58 R. NEWSTEAD—THE PAPATACI FLIES (PHLEBOTOMUS) 
Antennae (fig. 2) very long and slender, and in all of the Maltese species 
consisting of 16 segments; the first and second segments forming the scape are 
short and stout, the second one being somewhat spheroid in shape ; the third is 
much the longest and of uniform width throughout ; the remaining segments 
are gradually swollen proximally, especially the terminal ones; all are 
Fig. 2—Antenna of Phlebotomus papatasii. 
clothed with hairs; those arising from the swollen portions being much the 
longest and considerably longer than the individual segment to which they are 
attached. In all of the Maltese species there are also present on several of the 
segments, and in both sexes, a pair of’ relatively large yeniculated spines (fig. 2). 
These curious appendages are rendered practically invisible when the segment to 
