DIPTERA 19 



(4) Pipunculits, sp. 



A male and female from Lanai appear quite distinct from any of the other species, 

 but as they are both headless the description is better postponed until perfect examples 

 are obtained. 



Fam. SYRPHIDAE. 



VoLUCELLA Geoffroy. 



( I ) I'olucclla obcsa Fabricius. 



Syrplins obesus Fab., Syst. Ent. 763 (1775). 



Hab. Kauai, one male, Waimea Mts., May 1S94; four females, Lihue, July 

 1896. 



Eristalis Latreille. 

 (i) Eristalis tcnax Linnaeus. 



Musca tenax Linn., Faun. Suec. ed. 2, p. 444, n. 1799 (1761). 



Hab. Hawaii, two males and three females, Kona, 4000 ft., July and August 

 1892. This species is also recorded from Hawaii by L. O. Howard (Proc. Ent. Soc. 

 Washington, vol. iv. no. 4, p. 490, July 1901). 



SvRiTTA St Fargeau and Serville. 



(i) Syritta occaiiica Macquart. 



Sy7-itta oceanica Macquart, Dipteres Exot. Suppl. V. p. 92, n. 6 (1855). 



Hab. Hawaii, four specimens are recorded by L. O. Howard (Proc. Ent. Soc. 

 Washington, vol. iv. no 4, July 1901). 



Xanthogramma Schiner. 

 (1) Xantliograninia grandiLornis Macquart. 



Syrphus grandiconiis Macquart, Dipteres Exot. tom. 11. pt. 2, p. 96, no. 16, tab. xvi. 

 %• 7 (1842). 



Hab. Hawaii, two males, Kona, 4000 — 6000 ft., August and September 1892. — 

 Oahu, two males, Kaala Mts., 1000 — 2000 ft., March 1892 ; two males and one female. 



