102 ENTOMOLOGY FOR MEDICAL OFFICERS 



Duttonia, Newstead. Head covered with squames except for some 

 sickles behind and a row round the eyes, and numerous darts ; scutellum 

 with squames, the lateral lobes small. Male palpi long, i species ; 

 Africa. 



Carrollia, Lutz. Head covered with squames except for a few sickles 

 in the middle line behind and numerous darts ; scutellum with squames 

 on middle lobe only. Male palpi as long as proboscis, i species ; 

 Brazil. 



Po-pea, Ludlow. Head covered with squames except for a median 

 line of sickles and the usual darts ; scutellum with squames in the middle 

 of each lobe only ; most of the abdominal segments with median ventral 

 tufts of long scales. Male palpi long, i species ; Philippine Islands. 



? Rhachinotomyia, Theobald. No scales other than overlapping 

 squames on the head and scutellum. Female palpi short, i species ; 

 Ceylon. The single specimen known has a long lop-sided process 

 at the after end of the thorax, but whether this is a true chitinised 

 appendix or not can only be determined by treatment with caustic 

 potash. Male unknown. 



Hcemagogus, Williston (including Gaulteria, Lutz). Head and 

 scutellum covered with squames ; scutum with elliptical squames. Male 

 palpi short. Brilliantly metallic. 4 or 5 species ; South America and 

 West Indies. 



Cacomyia, Coquillett. Differs from Hamagogus in having the male 

 palpi about half the length of the proboscis. 2 species ; South America 

 and West Indies. 



Ficalbia, Theobald. Head and scutellum covered with squames, 

 those of the scutellum small ; head also with a few darts, posteriorly. 

 Male palpi short. 4 species ; Africa, India, and Ceylon. 



Squamomyia, Theobald. Head and scutellum covered with squames, 

 also some darts on the head. Clypeus densely scaled. Spindle-shaped 

 scales on scutum. Male palpi short, i species ; Burma. 



Leptosomatomyia, Theobald. Head covered with squames except for 

 some sickles in the middle line and round the eyes, and some darts ; 

 scutellum with squames on the middle lobe only. Scutum with sickles. 

 In the male the palpi are very short, and the abdomen is very long and 

 slender, i species ; New Guinea. 



3. ^DES Series. 



jEdes, Meigen. Head covered with squames, but some sickles are 

 present in the middle line and darts also. Scutellum with sickles only. 

 Palpi very short in both sexes. Numerous species ; Europe, North 

 America, India. 



MicrcEdes, Coquillet. Differs from jE.des in the male palpi, which 

 are about a third the length of the proboscis, i species ; West Indies. 



Verrallina, Theobald. Head covered entirely with squames, 

 Scutellum entirely with sickles. Male unknown. 4 species ; Brazil and 

 West Indies, Africa, Malay Peninsula. 



