26 



C. 8A9AKI. 



Fig 1. 



2,1. 



2/1. £ 



Length 1 1 mm. Pody greyish 

 yellow, marked with blackish lines 

 and bands. Head nearly triangular, 

 silvery white in color. Eyes large, 

 dark reddish brown, lie pretty apart 

 from each other on the crown of head ; 

 simple eyes three, antennœ blackish, 

 short and stout, consists of three 

 segments, — the 1st and 2nd segmens 



smaller, the 3rd longer, somewhat depressed, and near the proximal end of the latter 

 is borne a simple long bristle. Maxillary palp dull reddish brown. The dorsal face 

 of the thorax is marked with four blackish longitudinal lines, between which lies a 

 row of black stout hairs ; scutellum nearly hemispheric d, greyish brown, and clothed 

 with a few stout hairs. Wings light greyish, transparent ; veins blnckish ; the first 

 posterior cell opens at the margin of the wing ; squama greyish milky white. Legs 

 black, of a moderate size. Abdomen nearly spindle shaped, densely clothed with short 

 greyish hairs; the posterior mnrgin of each abdominal segment is marked with 

 blackish transverse band. Along the dorsal line of the abdomen are a few 

 blackish stout hairs, while its posterior end is providel with a number of them. 

 Male fly (fig. 1, b). 



Length 12 mm. The coloration and form of the body are nearly similar with 

 the other sex, but the head bears greyish yellow color ; the eyes lie closely on the 

 crown of head. The abdomen somewhat longer and pointed at its free end. 



Larva (alcoholic specimen). 



Fig- 2 - The immature larva (fig. 2) which is taken out of the body of silk- 

 worms is about 9 mm. in length. The body is light yellowish white, cylin- 

 drical in form, the pointed anterior end is provided with blackish mouth 

 parts, while the posterior broader end is furnished with two oval chitinous 

 plates, on each plate there lie three elongated oval protuberances marked 

 with transverse striations lying vary clo-:e side by side. In the space sorrounded by 

 these elongated oval protuberances, lies a dark round area, where open two irregular 

 slit-like breathing pores. The anterior half of each segment of the larva is furnished 

 with minute spines arranged in several transverse rows. 



It is usually believed by the Chinese, that the parasitic fly, entering (he breeding 



