is a serious pest of chickens in the southern part of the 

 United States. 



NEOSCHONGASTIA CALIFORNICA (Ewing) 



1925. Schongastia californica Ewing, Amer. Journ. Trop. Med., vol. 5, p. 262. 



Type host. — A ground squirrel. 

 Type locality. — Topaz, Calif. 



NEOSCHONGASTIA PEROMYSCI (Ewing) 



1929. Schongastia peromysci Ewing, Ent. News, vol. 40, p. 296. 



Type host. — White-footed mouse {Pe?'omysctis leucopus novehoi^a- 

 censis). 

 Type locality. — Sturbridge, Mass. 



NEOSCHONGASTIA SCIURICOLA (Ewing) 



1925. Schongastia sciurlcola Ewing, Amer. Journ. Trop. Med., vol. 5, p. 261. 



Type host. — Red squirrel {Sciuims hudsonicus richardsonii) . 

 Type locality. — Florence, Mont. 



