8 PROCEEDINGS OF THE NATIONAL MUSEUM vol.80 



TROMBICULA GUINEENSE (Bniyant and Joyeux) 



1913. Microtrombidium guineense Brtjyant and Joyeux, Bull. Soc. Path. Exot., 

 vol. 6, no. 3, I). 202, figs. 1-A. 



Type hosts. — Domestic fowl and two monkeys {G ercopithecus t'uber 

 and C. callitrlchus). 



Type locality. — French Guiana. 



May be a synonym of Acanis hatafas Linnaeus. 



TROMBICULA HARPERI Ewing 



1928. TromUoula harperi Ewing, Proc. Ent. Sec. Washington, vol. 30, p. 79. 

 Type host. — ^Woodland jumping mouse {N apaeozapus insigyiis). 

 Type locality. — Heart Lake, Essex County, N. Y. 



TROMBICULA HELLERI (Oudemans) 



1911. Microthrom'bUlrum helleri Oudemans, Ent. Ber., vol. 30, p. 120; 1912, 

 Zool. Jahrb., Snppl. 14, Heft 1, p. 15, fig. O. 



Type host. — A beetle {Passalus sp.). 



Type locality. — Surinam. 



According to Oudemans, this species is a synonym of the Acarus 

 {Tromhicula) hatatus of Linnaeus. Beetles probably are not true 

 hosts of this mite. 



TROMBICULA INSULARIS Ewing 



1925. Trombicula insularis Ewing, Amer. Jouru. Trop. Med., vol. 5, p. 260. 



Type host. — A lizard {AnMis cyhotes). 

 Type locality. — Santo Domingo. 



TROMBICULA IRRITANS (Riley) 



1873. Leptus iiritans Rilet, Amer. Nat., vol. 7, p. 16. 



1877. Tetranyohus tlalsahuate Murray, Economic entomology, Aptera, p. 113. 



1886. Leptus irritans Osborn and Underwood, Can. Ent., vol. 18, p. 6. — 1897, 



Lugger, 2d Ann. Rep. Ent. Minnesota Exp. Sta., p. 82. 

 1892. TroniMdium tlaJzahnatl Dug^s, El Estudio, vol. 4, no. 6, p. 198, 1 pi. 



1910. M icrothrombidium alfredduffdsi Oudemans. Ent. Ber., vol. 3, no. 54, p. 84. 



1911. Microthronihidium tlalzahuatl Oudemans, Ent. Ber., vol. 3, no. 57, pp. 120 

 and 121 ; 1912, Zool. Jahrb., Suppl. 14, Heft 1, p. 18, fig. D.— 1918, Ewinq 

 and Haktsell, Journ. Econ. Ent., vol. 11, p. 261, fig. 10c. . 



1918. " Chigger mite " How.vru, 17th Rep. State Ent. Minnesota, p. 130, pi. 11. 

 1921. Trombicula cinnabaris Ewing, Ann. Ent. Soc. Amer., vol. 13, p. 387, fig. 3. 

 1921. Leptus (Trombicula?) similis Hirst, Ann. Mag. Nat. Hist., ser. 9, vol. 7, 



p. 37; 1922, Brit. Mns. Econ. Ser. no. 13, p. 78, fig. 44. 

 1923. Trombiciila tlalzahuatl Ewing, Journ. Agr. Res., vol. 26, no. 9, p. 401, 

 1925. Trombicula irritans Ewing, Proc. Biol. Soc. Washington, vol. 38, pi. 17, 



fig. 1; 1925, Amer. Journ. Trop. Med., vol. 5, p. 253, fig. 1. 



