352 Miss G. Ricardo on the Tabaninse 



L. albitorsts, 9, Macq., Dipt. Exot. Siippl. 4, p. 3G (1850); Wulp, TijiV 

 Ent. xxiv. p. 101 (1881). [L. jMura, $, >Villiston, Kans. Univ. 

 Quart, iii. p. 192 (1895) ; id. Biol. Ceutr.-Aui., Dipt. i. Siippl. p. 202 

 (1901).] — Buenos Avres, raraguaj. 



L. recta, $, Loew, Berlin, ent. Zeit. xiii. p. (1869); Ost. Sack. Cat. 

 Dipt. N. Anier. p. 55 (1878) ; id. Biol. Centr.-Am., Dipt. i. p. 57 

 (1886). [Jladrns lepidotiis, J, Bullardi (nee Wiedeui.), Ditt. Mesa. 

 i. p. 75 (1850) ; Loew, /. c] — Central America. 



1. Antennae ferruginous, black at the apex. 



Forehead wide albitarsis^ $ , Macq. 



Auteunoe wholly ferruginous. Forehead 

 not so wide 2. 



2. The space between the antennae and the 



frontal callus is brownish hpidotn, S ? , Wiedem. 



The space between the antennae and the 

 frontal callus is yellowish recta, $ , Loew. 



Williston does not think that the distinction given by 

 Loew for L. recta, as above^ is valid, and he reunites it to 

 L. lepidota. 



Lepidoselaga lepidota, ? , Wiedem. 



Two females from Para, 49. 1 (Bates Coll.) ; one female 

 from Honduras (Miller Coll.), 283; two females, voyage 

 H.M.S. 'Herald/ Panama, 60. 45; one female from Con- 

 nany, Guiana, Oct. 23, 1895 {Goeldi), 96. 238 ; six females 

 from jMontalcgre, on S.S. ' Faraday,'' 27. 1. 96 {Austen) ; one 

 female from "\V. end of Parana de Bugassu, 15. 1. 96 

 (Austen) ; one female from near Breves, S.S. * Faraday/ 

 14. 1. 96 ; one female from Brazil, 99. 195 {Piffard) ; eleven 

 females from Brazil, 24.4. 1901 (Durham), 1901. 232; five 

 females from Tylor-Towusend Coll.; five females from below 

 Itacoatura, 11. Amazons, S.S. 'Jerome^ (Tylor-Townsend 

 Coll.), purchased from E. Brunetti, 1903. 16.' 



There is a note attached to one of the specimens by Bates 

 as follows : — " The Motuca of the Indians ; it is the scourge 

 of tlie Upper Amazon. H. Bates, 1859." 



Tills is the insect mentioned by Bates in his ' Naturalist 

 on the River Amazons/ chap. vii. p. 681 : — " The mouth of 

 the cliannel lies about twenty-five miles from Villa Nova; 

 the entrance is only about foity yards broad, but it expands 

 a short distance inland into a large sheet of water. We 

 suffered terribly from insect pests during the twenty-four 



hours we remained here In the daytime the Motuca, 



a much larger and more formidable fly than the mosquito, 

 insisted upon levying his tax of blood. We had been 

 tormeuted by it for many days past, but this place seemed 



