CHALCIDOIDEA BRED FROM GLOSSINA MORSITANS. 



393 



125 g. Pupa was operated on by the Chalcid on 26. vi., and the offspring, numbering 



twenty- three, came out through two holes on 4.viii. 



2 cJ, 20 o (39 days). 

 125 h. Pupa operated on by the Chalcid on 2.vii, and the offspring, numbering 



twenty-one, emerged on G.viii. 



4 (J, 17 $ (35 days). 

 Of the specimens received the males are just over 7 per cent, of the whole. The 

 average length of the life-cycle from Qgg to imago would appear to be five weeks. 



In these Nyasaland S. glossinae the coloration is richer than in the type, the pedicel 

 and funicular joints being dark and the club as a rule entirely pale. 



a 



Fig . 9. Puparia of Glossina showing holes of emergence of : 

 a, Syntomosjphyrum glossinae, Wtst. ; h, Stomatoceras micanSy 



Wtst. 



Emergence of parasites (fig. 9). The aperture made by Syntomosjphyrum is small 

 and circular. In six out of eleven puparia examined, the entire brood has used the 

 same hole. In another, two holes, one anterior and one posterior, have been pierced ; 

 in another, two holes approximated, forming an 8-shaped aperture. In the rest the 

 original hole has been enlarged and has become irregular, Syntomosjphyrum emerges 

 indifferently at any point on the puparium. 



Stomatoceras spp. apparently prefer an exit gnawed posteriorly. In four out of five 

 puparia examined the hole is in this position. The aperture is large, very irregular, 

 without any distinctive feature. That of Eujpelminus differs only in being smaller. 



(0221) 



