XO PROCEEDINGS OF THE NATIONAL MUSEUM vol.80 



TROMBICULA SPLENDENS Ewing 



1913, Tromhicida splendens Ewing, Bull. Amer. Miis. Nat. Hist., vol. 32, p. 113 

 pi. 7, fig. 5 ; 1921, Ann. Ent. Soc. Amer., vol. 13, p. 386, fig. 2. 



Type host. — None (described from adult). 

 Type locality. — Portage, Wis. 



TROMBICULA TINAMI (Gudemans) 



1910. MicrotJu-onibidium tinami Oudemans, Ent. Ber., vol. 3, no. 54, p. 84; 

 1912, Zool. Jahrb., Suppl. 14, Heft 1, p. 24, fig. E. 



Type host. — ^A tinamou [Crypturus 7ioctivag'us) . 

 Type locality. — Brazil. 



TROMBICULA THOMASI (Oudemans) 



1910. Microthrombidium Uwmasi Oudemans, Ent. Ber., vol. 3, no. 54, p. 84; 

 1912, Zool. Jahrb., Suppl. 14, Heft 1, p. 28, fig. G. 



Type host. — A mouse {Akodon jelsJdi). 

 Type locality. — Central Peru. 



TROMBICULA TROPICA Ewing 



1925. Trombicula irritans var. tropica Ewing, Amer. Journ. Trop. Metl., vol. 5, 

 p. 258. 



Type host. — A lizard (Anadia taeniata). 

 Type locality. — Chama River, Venezuela. 



TROMBICULA WHARTONI Ewing 



1929. TromVicula whartoni Ewing, Ent. News, vol. 40, p. 296. 



Type host. — A bird. 



Type locality. — Summerville, S. C. 



TROMBICULA YORKEI Sambon 



1928. Trombicula yorkei Sambon, Ann. Trop. Med. and Parasit, vol. 22, p. 119, 

 fig. 6. 



Type host. — A tree frog {Hyla i^hra). 



Type locality. — Urucum, Matto Grosso, Brazil. 



DESCRIPTIONS OF NEW GENERA OF TROMBICULINAE 



WALCHIA, new genus 



Palpi rounded laterally; palpal claw trifurcate; chelicerae each 

 with a short chela. Dorsal plate present, as long as broad ; bearing 

 only four setae, exclusive of the pseudostigmatic organs, these setae 

 being a pair of antero-laterals and a pair of postero-laterals. 

 Pseudostigmatic organs clavate and pectinate; eyes either lacking 

 or represented by vestiges of a single pair. Dorsal abdominal 



