LIST OF DIPTERA. 1051 



Calobata albitarsis, Wied. Zool. Mag. iii. 19, 26. Auss. Zweif. ii. 



544, 22. 

 a. Port Essington. From Mr. Gould's collection. 



Calobata albimana, Macq. Dipt. Exot. ii. 3, 245, 3, pi. 33,/. 3. 



a. Bengal. 



b. Ohio. Presented by the Entomological Club. 



c. Georgia. From Mr. Abbot's collection. 



d. ? 



Calobata indica. Nerius indicus, Desv. Essai Myod. 737, 4. 



Calobata tarsata, Wied. Auss. Zweif. ii. 541, 18. Macq. Dipt. 

 Exot. ii. 3, 245, 4. 



Calobata robusta, n. s., mas. Cyanea cano tecta, capite fuho, ab- 

 dominis apice subtus suturisque ferrugineis, palpis piceis, an ten- 

 nis ferrugineis, pedibus piceis, femoribus anticis ferrugineis 

 apice piceis, femoribus poster ioribus apice flaw cinctis, femoribus 

 posticis basi tarsisque anticis flavis, tibiis posterioribus fulvis, 

 alis subcinereis fusco variis. 



Body blue, covered with a hoary bloom : head and chest beset 

 with very few black bristles : head tawny, adorned with white lus- 

 tre, bright blue on the crown, with the exception of a velvet-like 

 stripe, which is ferruginous behind and black in front : sides of the 

 face without bristles ; epistoma blue, not prominent : eyes brassy 

 red, convex ; the facets of moderate and equal size : sucker pitchy, 

 blue beneath, clothed with tawny hairs ; palpi pitchy, beset with 

 black bristles : feelers ferruginous, a little shorter than the face ; 

 second joint beset with a few short black bristles ; third joint linear, 

 rounded at the tip, full four times the length of the second ; bristle 

 black, slender, bare, tawny at the base, more than twice the length 

 of the third joint: abdomen much narrower than the chest and 

 nearly twice its length ; sutures of the segments and under side at 

 the tip ferruginous : fore legs clothed with black down ; fore thighs 

 ferruginous, with pitchy tips ; fore shanks pitchy ; fore feet pale 

 yellow, clothed with whitish down, brown at the base on the under 

 side, where they are clothed with short black hairs ; four hinder 

 thighs pitchy, adorned with a pale yellow band near the tip ; four 

 hinder shanks dark tawny ; hind thighs pale yellow at the base ; 

 claws black : wings slightly gray, adorned with a large irregular 

 brown spot, which is included between the longitudinal veins and 

 the cross-veins ; two small paler brown spots near the tips, which 



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