of the Familt/ TahAiildad. 177 



lateral margins of second, fifth, and sixth segments, which 

 also appear on the underside, becoming a faint band on the 

 second segment. Legs black ; underside of tarsi covered with 

 orange pubescence, extending to the tibia on the anterior 

 legs. Wings hyaline, faintly yellow on the fore border, 

 brown at base, no appendix. Length 16, proboscis 13 millim. 

 Hab. Para {Wallace and Bates). 



Erephrosis fulvitib{alif<, ? , sp. n. {PI. I. fig. 11.) 



Brown. Antennai reddish brown. Palpi black, long and 

 slender; second joint equal in length to the first, broader at 

 base, tapering to a point. Face with upper part covered with 

 hoary pubescence. Beard white. Tliorax chestnut-brown 

 with some hoary pubescence, white hairs at base of wings. 

 Abdomen shining ; a tuft of white hairs on the lateral margins 

 of second, fifth, and sixth segments, on the underside the white 

 hairs become a faint band on the second segment. Legs 

 brown ; the tibia} and the first joints of tarsi yellow, tlie 

 posterior tibiae and the tarsi are darker in colour. Wings 

 hyaline, brown at base and on fore border, cross-veins slightly 

 shadowed. Length 15, proboscis 8 millim. 



Hab. Brazil {i\lornay). 



Erephrosis depressa, Macq., Dipt. Exot. i. p. 107 (1838) ; 

 I. c. Suppl. iv. p. 25 (1850) ; Walker, List Dipt. pt. v. 

 Suppl. 1, p. 126 (1854) ; Blanchard, Hist. fis. y polit. 

 Chili, vii. p. 388 (1854) ; Schiner, Reise Novara, p. 120 

 (1866) ; Verb, zool.-bot. Gesell. Wien, xv. p. 712 (1865). 



Pangonia crocata, Jasnnicke, Ab. Senck. Gesell. vi. p. 330 (1868) ; van 

 der Wulp, Tijd. Ent. xxiv. (2) p. 156 (1881). 



Wulp says crocata is identical with this species. Wings 

 with first posterior cell closed or nearly so ; in one specimen 

 it is open on the one wing and closed on the other. Wulp and 

 Macquart both mention this discrepancy. 



Hab. Valdivia, Chili [Gay) ; East Chili [Darwin). 



Erephrosis rufo-aurea, Philippi, Verb, zool.-bot. Gesell. 

 Wien, XV. p. 708 (1865). 



One male and one female. 

 Hah. Chili. 



Erephrosis sorbens, Wiedem., Auss. zweifl. Ins. i. p. 92 

 (1828). 



The var. mentioned by Walker in List Dipt. pt. v. 

 Suppl. 1, p. 323 (1854), is not to be identified. 

 Ann. d; Mag. N. Hist. Ser. 7. Vol. v. 12 



