LIST OF DIPTERA. 121 



Bibio albipennis, Wied. Auss. Zweif. i. 80, 7. Macq. Dipt. Exot. 

 i. 1, 88, 5. 



a. New York. Presented by the Entomological Club. 



b. New York. Presented by E. Doubleday, Esq. 



Bibio xanthopus, Wied. Auss. Zweif. i. 80, 5. Macq. Dipt. Exot. 



i. 1, 88,4. 

 a. Nova Scotia. From Lieut. Eedman's collection. 



Bibio melanogaster, Wied. Dipt. Exot. i. 35, 1. Auss. Zweif. i. 



79,3. 

 a. South Africa. Presented by Dr. Smith. 



Bibio bicolor, n. s. fern. Nigra, thorace fulvo, antennis pedibusque 

 nigris, alis fuscis. 



Body black : chest and breast orange: feelers and legs black : 

 wings brown, darker brown along the fore border, which has a pi- 

 ceous brand near its tip ; veins brown ; poisers piceous. Length of 

 the body 2| lines ; of the wings 6 lines. 



a. East Indies. From Archdeacon Clerk's collection. 



Bibio substituta, n. s., fem. Lutea, capite piceo, antennis pedibus- 

 que nigris, coxis luteis, alis nigro-fuscis. 



Body orange: head piceous: feelers and eyes black: legs 

 black; hips orange: wings dark brown; brands indistinct; fore 

 border veins brown, the other veins tawny; poisers orange. Length 

 of the body 3 lines ; of the wings 7 lines. 



a. New Holland. Presented by the Earl of Derby. 



Bibio nigrostigma, n.s., mas. et fem. Nigra, fem. thorace rufo 

 nigro bimaculato, antennis pedibusque nigris, fem. coxis femori- 

 busqne rufis, alis fuscis. 



Male. — Body black, shining, thinly clothed with black hairs : 

 feelers black : eyes dark red : legs black : wings clear brown ; brands, 

 fore borders and adjoining veins black ; the other veins tawny ; 

 poisers dull tawny, with piceous knobs. Fem. — Chest red, with a 

 black lobe on each side in front: hips and thighs red. Length of 

 the body 3 — 3J lines ; of the wings 7 — 8 lines. 



a. New Zealand. Presented by Dr. A. Sinclair. 



Bibio humeralis, n.s. Niger, lateribus fulvescentibus, pedibns rufis, 

 femorum tibiarum tarsorumque apicibus nigris, alis subfuscis. 



Body black, shining, clothed with short tawny hairs: feelers 

 black : sides of the chest lawny in front : sides of the abdominal 



M 



